2009 Hummer H2 Owners Manual

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(cid:129) Airbag Off Switch The vehicle has an airbag on-off switch that you can use to manually turn on or off the right front passenger airbag. United States Canada 1-76 This switch should only be turned to the off position if the person in the right front passenger position is a member of a passenger risk group identiﬁed by the national government as follows: Infant. An infant (less than 1 year old) must ride in the front seat because: (cid:129) My vehicle has no rear seat; (cid:129) My vehicle has a rear seat too small to accommodate a rear-facing infant seat; or The infant has a medical condition which, according to the infant’s physician, makes it necessary for the infant to ride in the front seat so that the driver can constantly monitor the child’s condition. Child age 1 to 12. A child age 1 to 12 must ride in the front seat because: (cid:129) My vehicle has no rear seat; (cid:129) Although children ages 1 to 12 ride in the rear seat(s) whenever possible, children ages 1 to 12 sometimes must ride in the front because no space is available in the rear seat(s) of my vehicle; or The child has a medical condition which, according to the child’s physician, makes it necessary for the child to ride in the front seat so that the driver can constantly monitor the child’s condition. (cid:129) (cid:129) Medical Condition. A passenger has a medical condition which, according to his or her physician: (cid:129) Causes the passenger airbag to pose a special risk for the passenger; and (cid:129) Makes the potential harm from the passenger airbag in a crash greater than the potential harm from turning off the airbag and allowing the passenger, even if belted, to hit the dashboard or windshield in a crash. { CAUTION: If the right front passenger’s airbag is turned off for a person who is not in a risk group identiﬁed by the national government, that person will not have the extra protection of an airbag. In a crash, the airbag will not be able to inﬂate and help protect the person sitting there. Do not turn off the passenger’s airbag unless the person sitting there is in a risk group. United States Canada To turn off the right front passenger frontal airbag, insert the ignition key into the switch, push in, and move the switch to the off position. The word OFF or the off symbol will come on in the passenger airbag status indicator located in the overhead console to let you know that the right front passenger airbag is off, after the system check is completed. The airbag off light will come on and stay on to let you know that the right front passenger airbag is off. See Airbag Off Light on page 3-33. 1-77 The airbag off light will stay on to remind you that the airbag is off. The right front passenger airbag will remain off until you turn it back on again. { CAUTION: If the airbag readiness light ever comes on and stays on, it means that something may be wrong with the airbag system. For example, the right front passenger airbag could inﬂate even though the airbag on-off switch is turned off. To help avoid injury to yourself or others, have the vehicle serviced right away. See Airbag Readiness Light on page 3-32 for more information, including important safety information. 1-78 United States Canada To turn the right front passenger airbag on again, insert the ignition key into the switch, push in, and move the switch to the on position. The right front passenger’s frontal airbag is now enabled (may inﬂate). See Airbag Off Light on page 3-33 for more information. Servicing Your Airbag-Equipped Vehicle Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer/retailer and the service manual have information about servicing the vehicle and the airbag system. To purchase a service manual, see Service Publications Ordering Information on page 7-15. { CAUTION: For up to 10 seconds after the ignition is turned off and the battery is disconnected, an airbag can still inﬂate during improper service. You can be injured if you are close to an airbag when it inﬂates. Avoid yellow connectors. They are probably part of the airbag system. Be sure to follow proper service procedures, and make sure the person performing work for you is qualiﬁed to do so. Adding Equipment to Your Airbag-Equipped Vehicle Q: Is there anything I might add to or change about the vehicle that could keep the airbags from working properly? A: Yes. If you add things that change your vehicle’s frame, bumper system, height, front end or side sheet metal, they may keep the airbag system from working properly. Changing or moving any parts of the front seats, safety belts, the airbag sensing and diagnostic module, steering wheel, instrument panel, roof-rail airbag modules, ceiling headliner or pillar garnish trim, overhead console, front sensors, side impact sensors, rollover sensor module, or airbag wiring can affect the operation of the airbag system. If you have any questions about this, you should contact Customer Assistance before you modify your vehicle. The phone numbers and addresses for Customer Assistance are in Step Two of the Customer Satisfaction Procedure in this manual. See Customer Satisfaction Procedure on page 7-2. If your vehicle has rollover roof-rail airbags, see Different Size Tires and Wheels on page 5-74 for additional important information. 