2004 Hummer H2 Owners Manual

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(cid:127) make it available for research where appropriate conﬁdentiality is to be maintained and need is shown, or share summary data which is not tied to a speciﬁc vehicle with non-GM organizations for research purposes. Others, such as law enforcement, may have access to the special equipment that can read the information if they have access to the vehicle or SDM. If your vehicle is equipped with OnStar®, please check the OnStar® subscription service agreement or manual for information on its operations and data collection. 7-9 (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) Reporting Safety Defects Reporting Safety Defects to the United States Government If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA), in addition to notifying General Motors. If NHTSA receives similar complaints, it may open an investigation, and if it ﬁnds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer or General Motors. To contact NHTSA, you may either call the Auto Safety Hotline toll-free at 1-800-424-9393 (or 366-0123 in the Washington, D.C. area) or write to: NHTSA, U.S. Department of Transportation Washington, D.C. 20590 You can also obtain other information about motor vehicle safety from the hotline. 7-10 Reporting Safety Defects to the Canadian Government If you live in Canada, and you believe that your vehicle has a safety defect, you should immediately notify Transport Canada, in addition to notifying General Motors of Canada Limited. You may write to: Transport Canada 330 Sparks Street Tower C Ottawa, Ontario K1A 0N5 Reporting Safety Defects to General Motors In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you’ll notify us. Please call us at 1-866-HUMMER6 (486-6376), or write: HUMMER Customer Assistance Center P.O. Box 33177 Detroit, MI 48232-5177 In Canada, please call us at 1-800-263-3777 (English) or 1-800-263-7854 (French). Or, write: General Motors of Canada Limited Customer Communication Centre 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Service Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. RETAIL SELL PRICE: $120.00 Transmission, Transaxle, Transfer Case Unit Repair Manual This manual provides information on unit repair service procedures, adjustments, and speciﬁcations for GM transmissions, transaxles, and transfer cases. RETAIL SELL PRICE: $50.00 Service Bulletins Service Bulletins give technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis and service of your vehicle. In Canada, information pertaining to Product Service Bulletins can be obtained by contacting your General Motors dealer or by calling 1-800-GM-DRIVE (1-800-463-7483). Owner’s Information Owner publications are written speciﬁcally for owners and intended to provide basic operational information about the vehicle. The owner’s manual will include the Maintenance Schedule for all models. In-Portfolio: Includes a Portfolio, Owner’s Manual, and Warranty Booklet. RETAIL SELL PRICE: $35.00 Without Portfolio: Owner’s Manual only. RETAIL SELL PRICE: $25.00 7-11 Current and Past Model Order Forms Service Publications are available for current and past model GM vehicles. To request an order form, please specify year and model name of the vehicle. ORDER TOLL FREE: 1-800-551-4123 Monday-Friday 8:00 AM - 6:00 PM Eastern Time For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. on the World Wide Web at: www.helminc.com Or you can write to: Helm, Incorporated P. O. Box 07130 Detroit, MI 48207 Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery. Note to Canadian Customers: All listed prices are quoted in U.S. funds. Canadian residents are to make checks payable in U.S. funds. 7-12 A Accessory Inﬂator ........................................... 5-76 Accessory Power Outlets ................................. 3-18 Adding Equipment to Your Air Bag-Equipped Vehicle ....................................................... 1-73 Adding Washer Fluid ....................................... 5-37 Additional Program Information ........................... 7-8 Additives, Fuel ................................................. 5-6 Add-On Electrical Equipment ........................... 5-101 Add-On Equipment .......................................... 4-72 Adjusting the Speakers (Balance/Fade) ...... 3-65, 3-77 After Off-Road Driving ..................................... 4-41 Air Bag Off Light ..................................................... 3-30 Readiness Light .......................................... 3-28 Air Bag System .............................................. 1-61 Adding Equipment to Your Air Bag-Equipped Vehicle ................................................... 1-73 Air Bag Off Switch ....................................... 1-68 How Does an Air Bag Restrain? .................... 1-65 Servicing Your Air Bag-Equipped Vehicle ......... 1-72 What Makes an Air Bag Inﬂate? .................... 1-65 What Will You See After an Air Bag Inﬂates? ...... 1-66 When Should an Air Bag Inﬂate? ................... 1-65 Where Are the Air Bags? .............................. 1-63 Air Cleaner/Filter, Engine ................................. 5-19 Air Conditioning .............................................. 3-23 Air Suspension ............................................... 4-74 Airbag Sensing and Diagnostic Module (SDM) ...... 7-9 All-Wheel Drive ............................................... 5-48 All-Wheel Drive (AWD) System ......................... 2-25 AM ............................................................... 3-90 Antenna, Fixed Mast ....................................... 3-92 Anti-lock Brake System (ABS) ............................ 4-7 Anti-Lock Brake, System Warning Light .............. 3-34 Appearance Care ............................................ 5-92 Care of Safety Belts .................................... 5-95 Chemical Paint Spotting ............................... 5-99 Cleaning the Inside of Your Vehicle ................ 5-93 Cleaning the Outside of Your Vehicle .............. 5-95 Finish Damage ............................................ 5-99 Sheet Metal Damage ................................... 5-98 Underbody Maintenance ............................... 5-99 Vehicle Care/Appearance Materials ............... 5-100 Weatherstrips .............................................. 5-95 Approaching a Hill .......................................... 4-32 Ashtrays ........................................................ 3-18 Audio System(s) ............................................. 3-62 Audio Steering Wheel Controls ...................... 3-89 Care of Your Cassette Tape Player ................ 3-90 Care of Your CD Player ............................... 3-92 Care of Your CDs ........................................ 3-92 Chime Level Adjustment ............................... 3-92 Fixed Mast Antenna ..................................... 3-92 Navigation/Radio System .............................. 3-86 Radio with Cassette and CD ......................... 3-63 Radio with Six-Disc CD ................................ 3-74 Rear Seat Audio (RSA) ................................ 3-87 Setting the Time .......................................... 3-62 Audio System(s) (cont.) Theft-Deterrent Feature ................................ 3-88 Understanding Radio Reception ..................... 3-90 Automatic Climate Control System ..................... 3-19 Automatic Dimming Mirror Operation .................. 2-35 Automatic Headlamp System ............................ 3-14 Automatic Transmission Fluid .......................................................... 5-21 Operation ................................................... 2-22 Backing Up .................................................... 4-82 Battery .......................................................... 5-42 BATTERY NOT CHARGING ............................. 3-57 Battery Replacement ......................................... 2-5 Battery Run-Down Protection ............................ 3-17 Before Leaving on a Long Trip ......................... 4-48 Before You Go Off-Roading .............................. 4-17 Bench Seat, Split (60/40) ................................... 1-8 Brake Parking ...................................................... 2-29 System Warning Light .................................. 3-33 Brake Adjustment ............................................ 5-42 Brake and Throttle Operation Techniques for Off-Road Driving .......................................... 4-27 Brake Fluid .................................................... 5-38 ......................................... 5-42 Brake Pedal Travel Brake Wear ................................................... 5-41 Brakes .......................................................... 5-38 Braking ........................................................... 4-6 Braking in Emergencies ..................................... 4-9 Break-In, New Vehicle ..................................... 2-18 Bulb Replacement ........................................... 5-52 Center High-Mounted Stoplamp (CHMSL) ........ 5-57 Daytime Running Lamps ............................... 5-54 Front Turn Signal and Parking Lamps ............. 5-53 Halogen Bulbs ............................................ 5-52 Headlamps ................................................. 5-52 Replacement Bulbs ...................................... 5-58 Roof Marker Lamps ..................................... 5-55 Sidemarker Lamps ....................................... 5-54 Taillamps .................................................... 5-57 Buying New Tires ........................................... 5-71 California Fuel .................................................. 5-6 Canada – Customer Assistance .......................... 7-4 Canadian Owners ................................................ ii Canadian Roadside Assistance ........................... 7-7 Capacities and Speciﬁcations .......................... 5-111 Carbon Monoxide ................... 4-52, 4-75, 2-13, 2-33 Care of Safety Belts ................................................ 5-95 Your Cassette Tape Player ............................ 3-90 Care of (cont.) Your CD Player ........................................... 3-92 Your CDs ................................................... 3-92 Cargo Area Door Lock Switch ............................ 2-8 Cargo Tie Downs ............................................ 2-49 Cassette Tape Messages ................................. 3-71 CD Adapter Kits ............................................. 3-71 CD Messages ........................................ 3-74, 3-86 Center Console Storage Area ........................... 2-46 Center High-Mounted Stoplamp (CHMSL) ........... 5-57 Center Instrument Panel Fuse Block ................ 