1-79 Q: Because I have a disability, I have to get my vehicle modiﬁed. How can I ﬁnd out whether this will affect my airbag system? A: If you have questions, call Customer Assistance. The phone numbers and addresses for Customer Assistance are in Step Two of the Customer Satisfaction Procedure in this manual. See Customer Satisfaction Procedure on page 7-2. In addition, your dealer/retailer and the service manual have information about the location of the airbag sensors, sensing and diagnostic module and airbag wiring. Restraint System Check Checking the Restraint Systems Safety Belts Now and then, check the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are all working properly. Look for any other loose or damaged safety belt system parts that might keep a safety belt system from doing its job. See your dealer/retailer to have it repaired. 1-80 Torn or frayed safety belts may not protect you in a crash. They can rip apart under impact forces. If a belt is torn or frayed, get a new one right away. Make sure the safety belt reminder light is working. See Safety Belt Reminders on page 3-32 for more information. Keep safety belts clean and dry. See Care of Safety Belts on page 5-105. Airbags The airbag system does not need regularly scheduled maintenance or replacement. Make sure the airbag readiness light is working. See Airbag Readiness Light on page 3-32 for more information. Notice: broken, the airbag may not work properly. Do not open or break the airbag coverings. If there are any opened or broken airbag covers, have the airbag covering and/or airbag module replaced. For the location of the airbag modules, see What Makes an Airbag Inﬂate? on page 1-73. See your dealer/retailer for service. If an airbag covering is damaged, opened, or Replacing Restraint System Parts After a Crash { CAUTION: A crash can damage the restraint systems in your vehicle. A damaged restraint system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure your restraint systems are working properly after a crash, have them inspected and any necessary replacements made as soon as possible. If the vehicle has been in a crash, do you need new safety belts or LATCH system (if equipped) parts? After a very minor crash, nothing may be necessary. But the safety belt assemblies that were used during any crash may have been stressed or damaged. See your dealer/retailer to have the safety belt assemblies inspected or replaced. If the vehicle has the LATCH system and it was being used during a crash, you may need new LATCH system parts. New parts and repairs may be necessary even if the safety belt or LATCH system (if equipped), was not being used at the time of the crash. If an airbag inﬂates, you will need to replace airbag system parts. See the part on the airbag system earlier in this section. Have the safety belt pretensioners checked if the vehicle has been in a crash, if the airbag readiness light stays on after the vehicle is started, or while you are driving. See Airbag Readiness Light on page 3-32. 1-81 ✍ NOTES 1-82 Section 2 Features and Controls Keys ...............................................................2-3 Remote Keyless Entry (RKE) System ................2-4 Remote Keyless Entry (RKE) System Operation ...................................................2-5 Remote Vehicle Start ......................................2-7 Doors and Locks ............................................2-10 Door Locks ..................................................2-10 Power Door Locks ........................................2-11 Delayed Locking ...........................................2-11 Programmable Automatic Door Locks ..............2-11 Rear Door Security Locks ..............................2-12 Lockout Protection ........................................2-12 Liftgate (SUV) ..............................................2-13 Midgate® (SUT) ............................................2-14 Tailgate/Spare Tire Carrier .............................2-16 Windows ........................................................2-19 Power Windows ............................................2-20 Sun Visors ...................................................2-23 Theft-Deterrent Systems ..................................2-23 Content Theft-Deterrent .................................2-24 PASS-Key® III+ Electronic Immobilizer .............2-25 PASS-Key® III+ Electronic Immobilizer Operation .................................................2-26 Starting and Operating Your Vehicle ................2-27 New Vehicle Break-In ....................................2-27 Ignition Positions ..........................................2-28 Retained Accessory Power (RAP) ...................2-29 Starting the Engine .......................................2-29 Engine Coolant Heater ..................................2-31 Automatic Transmission Operation ...................2-32 Tow/Haul Mode ............................................2-36 Full-Time Four-Wheel Drive ............................2-37 Parking Brake ..............................................2-42 Shifting Into Park ..........................................2-43 Shifting Out of Park ......................................2-44 Parking Over Things That Burn .......................2-45 Engine Exhaust ............................................2-45 Running the Vehicle While Parked ..................2-46 Mirrors ...........................................................2-47 Automatic Dimming Rearview Mirror ................2-47 Outside Power Foldaway Mirrors .....................2-47 Outside Automatic Dimming Mirror ..................2-48 Park Tilt Mirrors ............................................2-48 Outside Convex Mirror ...................................2-49 Outside Heated Mirrors ..................................2-49 Object Detection Systems ...............................2-50 Rear Vision Camera (RVC) ............................2-50 2-1 Section 2 Features and Controls OnStar® System .............................................2-54 Universal Home Remote System ......................2-57 Universal Home Remote System Operation ......2-58 Storage Areas ................................................2-64 Glove Box ...................................................2-64 Cupholders ..................................................2-64 Center Console Storage .................................2-65 Luggage Carrier ...........................................2-65 Rear Seat Armrest ........................................2-65 Cargo Tie Downs (SUT) ................................2-66 All-Weather Cargo Area (SUT) ........................2-66 Sunroof .........................................................2-68 2-2 Keys { CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons, children or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function with the keys in the ignition and children could be seriously injured or killed if caught in the path of a closing window. Do not leave the keys in a vehicle with children. The key can be used for the ignition and all door locks. The key has a bar-coded key tag that the dealer/retailer or qualiﬁed locksmith can use to make new keys. Store this information in a safe place, not in your vehicle. See your dealer/retailer if a replacement key or additional key is needed. Notice: you may have to damage the vehicle to get in. Be sure you have spare keys. If you are locked out of your vehicle, call the Roadside Assistance Center. See Roadside Service on page 7-7. If you ever lock your keys in the vehicle, 2-3 Remote Keyless Entry (RKE) System The Remote Keyless Entry (RKE) system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received, including interference that may cause undesired operation of the device. This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received, including interference that may cause undesired operation of the device. Changes or modiﬁcations to this system by other than an authorized service facility could void authorization to use this equipment. If there is a decrease in the RKE operating range, try this: (cid:129) Check the distance. The transmitter may be too far from the vehicle. Stand closer during rainy or snowy weather. (cid:129) Check the location. Other vehicles or objects may be blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again. (cid:129) Check the transmitter’s battery. See “Battery Replacement” later in this section. If the transmitter is still not working correctly, see your dealer/retailer or a qualiﬁed technician for service. 2-4 (cid:129) Remote Keyless Entry (RKE) System Operation The Remote Keyless Entry (RKE) transmitter functions work up to 195 feet (60 m) away from the vehicle. There are other conditions which can affect the performance of the transmitter. See Remote Keyless Entry (RKE) System on page 2-4. / (Remote Vehicle Start): Press to start the engine from outside the vehicle using the RKE transmitter. See Remote Vehicle Start on page 2-7 for additional information. Q (Lock): Press to lock all the doors. If enabled through the Driver Information Center (DIC), the turn signal lamps ﬂash once to indicate locking has occurred. If enabled through the DIC, the horn chirps when Q is pressed again within three seconds. See DIC Vehicle Customization on page 3-64 for additional information. Pressing Q arms the content theft-deterrent system. See Content Theft-Deterrent on page 2-24. K (Unlock): Press once to unlock the driver door. If K is pressed again within three seconds, all remaining doors unlock. If enabled through the DIC, the turn signal lamps ﬂash twice to indicate unlocking has occurred. See DIC Vehicle Customization on page 3-64. The interior lamps may come on and stay on for 20 seconds or until the ignition is turned on. If enabled through the DIC, the exterior lights turn on brieﬂy if it is dark enough outside. See “APPROACH LIGHTING” under DIC Vehicle Customization on page 3-64. 2-5 Pressing K on the RKE transmitter disarms the content theft-deterrent system. See Content Theft-Deterrent on page 2-24. Press and hold K to lower the windows. See Power Windows on page 2-20 for additional information. The remote recall memory feature may adjust the seats and mirrors if it is on and the RKE transmitter is used to enter the vehicle. See “MEMORY SEAT RECALL” under DIC Vehicle Customization on page 3-64 for additional information. L (Vehicle Locator/Panic Alarm): Press and release to locate the vehicle. The turn signal lamps ﬂash and the horn sounds three times. Press and hold L for more than two seconds to activate the panic alarm. The turn signal lamps ﬂash and the horn sounds repeatedly for 30 seconds. The alarm turns off when the ignition is moved to RUN or L is pressed again. The ignition must be in OFF for the panic alarm to work. Programming Transmitters to the Vehicle Only RKE transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer/retailer. When the replacement transmitter is programmed to the vehicle, all remaining transmitters must also be programmed. Any lost or stolen transmitters no longer work once the new transmitter is programmed. Each vehicle can have up to eight transmitters programmed to it. See “Relearn Remote Key” under DIC Operation and Displays (Using DIC Buttons) on page 3-47 or DIC Operation and Displays (Using Trip Odometer Reset Stem) on page 3-52. Battery Replacement Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “REPLACE BATTERY IN REMOTE KEY” under DIC Warnings and Messages on page 3-56 for additional information. Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter. 2-6 Remote Vehicle Start The remote start feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle’s heating or air conditioning systems and rear window defogger. Normal operation of the system will return after the key is turned to the ON/RUN position. During a remote start, the climate control system will default to a heating mode during colder outside temperatures and a cooling mode during warmer outside temperatures. During a remote start, the rear window defogger and heated mirrors, if equipped, will turn on during colder outside temperatures and will shut off when the key is turned to ON/RUN. During a remote start, the heated seats will turn on during colder outside temperatures and will shut off when the key is turned to ON/RUN. See Heated Seats on page 1-6 for additional information. 2-7 To replace the battery: 1. Separate the transmitter with a ﬂat, thin object inserted into the notch on the side. 2. Remove the old battery. Do not use a metal object. 3. Insert the new battery, positive side facing down. Replace with a CR2032 or equivalent battery. 4. Snap the transmitter back together. Laws in some communities may restrict the use of remote starters. For example, some laws may require a person using the remote start to have the vehicle in view when doing so. Check local regulations for any requirements on remote starting of vehicles. Do not use the remote start feature if your vehicle is low on fuel. Your vehicle may run out of fuel. If your vehicle has the remote start feature, the RKE transmitter functions will have an increased range of operation. However, the range may be less while the vehicle is running. There are other conditions which can affect the performance of the transmitter, see Remote Keyless Entry (RKE) System on page 2-4 for additional information. / (Remote Start): Press and release the lock button and then press and hold the remote start button to start the vehicle. To start the vehicle using the remote start feature: 1. Aim the transmitter at the vehicle. 2. Press and release the transmitter’s lock button, then immediately press and hold the transmitter’s remote start button until the turn signal lights ﬂash. If you cannot see the vehicle’s lights, press and hold the remote start button for at least four seconds. The vehicle’s doors will lock. Pressing the remote start button again after the vehicle has started will turn off the ignition. When the vehicle starts, the parking lamps will turn on and remain on while the vehicle is running. 3. If it is the ﬁrst remote start since the vehicle has been driven, repeat these steps, while the engine is still running, to extend the engine running time by 10 minutes. Remote start can be extended one time. After entering the vehicle during a remote start, insert and turn the key to ON/RUN to drive the vehicle. 2-8 If the vehicle is left running it will automatically shut off after 10 minutes unless a time extension has been done. To manually shut off a remote start: (cid:129) Aim the RKE transmitter at the vehicle and press the remote start button until the parking lamps turn off. Turn on the hazard warning ﬂashers. Turn the ignition switch on and then off. The vehicle can be remote started two separate times between driving sequences. The engine will run for 10 minutes after each remote start. Or, you can extend the engine run time by another 10 minutes within the ﬁrst 10 minute remote start time frame, and before the engine stops. For example, if the lock button and then the remote start buttons are pressed again after the vehicle has been running for ﬁve minutes, 10 minutes are added, allowing the engine to run for 15 minutes. The additional ten minutes are considered a second remote vehicle start. Once two remote starts, or a single remote start with one time extension has been done, the vehicle must be started with the key. After the key is removed from the ignition, the vehicle can be remote started again. The vehicle cannot be remote started if the key is in the ignition, the hood is not closed, or if there is an emission control system malfunction. Also, the engine will turn off during a remote vehicle start if the coolant temperature gets too high or if the oil pressure gets low. Vehicles that have the remote vehicle start feature are shipped from the factory with the remote vehicle start system enabled. The system may be enabled or disabled through the DIC. See “REMOTE START” under DIC Vehicle Customization on page 3-64 for additional information. If your vehicle does not have DIC buttons, see your dealer/retailer to enable or disable the remote vehicle start system. 