5-105 Center Overhead Console ................................ 2-46 Center Roof Marker Lamps .............................. 5-56 Chains, Tire ................................................... 5-75 CHANGE ENGINE OIL .................................... 3-56 Charging System Light .................................... 3-32 Check Engine Light ......................................... 3-38 CHECK OIL LEVEL ......................................... 3-56 CHECK WASHER FLUID ................................. 3-59 Checking Brake Fluid ...................................... 5-39 Checking Coolant ............................................ 5-26 Checking Engine Oil ........................................ 5-14 Checking Things Under the Hood ...................... 5-10 Checking Your Restraint Systems ...................... 1-73 Chemical Paint Spotting ................................... 5-99 Child Restraints Child Restraint Systems ............................... 1-44 Infants and Young Children ........................... 1-40 Lower Anchorages and Top Tethers for Children (LATCH System) .......................... 1-50 Child Restraints (cont.) Older Children ............................................. 1-38 Securing a Child Restraint Designed for the LATCH System ........................................ 1-52 Securing a Child Restraint in a Rear Seat Position .................................................. 1-53 Securing a Child Restraint in the Right Front Seat Position ........................................... 1-55 Top Strap ................................................... 1-48 Top Strap Anchor Location ............................ 1-49 Where to Put the Restraint ........................... 1-47 Chime Level Adjustment .................................. 3-92 Cigarette Lighter ............................................. 3-18 Cleaning Inside of Your Vehicle .................................. 5-93 Outside of Your Vehicle ................................ 5-95 Underbody Maintenance ............................... 5-99 Weatherstrips .............................................. 5-95 Cleaning Aluminum or Chrome-Plated Wheels ..... 5-98 Cleaning Exterior Lamps/Lenses ....................... 5-96 Cleaning Fabric/Carpet .................................... 5-93 Cleaning Glass Surfaces .................................. 5-94 Cleaning Interior Plastic Components ................. 5-94 Cleaning Leather ............................................ 5-93 Cleaning the Mirror ......................................... 2-37 Cleaning the Speaker Covers ........................... 5-94 Cleaning the Top of the Instrument Panel ........... 5-94 Cleaning the Video Screen ............................... 3-92 Cleaning the Windshield, Backglass and Wiper Blades ....................................................... 5-97 Cleaning Tires ................................................ 5-98 Cleaning Vinyl ................................................ 5-93 Cleaning Wood Panels .................................... 5-94 Climate Control System Automatic ................................................... 3-19 Climate Controls Personalization .................... 3-25 Outlet Adjustment ........................................ 3-25 Compass Calibration ....................................... 2-35 Compass Operation ......................................... 2-35 Compass Variance .......................................... 2-36 Content Theft-Deferrent .................................... 2-16 Control of a Vehicle .......................................... 4-6 Coolant Engine Temperature Gage ............................ 3-35 Heater, Engine ............................................ 2-21 Surge Tank Pressure Cap ............................. 5-27 Cooling System .............................................. 5-30 Corner Roof Marker Lamps .............................. 5-55 Crossing Obstacles ......................................... 4-30 Cruise Control .................................................. 3-9 Cruise Control Light ........................................ 3-42 Current and Past Model Order Forms ................ 7-12 Customer Assistance Information Courtesy Transportation .................................. 7-7 Customer Assistance for Text Telephone (TTY) Users ....................................................... 7-4 Customer Assistance Offices ........................... 7-4 Customer Assistance Information (cont.) Customer Satisfaction Procedure ..................... 7-2 GM Mobility Program for Persons with Disabilities ................................................ 7-5 Reporting Safety Defects to General Motors .... 7-10 Reporting Safety Defects to the Canadian Government ............................................ 7-10 Reporting Safety Defects to the United States Government ............................................ 7-10 Roadside Assistance Program ......................... 7-5 Service Publications Ordering Information ........ 7-11 Daytime Running Lamps .................................. 3-15 Defensive Driving ............................................. 4-2 Defogging and Defrosting ................................. 3-24 Delayed Locking ............................................... 2-9 Dinghy Towing ................................................ 4-66 Doing Your Own Service Work ........................... 5-4 Dolly Towing .................................................. 4-66 Dome Lamps ................................................. 3-17 Door Delayed Locking ........................................... 2-9 Locks .......................................................... 2-7 Power Door Locks ......................................... 2-8 Programmable Automatic Door Locks ............... 2-9 Rear Door Security Locks ............................. 2-11 Driver Driving Position, Safety Belt ..................................... 1-22 DRIVER DOOR AJAR ..................................... 3-60 Driver Information Center (DIC) ......................... 3-44 DIC Operation and Displays .......................... 3-44 DIC Warnings and Messages ........................ 3-56 At Night ..................................................... 4-41 City ........................................................... 4-46 Defensive ..................................................... 4-2 Drunken ....................................................... 4-3 Freeway ..................................................... 4-47 Hill and Mountain Roads .............................. 4-50 In Rain and on Wet Roads ........................... 4-43 Off-Road .................................................... 4-17 Winter ........................................................ 4-52 Driving Across an Incline .................................. 4-36 Driving Downhill .............................................. 4-35 Driving in Mud, Sand, Snow or Ice .................... 4-39 Driving in Water .............................................. 4-40 Driving On Grades .......................................... 4-83 Driving on Off-Road Hills ................................. 4-31 Driving on Snow or Ice .................................... 4-52 Driving Through Deep Standing Water ............... 4-45 Driving Through Flowing Water ......................... 4-45 Driving Uphill .................................................. 4-32 Driving with a Trailer ....................................... 4-81 Easy Exit Seat ............................................... 2-53 Electrical System Add-On Equipment ..................................... 5-101 Fuses and Circuit Breakers ......................... 5-102 Power Windows and Other Power Options .... 5-102 Windshield Wiper Fuses ............................. 5-102 Electronically Controlled Air Suspension System .... 4-74 Emissions Inspection and Maintenance Programs ................................................... 3-40 Engine Air Cleaner/Filter ......................................... 5-19 Battery ....................................................... 5-42 Check and Service Engine Soon Light ............ 3-38 Coolant ...................................................... 5-24 Coolant Heater ............................................ 2-21 Coolant Temperature Gage ........................... 3-35 Drive Belt Routing ....................................... 6-15 Engine Compartment Overview ...................... 5-12 Exhaust ..................................................... 2-33 Fan Noise .................................................. 5-35 Oil ............................................................. 5-14 Overheating ................................................ 5-27 Starting ...................................................... 2-20 ENGINE COOLANT HOT ................................. 3-57 Engine Oil Additives ........................................ 5-17 ENGINE OVERHEATED .................................. 3-57 Entering or Exiting the Third Row Seats .............. 1-7 Entry/Exit Lighting ........................................... 3-17 Environmental Concerns .................................. 4-23 Erasing HomeLink® Buttons .............................. 2-45 Event Data Records (EDR) ................................ 7-9 Extender, Safety Belt ....................................... 1-37 Exterior Lamps ............................................... 3-13 Filter Engine Air Cleaner ...................................... 5-19 Finding a Program Type (PTY) Station ....... 3-66, 3-78 Finding a Station .................................... 3-64, 3-75 Finish Care .................................................... 5-96 Finish Damage ............................................... 5-99 First Aid Kit and Tool Kit .................................. 4-59 Fixed Mast Antenna ........................................ 3-92 Flash-to-Pass ................................................... 3-7 Flat Tire ........................................................ 5-78 Flat Tire, Changing ......................................... 5-79 Fluid Automatic Transmission ................................ 5-21 Power Steering ........................................... 5-36 Windshield Washer ...................................... 5-37 FM ............................................................... 3-90 Folding the Seatback ....................................... 1-10 Folding the Seatbacks ....................................... 1-8 Following Distance .......................................... 4-82 Front Axle ...................................................... 5-51 Front Receiver ................................................ 4-60 ............................................................... 5-5 Fuel Additives ...................................................... 