2-9 (cid:129) (cid:129) CAUTION: (Continued) (cid:129) Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat stroke. Always lock your vehicle whenever you leave it. (cid:129) Outsiders can easily enter through an unlocked door when you slow down or stop your vehicle. Locking your doors can help prevent this from happening. There are several ways to lock and unlock the vehicle. To unlock the door from the outside, use the keyless entry system or the key. To unlock or lock the door from the inside, slide the manual lever at the top of the door up or down. Doors and Locks Door Locks { CAUTION: Unlocked doors can be dangerous. (cid:129) Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. You increase the chance of being thrown out of the vehicle in a crash if the doors are not locked. So, wear safety belts properly and lock the doors whenever you drive. CAUTION: (Continued) 2-10 Power Door Locks The power door lock switches are located on the front doors. Q (Lock): Remove the key from the ignition and press to lock all of the doors. K (Unlock): Press once to unlock the driver’s door, and twice to unlock all of the doors. Delayed Locking When locking the doors with the power lock switch or the keyless entry transmitter and a door or the liftgate (if equipped) is open, the delayed locking feature will delay locking the doors until ﬁve seconds after the last door is closed. Three chimes will sound to signal that the delayed locking feature is in use. Pressing the power lock switch twice will override the delayed locking feature and immediately lock all the doors. Delayed locking can be programmed using the DIC. See DIC Vehicle Customization on page 3-64. Programmable Automatic Door Locks The vehicle has an automatic power door lock/unlock feature which can be programmed through the Driver Information Center (DIC). See DIC Vehicle Customization on page 3-64 for more information on DIC programming. 2-11 Rear Door Security Locks The vehicle may have rear door security locks which prevent passengers from opening the rear doors from the inside. The rear door security locks are located on the inside edge of each rear door. The rear doors must be open to access them. The label depicting lock and unlock positions is located near the lock. Security Lock Label shown To set the locks: 1. Insert the key into the security lock slot and turn it so the slot is in the horizontal position. 2. Close the door. 2-12 To open a rear door when the security lock is on: 1. Unlock the door by lifting the rear door manual lock, by pressing the power door lock switch, or if the vehicle has one, by using the Remote Keyless Entry (RKE) transmitter. 2. Open the door from the outside. To cancel the rear door security lock: 1. Unlock the door and open it from the outside. 2. Insert the key into the security lock slot and turn it so the slot is in the vertical position. Lockout Protection This feature protects you from locking your key in the vehicle when the key is in the ignition and a door is open. If the driver side power lock switch is pressed when a door is open and the key is in the ignition, all of the doors will lock and then the driver door will unlock. If the passenger side power lock switch is pressed when a door is open and the key is in the ignition, all of the doors will lock and then the passenger door will unlock. Liftgate (SUV) { CAUTION: It can be dangerous to drive with the liftgate open because carbon monoxide (CO) gas can come into your vehicle. You can not see or smell CO. It can cause unconsciousness and even death. If you must drive with the liftgate open or if electrical wiring or other cable connections must pass through the seal between the body and the liftgate: (cid:129) Make sure all other windows are shut. (cid:129) Turn the fan on your heating or cooling system to its highest speed and select the control setting that will force outside air into your vehicle. See Dual Automatic Climate Control System on page 3-22. If you have air outlets on or under the instrument panel, open them all the way. See Engine Exhaust on page 2-45. To lock and unlock the liftgate, use any of the power door lock switches or the Remote Keyless Entry (RKE) transmitter. To open the liftgate: 1. Move the spare tire carrier out of the way. See “Opening the Spare Tire Carrier” under Tailgate/Spare Tire Carrier on page 2-16. 2. Pull the handle located in the center of the door. To close the liftgate: 1. Pull the liftgate down until it latches. 2. Move the spare tire carrier back into place. See “Closing the Spare Tire Carrier” under Tailgate/Spare Tire Carrier on page 2-16. 2-13 (cid:129) Lowering the Midgate The Midgate window must be completely lowered for the Midgate® to be lowered. See “Midgate® Window” under Power Windows on page 2-20. Both the Midgate and the Midgate window can be lowered while the ignition is in either ON/RUN or ACC/ACCESSORY, or while in Retained Accessory Power (RAP) mode. See Retained Accessory Power (RAP) on page 2-29 for more information. To lower the Midgate: 1. Fold the rear seats forward. See Split Folding Rear Seat on page 1-11. The front seats may have to be moved forward slightly. 2. K (Midgate Window): Press the bottom part of this switch to lower the Midgate window. See Instrument Panel Overview on page 3-4 for the location of this switch. The window can also be operated using the global express-down button. See “Global Glass Feature” under Power Windows on page 2-20. Midgate® (SUT) { CAUTION: It can be dangerous to drive with the cargo area covered and the tailgate and the Midgate® open because carbon monoxide (CO) gas can come into your vehicle. You can not see or smell CO. It can cause unconsciousness and even death. If you must drive with the cargo covers on and the tailgate and Midgate® open or if electrical wiring or other cable connections must pass through the seal between the body and the Midgate®: (cid:129) Make sure all windows are shut. (cid:129) Turn the fan on your heating or cooling system to its highest speed on the setting that brings in outside air. This will force outside air into your vehicle. See Dual Automatic Climate Control System on page 3-22. If you have air outlets on or under the instrument panel, open them all the way. See Engine Exhaust on page 2-45. The Midgate® allows you to extend the length of the vehicle’s cargo area into the cab. 2-14 (cid:129) 3. Press either one of the two power Midgate latch release buttons. The Midgate will move slightly forward from its closed position. The latch release buttons operate while the ignition is in ON/RUN, ACC/ACCESSORY, in RAP mode, or up to 10 minutes after removing the key. If necessary, press the global express-down button to reactivate the release buttons for an additional 10 minutes. 4. Pull the Midgate inward and down to its fully lowered position. 5. Flip the auxiliary panel on the top of the Midgate into position to bridge the gap created by the hinges in the Midgate. There are two ﬁnger holds on the panel. Raising the Midgate To raise the Midgate: 1. Fold the auxiliary panel back into the exterior of the Midgate. The panel should snap loudly back into position which means it is secure. 2. Reverse the steps for lowering the Midgate listed previously. The Midgate must be fully latched on both sides before the window can be raised. 3. Press the top part of the Midgate window switch to express-up the window. To stop the window, press the switch a second time. 2-15 Tailgate/Spare Tire Carrier Opening the Spare Tire Carrier To open the spare tire carrier: 2. Lift up on the latch on the left side of the vehicle to release the spare tire carrier from the vehicle. The handle will stay in the raised position until the spare tire carrier is closed and latched properly. 1. Press the button on the pin (B), which is attached to the cable (A), to remove the pin from the latch nut (C). { CAUTION: If you drive with the spare tire carrier unlatched, you could injure pedestrians or damage the vehicle. Make sure the carrier is secure before driving. 2-16 Opening the Tailgate SUT Model Spare Tire Carrier shown, SUV Model similar 3. Swing the spare tire carrier to the side. Lift the release handle while pulling the tailgate toward you. 2-17 Closing the Spare Tire Carrier To close the spare tire carrier: 1. On SUT models swing the tailgate up until it latches ﬁrmly into place. { CAUTION: The spare tire carrier must be secured so that it does not strike and injure someone. Always close it into the latch forcefully. Make sure that the release handle is fully closed (down) and that the cable is attached. 2. Move the spare tire carrier back into place until it latches, by closing it into the latch forcefully. The spare tire carrier is latched properly when the latch handle has lowered to the closed position. 2-18 3. Reinstall the cable (A) by pushing in the button on the pin (B) and inserting the pin into the latch bolt nut (C). 4. Pull on the spare tire carrier to make sure it is ﬁrmly latched. Windows { CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. 2-19 Window Lockout This feature prevents the rear passengers from operating their windows. o (Window Lockout): This button is located near the power window switches on the driver door. Press this button to activate the window lockout feature. A light in the lockout button will come on to show that lockout has been activated. Press the button again to return to normal operation. Express-Down Windows The window switches have an express-down feature which allows the window to be lowered fully without continuously pressing the switch. Press the front of the window switch down all the way and release. Express-down can be interrupted at any time by pulling up the front of the switch. Power Windows A power window switch is located on the armrest of each side door. The switches operate while the ignition is in ON/RUN or ACC/ACCESSORY or while Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-29. The driver door also has a switch for each of the passenger windows. Press the front of the switch to the ﬁrst position to lower the window to the desired level. Pull up the front of the switch to raise the window. 2-20 Global Window Feature The global window up and express-down button is located on the instrument panel. This feature allows all side windows and Midgate® window, if equipped, to be opened or closed at the same time. ª (Window Express-Down): Press the express-down button to lower all side windows and Midgate window, if equipped, without stopping. Express-down will operate while the ignition is in ON/RUN or ACC/ACCESSORY, or while Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-29. Pressing the global express-down button also activates the power Midgate latch release buttons, if equipped. See “Lowering the Midgate” under Midgate® (SUT) on page 2-14. The express-down feature can also be operated through the Remote Keyless Access (RKE) transmitter. Press and hold the unlock button on the transmitter until the windows start to lower. See Remote Keyless Entry (RKE) System Operation on page 2-5 for more information. y (Window Up): Press and hold the up button to raise the four side windows and, if equipped, the Midgate window. The up button operates while the ignition is in ON/RUN or ACC/ACCESSORY, or while RAP is active. 