5-6 California Fuel .............................................. 5-6 Filling a Portable Fuel Container ..................... 5-9 Filling Your Tank ........................................... 5-7 Fuels in Foreign Countries .............................. 5-7 Gage ......................................................... 3-43 Gasoline Octane ........................................... 5-5 Gasoline Speciﬁcations .................................. 5-5 Low Warning Light ....................................... 3-43 Fuel Information Button .................................... 3-47 FUEL LEVEL LOW ......................................... 3-58 Fuses Fuses and Circuit Breakers ......................... 5-102 Windshield Wiper ....................................... 5-102 Gage Engine Coolant Temperature ......................... 3-35 Fuel .......................................................... 3-43 Oil Pressure ............................................... 3-41 Speedometer .............................................. 3-28 Tachometer ................................................. 3-28 Transmission Temperature ............................. 3-36 Voltmeter Gage ........................................... 3-32 Garage Door Opener ....................................... 2-42 Gasoline Octane ........................................................ 5-5 Speciﬁcations ............................................... 5-5 Gate Operator and Canadian Programming ........ 2-44 Getting Familiar with Off-Road Driving ................ 4-28 Glove Box ..................................................... 2-45 GM Mobility Program for Persons with Disabilities .................................................... 7-5 Hazard Warning Flashers ................................... 3-4 Head Restraints ............................................... 1-6 Headlamp High/Low-Beam Changer .................... 3-7 Headlamps .................................................... 5-52 Bulb Replacement ....................................... 5-52 Daytime Running Lamps ............................... 5-54 Front Turn Signal and Parking Lamps ............. 5-53 Halogen Bulbs ............................................ 5-52 Roof Marker Lamps ..................................... 5-55 Sidemarker Lamps ....................................... 5-54 Heated Seats ................................................... 1-4 Heating ......................................................... 3-24 High Mobility Characteristics ............................. 4-24 Highway Hypnosis ........................................... 4-49 Hill and Mountain Roads .................................. 4-50 Hitches .......................................................... 4-80 HomeLink® Transmitter .................................... 2-42 HomeLink® Transmitter, Programming ................ 2-42 Hood Checking Things Under ................................ 5-10 Release ..................................................... 5-10 Horn ............................................................... 3-5 How to Add Coolant to the Coolant Surge Tank ...... 5-32 How to Add Fluid ............................................ 5-23 How to Check Lubricant ................................... 5-50 How to Check Power Steering Fluid .................. 5-36 How to Use This Manual ...................................... ii How to Wear Safety Belts Properly ................... 1-21 Hydroplaning .................................................. 4-45 If No Steam Is Coming From Your Engine .......... 5-29 If Steam Is Coming From Your Engine ............... 5-28 If the Light is Flashing ..................................... 3-39 If the Light Is On Steady ................................. 3-39 If You Are Caught in a Blizzard ......................... 4-54 If You Are Stuck in Sand, Mud, Ice or Snow ....... 4-56 If You Do Decide To Pull A Trailer ..................... 4-76 Ignition Positions ............................................. 2-19 Illuminated Visor Vanity Mirrors ......................... 2-16 Infants and Young Children, Restraints ............... 1-40 Inﬂation - Tire Pressure ................................... 5-68 Instrument Panel Cluster ....................................................... 3-27 Overview ..................................................... 3-2 Instrument Panel Brightness ............................. 3-16 Instrument Panel Fuse Block .......................... 5-103 Interior Lamps ................................................ 3-16 Jump Starting ................................................. 5-43 KEYFOB X BATTERY LOW ............................. 3-61 Keyless Entry System ....................................... 2-3 Keys ............................................................... 2-2 Lamps Exterior ...................................................... 3-13 Interior ....................................................... 3-16 Lamps On Reminder ....................................... 3-14 Lap-Shoulder Belt ........................................... 1-22 LATCH System Child Restraints ........................................... 1-50 Securing a Child Restraint Designed for the LATCH System ........................................ 1-52 Leaving Your Vehicle With the Engine Running ... 2-31 LEFT REAR DOOR AJAR ................................ 3-61 Liftgate .......................................................... 2-13 Light Air Bag Off ................................................. 3-30 Air Bag Readiness ....................................... 3-28 Anti-Lock Brake System Warning ................... 3-34 Brake System Warning ................................. 3-33 Charging System ......................................... 3-32 Cruise Control ............................................. 3-42 Low Fuel Warning ....................................... 3-43 Malfunction Indicator .................................... 3-38 Safety Belt Reminder ................................... 3-28 Security ..................................................... 3-42 Tow/Haul Mode ........................................... 3-42 Traction Off ................................................ 3-35 Loading Your Vehicle ....................................... 4-67 Loading Your Vehicle for Off-Road Driving .......... 4-22 Locking Rear Axle ........................................... 4-11 Lockout Protection .......................................... 2-12 Locks Delayed Locking ........................................... 2-9 Door ........................................................... 2-7 Lockout Protection ....................................... 2-12 Power Door .................................................. 2-8 Programmable Automatic Door Locks ............... 2-9 Rear Door Security Locks ............................. 2-11 Loss of Control ............................................... 4-16 LOW COOLANT LEVEL .................................. 3-57 Low Fuel Warning Light ................................... 3-43 Luggage Carrier .............................................. 2-46 Lumbar Power Controls ............................................. 1-3 Maintenance Schedule Additional Required Services ........................... 6-6 At Each Fuel Fill ........................................... 6-9 At Least Once a Month ................................ 6-10 At Least Once a Year .................................. 6-10 Introduction .................................................. 6-2 Maintenance Footnotes .................................. 6-8 Maintenance Record .................................... 6-16 Maintenance Requirements ............................. 6-2 Normal Maintenance Replacement Parts ......... 6-14 Owner Checks and Services ........................... 6-9 Recommended Fluids and Lubricants ............. 6-12 Scheduled Maintenance ................................. 6-4 Using Your ................................................... 6-3 Your Vehicle and the Environment ................... 6-2 Maintenance When Trailer Towing ..................... 4-84 Making Turns ................................................. 4-82 Malfunction Indicator Light ................................ 3-38 Matching Transmitter(s) to Your Vehicle ............... 2-5 Memory Seat ................................................. 2-51 Message Mirrors DIC Warnings and Messages ........................ 3-56 Mexico, Central America and Caribbean Islands/ Countries (Except Puerto Rico and U.S. Virgin Islands) – Customer Assistance ....................... 7-4 Automatic Dimming Rearview with Compass and Temperature Display ........................... 2-34 Outside Automatic Dimming Mirror with Curb View Assist ............................................. 2-39 Outside Convex Mirror ................................. 2-38 Outside Heated Mirrors ................................ 2-39 Outside Power Mirrors .................................. 2-37 MyGMLink.com ................................................ 7-3 Navigation/Radio System .................................. 3-86 New Vehicle Break-In ...................................... 2-18 Normal Maintenance Replacement Parts ............ 6-14 Odometer ...................................................... 3-28 Off-Road Driving ............................................. 4-17 Off-Road Lamps ............................................. 3-16 Off-Road Recovery .......................................... 4-14 Oil Engine ....................................................... 5-14 Pressure Gage ............................................ 3-41 OIL LIFE RESET ............................................ 3-56 OIL PRESSURE LOW ..................................... 3-56 Older Children, Restraints ................................ 1-38 Online Owner Center ........................................ 7-3 OnStar® Personal Calling ................................. 2-41 OnStar® Services ............................................ 2-40 OnStar® Steering Wheel Controls ...................... 2-41 OnStar® System ............................................. 2-40 Other Warning Devices ...................................... 3-5 Outlet Adjustment ............................................ 3-25 Outside Automatic Dimming Mirror with Curb View Assist ..................................................... 2-39 Convex Mirror ............................................. 2-38 Heated Mirrors ............................................ 2-39 Power Mirrors ............................................. 2-37 Overheated Engine Protection Operating Mode ... 5-28 Overload and Overheat Protection ..................... 4-74 Overseas – Customer Assistance ........................ 7-4 Owner Checks and Services .............................. 