2-21 Midgate Window K (Midgate Window): On vehicles with a Midgate, the switch to operate the window is located on the instrument panel to the left of the steering wheel. See Instrument Panel Overview on page 3-4. ª : Press to express-down the window. y : Press to express-up the window. Press the top or bottom of the switch a second time to stop the window. The window switch will operate while the ignition is in ON/RUN or ACC/ACCESSORY, or while Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-29. The window can also be operated using the global window buttons. See “Global Window Feature” previously. 2-22 { CAUTION: If express override is activated, the midgate window will not reverse automatically. You or others could be injured and the window could be damaged. Before you use express override, make sure that all people and obstructions are clear of the midgate window path. Midgate Window Express Override Mode If an obstruction or weather condition such as severe icing stops the window as it is moving upward, the window will automatically reverse to a partially open position. The window will return to normal operation once the obstruction or condition is removed. The window auto-reversal function can be overridden in the express override mode. To override, the window must be operated manually by pressing and holding the Midgate window switch or the global window button. This must be done within two seconds after the Midgate window has stopped at a partially open position. The express override mode only works immediately following a window auto-reversal. Window express functions will not work while in this mode. Sun Visors Swing the sun visor down to block glare. Swing the sun visor to the side to cover the side window. Illuminated Visor Vanity Mirrors Swing the sun visor down and lift the mirror cover to turn the lamps on. Theft-Deterrent Systems Vehicle theft is big business, especially in some cities. This vehicle has theft-deterrent features, however, they do not make it impossible to steal. Midgate Window Error/Jog Mode If the Midgate window has sensed conditions which may lead to damage or malfunction of the window system, the window will automatically go into Error/Jog mode. In this mode, window express functions will not work. The window can only be operated manually by pressing the Midgate window switch or the global window button. The window will move slightly and stop. Press and hold the window switch or global window button to continue to close the window a small amount at a time. To Exit Error/Jog Mode 1. Ensure normal Midgate window operating conditions have begun. 2. Press and hold the Midgate window down switch approximately one second to start window express-down. 3. Release the window down switch and allow the window to fully open. Do not use any window switches once window movement has started. 4. Press the Midgate window up switch and visually conﬁrm that the express-up has been completed. 2-23 Content Theft-Deterrent Your vehicle is equipped with a content theft-deterrent alarm system. With this system, the security light in the instrument panel cluster will ﬂash as you open the door if your ignition is off. This light reminds you to activate the theft-deterrent system. To activate the theft-deterrent system: 1. Open the door. 2. Lock the door with the Remote Keyless Entry (RKE) transmitter. The security light will illuminate to inform the driver the system is arming. If a door is open when the doors are locked, the security light will ﬂash. 3. Close all doors. The security light should go off after about 30 seconds. The alarm is not armed until the security light goes off. If the delayed locking feature is turned on, the theft-deterrent system will not start the arming process until the last door is closed and the delay timer has expired. See Delayed Locking on page 2-11. 2-24 If a locked door is opened without the RKE transmitter, the alarm will go off. The headlamps and parking lamps will ﬂash and the horn will sound for 30 seconds, then will turn off to save the battery power. Remember, the theft-deterrent system will not activate if you lock the doors with the vehicle’s key or use the manual door lock. It activates only if you use a power door lock switch with the door open, or with the RKE transmitter. You should also remember that you can start your vehicle with the correct ignition key if the alarm has been set off. Here is how to avoid setting off the alarm by accident: If you do not want to activate the theft-deterrent system, the vehicle should be locked with the door key after the doors are closed. (cid:129) Always unlock a door with the RKE transmitter. Unlocking a door any other way will set off the alarm. If you set off the alarm by accident, press unlock on the RKE transmitter or place the key in the ignition and turn it to START to turn it off. The alarm will not stop if you try to unlock a door any other way. (cid:129) Testing the Alarm To test the alarm: 1. From inside the vehicle, lower the driver’s window and open the driver’s door. 2. Activate the system by locking the doors with the power door lock switch while the door is open, or with the RKE transmitter. 