6-9 Owners, Canadian ............................................... ii Owner’s Information ........................................ 7-11 10 Park (P) Parking Shifting Into ................................................ 2-30 Shifting Out of ............................................ 2-32 Brake ........................................................ 2-29 Over Things That Burn ................................. 2-32 Parking on Hills .............................................. 4-83 PASSENGER DOOR AJAR .............................. 3-61 Passing ................................................. 4-14, 4-82 Passlock® ...................................................... 2-18 Personalization Button ..................................... 3-48 Personalization, Climate Controls ...................... 3-25 Plan Ahead When Possible ................................ 7-7 Playing a Cassette Tape .................................. 3-69 Playing a CD ......................................... 3-72, 3-80 Playing a Speciﬁc Loaded CD .......................... 3-82 Playing the Radio ................................... 3-63, 3-74 Power Accessory Outlets ........................................ 3-18 Door Locks .................................................. 2-8 Electrical System ....................................... 5-102 Lumbar Controls ........................................... 1-3 Seat ............................................................ 1-2 Steering Fluid ............................................. 5-36 Windows .................................................... 2-15 Power Steering ............................................... 4-12 Power Winch Platform (If Equipped) .................. 4-62 Programmable Automatic Door Locks .................. 2-9 Programming the HomeLink® Transmitter ........... 2-42 Questions and Answers About Safety Belts ......... 1-21 Radio Data System (RDS) ....................... 3-66, 3-77 Radio Messages ............................................. 3-69 Radios .......................................................... 3-62 Care of Your Cassette Tape Player ................ 3-90 Care of Your CD Player ............................... 3-92 Care of Your CDs ........................................ 3-92 Navigation/Radio System .............................. 3-86 Radio with Cassette and CD ......................... 3-63 Radio with Six-Disc CD ................................ 3-74 Rear Seat Audio .......................................... 3-87 Setting the Time .......................................... 3-62 Theft-Deterrent ............................................ 3-88 Understanding Reception .............................. 3-90 RDS Messages ...................................... 3-68, 3-79 Reading Lamps .............................................. 3-17 REAR ACCESS OPEN .................................... 3-61 Rear Axle ...................................................... 5-50 Locking ...................................................... 4-11 Rear Door Security Locks ................................ 2-11 Rear Heated Seats ........................................... 1-8 Rear Safety Belt Comfort Guides ...................... 1-34 Rear Seat Armrest .......................................... 2-49 Rear Seat Audio Controls ................................. 3-87 Rear Seat Audio (RSA) .................................... 3-87 Rear Seat Operation ......................................... 1-7 Rear Seat Passengers, Safety Belts .................. 1-30 Rear Window Defogger .................................... 3-24 Rearview Mirror, Automatic Dimming with Compass and Temperature Display ................ 2-34 Reclining Seatbacks .......................................... 1-5 Recommended Fluids and Lubricants ................. 6-12 Recreational Vehicle Towing ............................. 4-65 REDUCED ENGINE POWER ........................... 3-57 Remote Keyless Entry System ............................ 2-3 Remote Keyless Entry System, Operation ............ 2-4 Removing the Flat Tire and Installing the Spare Tire .................................................. 5-83 Removing the Seat ......................................... 1-13 Removing the Spare Tire and Tools ................... 5-80 REPLACE LIFTGATE FUSE ............................. 3-61 11 Replacement Bulbs ......................................... 5-58 Replacing Brake System Parts .......................... 5-42 Replacing Restraint System Parts After a Crash ..... 1-74 Replacing the Seat ......................................... 1-15 Reporting Safety Defects Canadian Government .................................. 7-10 General Motors ........................................... 7-10 United States Government ............................ 7-10 Reprogramming a Single HomeLink® Button ....... 2-45 Resetting Defaults ........................................... 2-45 Restraint Systems Checking .................................................... 1-73 Replacing Parts ........................................... 1-74 Resynchronization ............................................. 2-6 Retained Accessory Power (RAP) ...................... 2-19 Returning the Seat to an Upright Position ........... 1-12 Returning the Seats to an Upright Position ........... 1-9 Ride Height, Selectable Extended Rear Ride ...... 4-73 Right Front Passenger Position, Safety Belts ...... 1-30 RIGHT REAR DOOR AJAR .............................. 3-61 Roadside Assistance Program ............................ 7-5 Rocking Your Vehicle To Get It Out ................... 4-56 Routing, Engine Drive Belt ............................... 6-15 Running Your Engine While You Are Parked ....... 2-33 12 Safety Belt Safety Belts Reminder Light ............................................ 3-28 Care of ...................................................... 5-95 Driver Position ............................................ 1-22 How to Wear Safety Belts Properly ................ 1-21 Questions and Answers About Safety Belts ..... 1-21 Rear Safety Belt Comfort Guides for Children and Small Adults ...................................... 1-34 Rear Seat Passengers ................................. 1-30 Right Front Passenger Position ...................... 1-30 Safety Belt Extender .................................... 1-37 Safety Belt Use During Pregnancy ................. 1-29 Safety Belts Are for Everyone ....................... 1-16 Safety Chains ................................................. 4-80 Safety Warnings and Symbols .............................. iii Scanning the Terrain ....................................... 4-29 Scheduled Maintenance ..................................... 6-4 Seats 60/40 Split Bench Seat .................................. 1-8 Head Restraints ............................................ 1-6 Heated Seats ............................................... 1-4 Heated Seats, Rear ....................................... 1-8 Seats (cont.) Memory ..................................................... 2-51 Power Lumbar .............................................. 1-3 Power Seats ................................................. 1-2 Rear Seat Operation ...................................... 1-7 Reclining Seatbacks ...................................... 1-5 Third Row Seat ........................................... 1-10 Securing a Child Restraint Designed for the LATCH System ................... 1-52 Rear Seat Position ...................................... 1-53 Right Front Seat Position .............................. 1-55 Security Light ................................................. 3-42 Security While You Travel .................................. 7-5 Select Button ................................................. 3-55 Selectable Extended Rear Ride Height ............... 4-73 Service ........................................................... 5-3 Adding Equipment to the Outside of Your Vehicle ..................................................... 5-5 Doing Your Own Work ................................... 5-4 Engine Soon Light ....................................... 3-38 Publications Ordering Information ................... 7-11 SERVICE 4WD ............................................... 3-58 SERVICE AIR BAG ......................................... 3-58 SERVICE AIR SUSPENSION ........................... 3-58 SERVICE BRAKE SYSTEM ............................. 3-58 Service Bulletins ............................................. 7-11 Service Manuals ............................................. 7-11 Servicing Your Air Bag-Equipped Vehicle ............ 1-72 Setting Preset PTYs ........................................ 3-79 Setting Preset PTYs (RDS Only) ....................... 3-67 Setting Preset Stations ............................ 3-64, 3-76 Setting the Time ............................................. 3-62 Setting the Tone (Bass/Treble) .................. 3-65, 3-76 Sheet Metal Damage ....................................... 5-98 Shifting Into Park (P) ....................................... 2-30 Shifting Out of Park (P) ................................... 2-32 Skidding ........................................................ 4-16 Some Other Rainy Weather Tips ....................... 4-45 Spare Tire ..................................................... 5-92 Speciﬁcations, Capacities ............................... 5-111 Speedometer .................................................. 3-28 Split Bench Seat (60/40) .................................... 1-8 Stalling on an Incline ....................................... 4-38 Starting Your Engine ....................................... 2-20 Steering ........................................................ 4-12 Steering in Emergencies .................................. 4-13 Steering Tips .................................................. 4-12 Steering Wheel Controls, Audio ......................... 3-89 Steering Wheel, Tilt Wheel ................................. 3-5 Storage Areas Center Console Storage Area ........................ 2-46 Center Overhead Console ............................. 2-46 Glove Box .................................................. 2-45 Luggage Carrier .......................................... 2-46 Rear Seat Armrest ....................................... 2-49 Storing a Flat or Spare Tire and Tools ............... 5-90 Stuck in Sand, Mud, Ice or Snow ...................... 4-56 Sun Visors ..................................................... 2-16 13 Sunroof ......................................................... 2-50 Suspension .................................................... 4-74 Tachometer .................................................... 3-28 Taillamps ....................................................... 5-57 Temperature Display ........................................ 2-35 Testing the Alarm ............................................ 2-17 Theft-Deterrent, Radio ..................................... 3-88 Theft-Deterrent Systems ................................... 2-16 Content Theft-Deterrent ................................ 2-16 Passlock® ................................................... 2-18 Third Row Seat .............................................. 1-10 TIGHTEN FUEL CAP ...................................... 3-59 Tilt Wheel ........................................................ 3-5 Tilting the Seat ............................................... 1-11 Tire Sidewall Labeling ...................................... 5-60 Tire Size ....................................................... 5-64 Tire Terminology and Deﬁnitions ........................ 5-65 Tires ............................................................. 5-60 Buying New Tires ........................................ 5-71 Chains ....................................................... 5-75 Changing a Flat Tire .................................... 5-79 If a Tire Goes Flat ....................................... 5-78 Inﬂation - Tire Pressure ................................ 5-68 Inspection and Rotation ................................ 5-69 Spare Tire .................................................. 5-92 Uniform Tire Quality Grading ......................... 5-72 14 Tires (cont.) Wheel Alignment and Tire Balance ................. 5-73 Wheel Replacement ..................................... 5-74 When It Is Time for New Tires ...................... 5-70 To Use the Engine Coolant Heater .................... 2-21 Top Strap ...................................................... 1-48 Top Strap Anchor Location ............................... 1-49 Torque Lock ................................................... 2-32 Total Weight on Your Vehicle’s Tires .................. 4-79 Tow/Haul Mode ............................................... 2-25 Tow/Haul Mode Light ....................................... 3-42 Towing Recreational Vehicle ..................................... 4-65 Towing a Trailer .......................................... 4-75 Your Vehicle ............................................... 4-65 Traction Control System (TCS) .................................... 4-9 Off Light ..................................................... 3-35 TRACTION ACTIVE ........................................ 3-59 Trailer Recommendations ................................. 4-75 Trailer Brakes ................................................. 4-81 Trailer Wiring Harness ..................................... 4-84 TRANS HOT IDLE ENGINE ............................. 3-60 Transfer Case ................................................ 5-48 Transfer Case Buttons ..................................... 2-25 Transmission Fluid, Automatic ........................................... 5-21 Temperature Gage ....................................... 3-36 TRANSMISSION HOT ..................................... 3-59 Transmission Operation, Automatic .................... 2-22 Transmission, Transaxle, Transfer Case Unit Repair Manual ............................................ 7-11 Transportation Options ...................................... 7-7 Traveling to Remote Areas ............................... 4-23 Trip Information Button .................................... 3-45 Turn and Lane Change Signals .......................... 3-6 TURN SIGNAL ON ......................................... 3-58 Turn Signal/Multifunction Lever ........................... 3-6 Turn Signals When Towing a Trailer .................. 4-82 Underhood Fuse Block ................................... 5-106 Understanding Radio Reception ........................ 3-90 Unfolding the Seatback .................................... 1-10 Uniform Tire Quality Grading ............................ 5-72 United States – Customer Assistance .................. 7-4 Used Replacement Wheels .............................. 5-75 Using HomeLink® ........................................... 2-44 Using Song List Mode ..................................... 3-84 Using the Recovery Loops ............................... 4-57 Vehicle Control ........................................................ 4-6 Damage Warnings ........................................... iv Vehicle (cont.) Loading ...................................................... 4-67 Symbols ......................................................... iv Vehicle Data Collection and Event Data Records ..... 7-9 Vehicle Identiﬁcation Number (VIN) ............................................ 5-101 Service Parts Identiﬁcation Label .................. 5-101 Vehicle Personalization Memory Seat .............................................. 2-51 Vehicle Storage .............................................. 5-42 Ventilation Adjustment ...................................... 3-25 Visors ........................................................... 2-16 Voltmeter Gage .............................................. 3-32 Warning Lights, Gages and Indicators ................ 3-26 Warnings DIC Warnings and Messages ........................ 3-56 Hazard Warning Flashers ............................... 3-4 Other Warning Devices .................................. 3-5 Safety and Symbols ......................................... iii Vehicle Damage .............................................. iv Washing Your Vehicle ...................................... 5-95 Weight of the Trailer ........................................ 4-78 Weight of the Trailer Tongue ............................. 4-79 What Kind of Engine Oil to Use ........................ 5-15 What to Do with Used Oil ................................ 5-18 15 Power ........................................................ 2-15 Windshield Washer ........................................... 3-8 Fluid .......................................................... 5-37 Windshield Wiper Blade Replacement ...................................... 5-59 Fuses ...................................................... 5-102 Windshield Wipers ............................................ 3-8 Winter Driving ................................................ 4-52 Your Vehicle and the Environment ....................... 6-2 Wheels Alignment and Tire Balance .......................... 5-73 Replacement ............................................... 5-74 When to Add Engine Oil .................................. 5-15 When to Change Engine Oil (GM Oil Life System) ..................................................... 5-17 When to Check Lubricant ................................. 5-50 When to Check Power Steering Fluid ................ 5-36 When You Are Ready to Leave After Parking on a Hill ......................................................... 4-84 Where to Put the Restraint ............................... 1-47 Why Safety Belts Work .................................... 1-18 Windows ....................................................... 2-14 16 2004 HUMMER H2 Owner Manual M Front Seats Rear Seats Safety Belts Child Restraints Air Bag System Restraint System Check Seats and Restraint Systems ........................... 1-1 ............................................... 1-2 ............................................... 1-7 ............................................. 1-16 ....................................... 1-38 ....................................... 1-61 ............................ 1-73 Features and Controls ..................................... 2-1 ........................................................ 2-2 ....................................... 2-7 ................................................. 2-14 ............................ 2-16 ........... 2-18 .................................................... 2-34 ...................................... 2-40 ............................. 2-42 ......................................... 2-45 .................................................. 2-50 ............................. 2-51 Instrument Panel ............................................. 3-1 .......................... 3-2 ...................................... 3-19 ........ 3-26 .................. 3-44 ....................................... 3-62 Keys Doors and Locks Windows Theft-Deterrent Systems Starting and Operating Your Vehicle Mirrors OnStar® System HomeLink® Transmitter Storage Areas Sunroof Vehicle Personalization Instrument Panel Overview Climate Controls Warning Lights, Gages, and Indicators Driver Information Center (DIC) Audio System(s) Your Driving, the Road, and Your Vehicle Towing Driving Your Vehicle ....................................... 4-1 ..... 4-2 ................................................... 4-65 Service and Appearance Care .......................... 5-1 Service ..................................................... 5-3 Fuel ......................................................... 5-5 Checking Things Under the Hood ............... 5-10 All-Wheel Drive ........................................ 5-48 Rear Axle ............................................... 5-50 Front Axle ............................................... 5-51 Bulb Replacement .................................... 5-52 Windshield Wiper Blade Replacement ......... 5-59 Tires ...................................................... 5-60 Appearance Care ..................................... 5-92 Vehicle Identiﬁcation ............................... 5-101 Electrical System .................................... 5-101 Capacities and Speciﬁcations ................... 5-111 Maintenance Schedule ..................................... 6-1 ................................ 6-2 Customer Assistance and Information .............. 7-1 ........... 7-2 ........................... 7-10 Index ................................................................ 1 Customer Assistance and Information Reporting Safety Defects Maintenance Schedule GENERAL MOTORS, GM, the GM Emblem, HUMMER and the name HUMMER is a registered trademark and H2 is a trademark of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles ﬁrst sold in Canada, subsitute the name “General Motors of Canada Limited” for HUMMER whenever it appears in this manual. Please keep this manual in your vehicle, so it will be there if you ever need it when you’re on the road. If you sell the vehicle, please leave this manual in it so the new owner can use it. Litho in U.S.A. Part No. S2427 A First Edition ii Canadian Owners You can obtain a French language copy of this manual from your dealer or from: Helm, Incorporated P.O. Box 07130 Detroit, MI 48207 How to Use This Manual Many people read their owner’s manual from beginning to end when they ﬁrst receive their new vehicle. If you do this, it will help you learn about the features and controls for your vehicle. In this manual, you will ﬁnd that pictures and words work together to explain things. Index A good place to look for what you need is the Index in back of the manual. It is an alphabetical list of what is in the manual, and the page number where you will ﬁnd it. ©Copyright General Motors Corporation 08/01/03 All Rights Reserved Safety Warnings and Symbols You will ﬁnd a number of safety cautions in this book. We use a box and the word CAUTION to tell you about things that could hurt you if you were to ignore the warning. {CAUTION: These mean there is something that could hurt you or other people. In the caution area, we tell you what the hazard is. Then we tell you what to do to help avoid or reduce the hazard. Please read these cautions. If you don’t, you or others could be hurt. You will also ﬁnd a circle with a slash through it in this book. This safety symbol means “Don’t,” “Don’t do this” or “Don’t let this happen.” iii Vehicle Damage Warnings Also, in this book you will ﬁnd these notices: Notice: These mean there is something that could damage your vehicle. A notice will tell you about something that can damage your vehicle. Many times, this damage would not be covered by your warranty, and it could be costly. But the notice will tell you what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different words. You’ll also see warning labels on your vehicle. They use the same words, CAUTION or NOTICE. Vehicle Symbols Your vehicle has components and labels that use symbols instead of text. Symbols, used on your vehicle, are shown along with the text describing the operation or information relating to a speciﬁc component, control, message, gage or indicator. If you need help ﬁguring out a speciﬁc name of a component, gage or indicator, reference the following topics: (cid:127) Seats and Restraint Systems in Section 1 Features and Controls in Section 2 Instrument Panel Overview in Section 3 (cid:127) Climate Controls in Section 3 (cid:127) Warning Lights, Gages and Indicators in Section 3 (cid:127) Audio System(s) in Section 3 (cid:127) Engine Compartment Overview in Section 5 iv (cid:127) (cid:127) These are some examples of symbols you may ﬁnd on your vehicle: ✍ NOTES vi Section 1 Seats and Restraint Systems Front Seats ......................................................1-2 Power Seats ..................................................1-2 Power Lumbar ...............................................1-3 Heated Seats .................................................1-4 Reclining Seatbacks ........................................1-5 Head Restraints .............................................1-6 Rear Seats .......................................................1-7 Rear Seat Operation .......................................1-7 Heated Seats .................................................1-8 60/40 Split Bench Seat ...................................1-8 Third Row Seats ...........................................1-10 Safety Belts ...................................................1-16 Safety Belts: They Are for Everyone ................1-16 Questions and Answers About Safety Belts ......1-21 How to Wear Safety Belts Properly .................1-21 Driver Position ..............................................1-22 Safety Belt Use During Pregnancy ..................1-29 Right Front Passenger Position .......................1-30 Rear Seat Passengers ..................................1-30 Rear Safety Belt Comfort Guides for Children and Small Adults .......................................1-34 Safety Belt Extender .....................................1-37 Child Restraints .............................................1-38 Older Children ..............................................1-38 Infants and Young Children ............................1-40 Child Restraint Systems .................................1-44 Where to Put the Restraint .............................1-47 Top Strap ....................................................1-48 Top Strap Anchor Location .............................1-49 Lower Anchorages and Top Tethers for Children (LATCH System) ...........................1-50 Securing a Child Restraint Designed for the LATCH System .........................................1-52 Securing a Child Restraint in a Rear Seat Position ...................................................1-53 Securing a Child Restraint in the Right Front Seat Position ............................................1-55 Air Bag System ..............................................1-61 Where Are the Air Bags? ...............................1-63 When Should an Air Bag Inﬂate? ....................1-65 What Makes an Air Bag Inﬂate? .....................1-65 How Does an Air Bag Restrain? .....................1-65 What Will You See After an Air Bag Inﬂates? ...1-66 Air Bag Off Switch ........................................1-68 Servicing Your Air Bag-Equipped Vehicle .........1-72 Adding Equipment to Your Air Bag-Equipped Vehicle ....................................................1-73 Restraint System Check ..................................1-73 Checking Your Restraint Systems ...................1-73 Replacing Restraint System Parts After a Crash ......................................................1-74 1-1 Horizontal Control: This control adjusts the seat cushion. (cid:127) Raise or lower the front of the seat by raising or lowering the forward edge of the control. Raise or lower the rear of the seat by raising or lowering the rear edge of the control. (cid:127) Move the seat forward or rearward by moving the whole control toward the front or toward the rear of the vehicle. Lower or raise the entire seat cushion by moving the whole control up or down. Vertical Control: This control adjusts the seatback. Move the reclining front seatback rearward or forward by moving the control toward the rear or toward the front of the vehicle. This adjusts the angle of the seatback. For more information on the reclining seatbacks, see Reclining Seatbacks on page 1-5. Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat on page 2-51 for more information. Front Seats Power Seats The power seat controls are located on the outboard edge of the front seats. 1-2 (cid:127) Power Lumbar Your vehicle’s seats may be equipped with power lumbar. You can increase or decrease lumbar support in an area of the lower seatback with this control, located on the outboard sides of the front seat(s). To increase support, press and hold the front of the control. To decrease support, press and hold the rear of the control. Let go of the control when the lower seatback reaches the desired level of support. You can also reshape the side wing area of the lower seatback for more lateral support. To increase support, press and hold the top of the control. To decrease support, press and hold the bottom of the control. Let go of the control when the lower seatback reaches the desired level of support. Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat on page 2-51 for more information. 1-3 Heated Seats Your vehicle may have heated front seats. The buttons used to control this feature are located on the front doors. The engine must be running for the heated seat feature to work. To heat the entire seat, press the horizontal button with the heated seat symbol. Press the button to cycle through the temperature settings of high, medium and low and to turn the heated seat off. Indicator lights will glow to designate the level of heat selected, three for high, two for medium, and one for low. The low setting warms the seatback and cushion until the seat temperature is near body temperature. The medium and high settings heat the seatback and seat cushion to a slightly higher temperature. You will be able to feel heat in about two minutes. To heat only the seatback, press the vertical button with the heated seatback symbol. An indicator light on the seatback button will glow to designate that only the seatback is being heated. Additional presses of the seatback button will cycle through the heat levels for the seatback only. Press the horizontal button again to heat the whole seat. The heated front seats will shut off automatically when the ignition is turned off. 1-4 Reclining Seatbacks Your vehicle’s front seatbacks have a recline feature which is described earlier. See Power Seats on page 1-2. But don’t have a seatback reclined if your vehicle is moving. {CAUTION: Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts can’t do their job when you’re reclined like this. The shoulder belt can’t do its job. In a crash, you could go into it, receiving neck or other injuries. The lap belt can’t do its job either. In a crash the belt could go up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries. For proper protection when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear your safety belt properly. 1-5 Head Restraints Pull straight up on the head restraint to raise it and push it down to lower it. The front head restraints can also be tilted forward in addition to being slid up or down. To tilt either of the front head restraints do the following: Pull the head restraint toward you until you hear a click. Then let go. The head restraint will stay in this position unless you pull it forward more until another click is heard. There are four positions available: initial position, ﬁrst click, second click, and third click. After the third position (three clicks) is reached, pulling the head restraint farther will release it back to the normal upright position. The rear head restraints can be slid up or down just as the front head restraints, but they do not tilt. Adjust your head restraint so that the top of the restraint is closest to the top of your head. This position reduces the chance of a neck injury in a crash. 1-6 Rear Seats Rear Seat Operation Entering or Exiting the Third Row Seats To enter or exit the third row seat (if equipped) you must fold the second row seat down following the instructions later in this section. See “Folding the Seatbacks” under 60/40 Split Bench Seat on page 1-8. If you are exiting the third row seat with no assistance, do the following: Be sure to return the seat to the upright position when ﬁnished. Pull forward and push rearward on the seat to make sure it is locked in place. {CAUTION: If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked. 1. Reach over the second row seat and pull up on the strap loop. Then pull the seat cushion up and push it forward. 2. Next, push the seatback forward until it is ﬂat with the ﬂoor. 1-7 Heated Seats If your vehicle has this feature, the buttons used to control this feature are located on the back of the center console. The engine must be running for the heated seat feature to work. Folding the Seatbacks The seatbacks are equipped with rearward folding head restraints. When the seatback is being folded down, the head restraint will automatically fold rearward. To fold the rear seat, do the following: 1. Make sure that nothing is under or in front of the seat. 2. Pull up on the strap loop located at the rear of the seat cushion and pull the seat cushion up and fold it forward. To heat the seat, press the button to cycle through the temperature settings of high and low. Press the button a third time to turn the feature off. An indicator light will glow for each heat setting when the feature is operating. The heated rear seats will shut off automatically when the ignition is turned off. 60/40 Split Bench Seat The 60/40 split bench seats can be folded to give you more cargo space. 1-8 3. Pull the seatback forward and fold it down until it is ﬂat. If the seatback cannot fold ﬂat because it interferes with the cushion, try moving the front seat forward and/or bringing the front seatback more upright. To return the seat(s) to the upright position, do the following: 1. Lift the seatback up and push it rearward all the way. 2. Lower the seat cushion until it latches into position. 3. Pull forward on the seatback and up on the seat cushion to make sure the seat is securely in place. 4. Return the head restraints to the upright position. 5. Check to see that the safety belt buckles on the driver’s side seat are accessible to the outboard and center occupants and are not under the seat cushions. Returning the Seats to an Upright Position {CAUTION: If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked. {CAUTION: A safety belt that is improperly routed, not properly attached, or twisted won’t provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted. 1-9 Third Row Seats If your vehicle has a third row seat, the seatback can be folded and the entire seat tilted or removed from the vehicle. Folding the Seatback To fold the seatback, do the following: 1. Pull up on the release lever, labeled 1, located on the rear of the seatback, and push the seatback forward. Unfolding the Seatback {CAUTION: If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked. 1-10 To return the seatback to the passenger position, do the following: 1. Pull up on the release lever labeled 1 and then pull up on the seatback until the seatback locks into the upright position. Tilting the Seat 1. Fold the seatback forward using the instructions listed previously. 2. Unlatch the seat from the ﬂoor by pulling up on the lever labeled 2, located on the rear of the seat. 2. Push forward on the seatback to make sure it is locked into position. 3. Lift the rear of the seat up from the ﬂoor and push it forward until it locks into place. You will not be able to unlatch the seat from the ﬂoor unless the seatback is folded down. The seat will now remain locked in the upright position. 1-11 Returning the Seat to an Upright Position {CAUTION: If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked. To return the seatback to an upright position, do the following: 1-12 1. Pull the lever labeled 3 toward you. 2. While still holding lever 3 toward you, grasp the top of the seat and pull it toward you slightly. 3. Let go of lever 3 and pull the seat completely down. 4. Push down on the seat ﬁrmly. Try pulling it up to be sure it is locked into place. 5. Pull up on the release lever labeled 1 and then pull up on the seatback until the seatback locks into the upright position. Removing the Seat To remove the seat, do the following: 1. Open the liftgate. 2. Fold the seatback forward onto the seat cushion by using the lever labeled 1. The seat cannot be removed unless the seatback is folded. 1-13 3. To unlatch the rear of the seat from the ﬂoor, pull up on the release lever labeled 2, at the rear of the seat, and lift the rear of the seat up from the ﬂoor. 4. Squeeze the release handle while pulling the seat out. 5. While holding the rear of the seat up, roll the seat out of the vehicle. 1-14 Replacing the Seat {CAUTION: If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked. {CAUTION: A seat that isn’t locked into place properly can move around in a collision or sudden stop. People in the vehicle could be injured. Be sure to lock the seat into place properly when installing it. {CAUTION: A safety belt that is improperly routed, not properly attached, or twisted won’t provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted. To replace the seat, do the following: 1. While holding the rear of the seat up, slide the front wheels into the slots on the ﬂoor. The front latches should lock into place. If the latches do not lock, try tilting the rear of the seat upwards. 1-15 2. Once the latches are engaged, let the seat drop into place. Release the lever labeled 1 and pull the seatback up to return it to its upright position. Safety Belts Safety Belts: They Are for Everyone This part of the manual tells you how to use safety belts properly. It also tells you some things you should not do with safety belts. 3. Push and pull on the seat to make sure it is locked into place. The seatback cannot be raised to the upright position unless the seat is secured to the ﬂoor. {CAUTION: Don’t let anyone ride where he or she can’t wear a safety belt properly. If you are in a crash and you’re not wearing a safety belt, your injuries can be much worse. You can hit things inside the vehicle or be ejected from it. You can be seriously injured or killed. In the same crash, you might not be, if you are buckled up. Always fasten your safety belt, and check that your passengers’ belts are fastened properly too. 1-16 {CAUTION: It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, people riding in these areas are more likely to be seriously injured or killed. Do not allow people to ride in any area of your vehicle that is not equipped with seats and safety belts. Be sure everyone in your vehicle is in a seat and using a safety belt properly. In most states and in all Canadian provinces, the law says to wear safety belts. Here’s why: They work. You never know if you’ll be in a crash. If you do have a crash, you don’t know if it will be a bad one. A few crashes are mild, and some crashes can be so serious that even buckled up, a person wouldn’t survive. But most crashes are in between. In many of them, people who buckle up can survive and sometimes walk away. Without belts they could have been badly hurt or killed. After more than 30 years of safety belts in vehicles, the facts are clear. In most crashes buckling up does matter... a lot! Your vehicle has a light that comes on as a reminder to buckle up. See Safety Belt Reminder Light on page 3-28. 1-17 Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. Put someone on it. Take the simplest vehicle. Suppose it’s just a seat on wheels. 1-18 Get it up to speed. Then stop the vehicle. The rider doesn’t stop. The person keeps going until stopped by something. In a real vehicle, it could be the windshield... 1-19 or the instrument panel... or the safety belts! With safety belts, you slow down as the vehicle does. You get more time to stop. You stop over more distance, and your strongest bones take the forces. That’s why safety belts make such good sense. 1-20 Questions and Answers About Safety Belts Q: Won’t I be trapped in the vehicle after an accident if I’m wearing a safety belt? A: You could be – whether you’re wearing a safety belt or not. But you can unbuckle a safety belt, even if you’re upside down. And your chance of being conscious during and after an accident, so you can unbuckle and get out, is much greater if you are belted. Q: If my vehicle has air bags, why should I have to wear safety belts? A: Air bags are in many vehicles today and will be in most of them in the future. But they are supplemental systems only; so they work with safety belts – not instead of them. Every air bag system ever offered for sale has required the use of safety belts. Even if you’re in a vehicle that has air bags, you still have to buckle up to get the most protection. That’s true not only in frontal collisions, but especially in side and other collisions. Q: If I’m a good driver, and I never drive far from home, why should I wear safety belts? A: You may be an excellent driver, but if you’re in an accident – even one that isn’t your fault – you and your passengers can be hurt. Being a good driver doesn’t protect you from things beyond your control, such as bad drivers. Most accidents occur within 25 miles (40 km) of home. And the greatest number of serious injuries and deaths occur at speeds of less than 40 mph (65 km/h). Safety belts are for everyone. How to Wear Safety Belts Properly This part is only for people of adult size. Be aware that there are special things to know about safety belts and children. And there are different rules for smaller children and babies. If a child will be riding in your vehicle, see Older Children on page 1-38 or Infants and Young Children on page 1-40. Follow those rules for everyone’s protection. First, you’ll want to know which restraint systems your vehicle has. We’ll start with the driver position. 1-21 Driver Position This part describes the driver’s restraint system. Lap-Shoulder Belt The driver has a lap-shoulder belt. Here is how to wear it properly. 1. Close and lock the door. 2. Adjust the seat so you can sit up straight. To see how, see “Seats” in the Index 3. Pick up the latch plate and pull the belt across you. Do not let it get twisted. The shoulder belt may lock if you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock it. Then pull the belt across you more slowly. 4. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. If the belt is not long enough, see Safety Belt Extender on page 1-37. Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. 1-22 5. To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder belt. The lap part of the belt should be worn low and snug on the hips, just touching the thighs. In a crash, this applies force to the strong pelvic bones. And you would be less likely to slide under the lap belt. If you slid under it, the belt would apply force at your abdomen. This could cause serious or even fatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there is a sudden stop or a crash, or if you pull the belt very quickly out of the retractor. 1-23 Q: What’s wrong with this? {CAUTION: You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should ﬁt against your body. A: The shoulder belt is too loose. It will not give nearly as much protection this way. 1-24 Q: What’s wrong with this? {CAUTION: You can be seriously injured if your belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not at the pelvic bones. This could cause serious internal injuries. Always buckle your belt into the buckle nearest you. A: The belt is buckled in the wrong place. 1-25 {CAUTION: You can be seriously injured if your belt goes over an armrest like this. The belt would be much too high. In a crash, you can slide under the belt. The belt force would then be applied at the abdomen, not at the pelvic bones, and that could cause serious or fatal injuries. Be sure the belt goes under the armrests. Q: What’s wrong with this? A: The belt is over an armrest. 1-26 Q: What’s wrong with this? {CAUTION: You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the ribs, which aren’t as strong as shoulder bones. You could also severely injure internal organs like your liver or spleen. A: The shoulder belt is worn under the arm. It should be worn over the shoulder at all times. 1-27 Q: What’s wrong with this? {CAUTION: You can be seriously injured by a twisted belt. In a crash, you wouldn’t have the full width of the belt to spread impact forces. If a belt is twisted, make it straight so it can work properly, or ask your dealer to ﬁx it. A: The belt is twisted across the body. 1-28 Safety Belt Use During Pregnancy Safety belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they don’t wear safety belts. To unlatch the belt, just push the button on the buckle. The belt should go back out of the way. Before you close the door, be sure the belt is out of the way. If you slam the door on it, you can damage both the belt and your vehicle. A pregnant woman should wear a lap-shoulder belt, and the lap portion should be worn as low as possible, below the rounding, throughout the pregnancy. 1-29 The best way to protect the fetus is to protect the mother. When a safety belt is worn properly, it’s more likely that the fetus won’t be hurt in a crash. For pregnant women, as for anyone, the key to making safety belts effective is wearing them properly. Right Front Passenger Position To learn how to wear the right front passenger’s safety belt properly, see Driver Position on page 1-22. The right front passenger’s safety belt works the same way as the driver’s safety belt – except for one thing. If you ever pull the shoulder portion of the belt out all the way, you will engage the child restraint locking feature. If this happens, just let the belt go back all the way and start again. Rear Seat Passengers It is very important for rear seat passengers to buckle up! Accident statistics show that unbelted people in the rear seat are hurt more often in crashes than those who are wearing safety belts. Rear passengers who are not safety belted can be thrown out of the vehicle in a crash. And they can strike others in the vehicle who are wearing safety belts. 1-30 Lap-Shoulder Belt All rear seating positions have lap-shoulder belts. Here is how to wear one properly. 2. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. When the shoulder belt is pulled out all the way, it will lock. If it does, let it go back all the way and start again. If the belt is not long enough, see Safety Belt Extender on page 1-37. Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. 1. Pick up the latch plate and pull the belt across you. Do not let it get twisted. The lap-shoulder belt may lock if you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock it. Then pull the belt across you more slowly. 1-31 3. To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder part. 1-32 The lap part of the belt should be worn low and snug on the hips, just touching the thighs. In a crash, this applies force to the strong pelvic bones. And you would be less likely to slide under the lap belt. If you slid under it, the belt would apply force at your abdomen. This could cause serious or even fatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there is a sudden stop or a crash. The safety belt also locks if you pull the belt very quickly out of the retractor. {CAUTION: You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should ﬁt against your body. To unlatch the belt, just push the button on the buckle. 1-33 Rear Safety Belt Comfort Guides for Children and Small Adults Rear shoulder belt comfort guides will provide added safety belt comfort for older children who have outgrown booster seats and for small adults. When installed on a shoulder belt, the comfort guide better positions the belt away from the neck and head. Comfort guides are provided for each outside passenger in the second row seat and one guide for the single third row seat. To provide added safety belt comfort for children who have outgrown child restraints and booster seats and for smaller adults, the comfort guides may be installed on the shoulder belts. Here is how to install a comfort guide and use the safety belt: 1-34 Second Row Seat 1. For the second row, remove the guide from its storage clip on the trim panel near the side of the seatback. 2. Place the guide over the belt and insert the two edges of the belt into the slots of the guide. Third Row Seat For the third row, remove the guide from its storage clip on the side of the seatback. 1-35 3. Be sure that the belt is not twisted and it lies ﬂat. The guide must be on top of the belt. Second Row Seat 1-36 To remove and store the comfort guides, squeeze the belt edges together so that you can take them out of the guides. For the second row, slide the guide onto its storage clip on the trim panel near the side of the seatback. For the third row, slide the guide onto its storage clip on the side of the seatback. Make sure you remove the comfort guide from the belt before you fold a rear seat down. Safety Belt Extender If the vehicle’s safety belt will fasten around you, you should use it. But if a safety belt isn’t long enough to fasten, your dealer will order you an extender. It’s free. When you go in to order it, take the heaviest coat you will wear, so the extender will be long enough for you. The extender will be just for you, and just for the seat in your vehicle that you choose. Don’t let someone else use it, and use it only for the seat it is made to ﬁt. To wear it, just attach it to the regular safety belt. 1-37 Third Row Seat 4. Buckle, position and release the safety belt as described in Rear Seat Passengers on page 1-30. Make sure that the shoulder belt crosses the shoulder. Child Restraints Older Children Q: What is the proper way to wear safety belts? A: If possible, an older child should wear a lap-shoulder belt and get the additional restraint a shoulder belt can provide. The shoulder belt should not cross the face or neck. The lap belt should ﬁt snugly below the hips, just touching the top of the thighs. It should never be worn over the abdomen, which could cause severe or even fatal internal injuries in a crash. Accident statistics show that children are safer if they are restrained in the rear seat. In a crash, children who are not buckled up can strike other people who are buckled up, or can be thrown out of the vehicle. Older children need to use safety belts properly. Older children who have outgrown booster seats should wear the vehicle’s safety belts. 1-38 {CAUTION: Never do this. Here two children are wearing the same belt. The belt can’t properly spread the impact forces. In a crash, the two children can be crushed together and seriously injured. A belt must be used by only one person at a time. Q: What if a child is wearing a lap-shoulder belt, but the child is so small that the shoulder belt is very close to the child’s face or neck? A: If the child is sitting in a rear seat outside position, move the child toward the center of the vehicle. Also, see Rear Safety Belt Comfort Guides for Children and Small Adults on page 1-34. If the child is sitting in the center position, move the child toward the safety belt buckle. In either case, be sure that the shoulder belt still is on the child’s shoulder, so that in a crash the child’s upper body would have the restraint that belts provide. 1-39 CAUTION: (Continued) this way, in a crash the child might slide under the belt. The belt’s force would then be applied right on the child’s abdomen. That could cause serious or fatal injuries. Wherever the child sits, the lap portion of the belt should be worn low and snug on the hips, just touching the child’s thighs. This applies belt force to the child’s pelvic bones in a crash. Infants and Young Children Everyone in a vehicle needs protection! This includes infants and all other children. Neither the distance traveled nor the age and size of the traveler changes the need, for everyone, to use safety restraints. In fact, the law in every state in the United States and in every Canadian province says children up to some age must be restrained while in a vehicle. Every time infants and young children ride in vehicles, they should have the protection provided by appropriate restraints. Young children should not use the vehicle’s adult safety belts alone, unless there is no other choice. Instead, they need to use a child restraint. {CAUTION: Never do this. Here a child is sitting in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. If the child wears the belt in CAUTION: (Continued) 1-40 {CAUTION: People should never hold a baby in their arms while riding in a vehicle. A baby doesn’t weigh much -- until a crash. During a crash a baby will become so heavy it is not possible to hold it. For example, in a crash at only 25 mph (40 km/h), a 12-lb. (5.5 kg) baby will suddenly become a 240-lb. (110 kg) force on a person’s arms. A baby should be secured in an appropriate restraint. 1-41 {CAUTION: Children who are up against, or very close to, any air bag when it inﬂates can be seriously injured or killed. Air bags plus lap-shoulder belts offer outstanding protection for adults and older children, but not for young children and infants. Neither the vehicle’s safety belt system nor its air bag system is designed for them. Young children and infants need the protection that a child restraint system can provide. Q: What are the different types of add-on child restraints? A: Add-on child restraints, which are purchased by the vehicle’s owner, are available in four basic types. Selection of a particular restraint should take into consideration not only the child’s weight, height, and age but also whether or not the restraint will be compatible with the motor vehicle in which it will be used. 1-42 {CAUTION: The body structure of a young child is quite unlike that of an adult or older child, for whom the safety belts are designed. A young child’s hip bones are still so small that the vehicle’s regular safety belt may not remain low on the hip bones, as it should. Instead, it may settle up around the child’s abdomen. In a crash, the belt would apply force on a body area that’s unprotected by any bony structure. This alone could cause serious or fatal injuries. Young

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2004 Hummer H2 Owners Manual