3. Get out of the vehicle, close the door and wait for the security light to go out. 4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm. While the alarm is set, the power door unlock switch is not operational. If the alarm does not sound when it should but the headlamps ﬂash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see Instrument Panel Fuse Block on page 5-111 and Underhood Fuse Block on page 5-113. If the alarm does not sound or the headlamps do not ﬂash, the vehicle should be serviced by your dealer/retailer. PASS-Key® III+ Electronic Immobilizer The PASS-Key III+ system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received, including interference that may cause undesired operation of the device. Changes or modiﬁcations to this system by other than an authorized service facility could void authorization to use this equipment. PASS-Key III+ uses a radio frequency transponder in the key that matches a decoder in the vehicle. 2-25 PASS-Key® III+ Electronic Immobilizer Operation Your vehicle has PASS-Key® III+ (Personalized Automotive Security System) theft-deterrent system. PASS-Key® III+ is a passive theft-deterrent system. The system is automatically armed when the key is removed from the ignition. The system is automatically disarmed when the key is turned to ON/RUN, ACC/ACCESSORY or START from the LOCK/OFF position. You do not have to manually arm or disarm the system. The security light will come on if there is a problem with arming or disarming the theft-deterrent system. When the PASS-Key® III+ system senses that someone is using the wrong key, it prevents the vehicle from starting. Anyone using a trial-and-error method to start the vehicle will be discouraged because of the high number of electrical key codes. If the engine does not start and the security light on the instrument panel cluster comes on when trying to start the vehicle, there may be a problem with your theft-deterrent system. Turn the ignition off and try again. If the engine still does not start, and the key appears to be undamaged, try another ignition key. At this time, you may also want to check the fuse, see Fuses and Circuit Breakers on page 5-110. If the engine still does not start with the other key, your vehicle needs service. If your vehicle does start, the ﬁrst key may be faulty. See your dealer/retailer who can service the PASS-Key® III+ to have a new key made. In an emergency, contact Roadside Assistance. It is possible for the PASS-Key® III+ decoder to learn the transponder value of a new or replacement key. Up to 10 keys may be programmed for the vehicle. The following procedure is for programming additional keys only. If all the currently programmed keys are lost or do not operate, you must see your dealer/retailer or a locksmith who can service PASS-Key® III+ to have keys made and programmed to the system. See your dealer/retailer or a locksmith who can service PASS-Key® III+ to get a new key blank that is cut exactly as the ignition key that operates the system. 2-26 To program the new additional key: 1. Verify that the new key has a 1 stamped on it. 2. Insert the original, already programmed, key in the ignition and start the engine. If the engine will not start, see your dealer/retailer for service. 3. After the engine has started, turn the key to LOCK/OFF, and remove the key. 4. Insert the new key to be programmed and turn it to the ON/RUN position within ﬁve seconds of turning the ignition to the LOCK/OFF position in Step 3. The security light will turn off once the key has been programmed. 5. Repeat Steps 1 through 4 if additional keys are to be programmed. If you lose or damage your PASS-Key® III+ key, see your dealer/retailer or a locksmith who can service PASS-Key® III+ to have a new key made. Do not leave the key or device that disarms or deactivates the theft deterrent system in the vehicle. Starting and Operating Your Vehicle New Vehicle Break-In Notice: The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: (cid:129) Keep your speed at 55 mph (88 km/h) or less for the ﬁrst 500 miles (805 km). (cid:129) Do not drive at any one constant speed, fast or slow, for the ﬁrst 500 miles (805 km). Do not make full-throttle starts. Avoid downshifting to brake or slow the vehicle. (cid:129) Avoid making hard stops for the ﬁrst 200 miles (322 km) or so. During this time the new brake linings are not yet broken in. Hard stops with new linings can mean premature wear and earlier replacement. Follow this breaking-in guideline every time you get new brake linings. (cid:129) Do not tow a trailer during break-in. See Towing a Trailer on page 4-55 for the trailer towing capabilities of the vehicle and more information. Following break-in, engine speed and load can be gradually increased. 2-27 A (LOCK/OFF): This position locks the ignition. It also locks the transmission on automatic transmission vehicles. The key can be removed in LOCK/OFF. On vehicles with an automatic transmission, the shift lever must be in P (Park) to turn the ignition switch to LOCK/OFF. The steering can bind with the wheels turned off center. If this happens, move the steering wheel from right to left while turning the key to ACC/ACCESSORY. If this doesn’t work, then the vehicle needs service. Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break the key. Use the correct key, make sure it is all the way in, and turn it only with your hand. If the key cannot be turned by hand, see your dealer/retailer. B (ACC/ACCESSORY): This position lets things like the radio and the windshield wipers operate while the engine is off. Use this position if the vehicle must be pushed or towed. Ignition Positions The ignition switch has four different positions. To shift out of P (Park), the ignition must be in ON/RUN or ACC/ACCESSORY and the regular brake pedal must be applied. 2-28 C (ON/RUN): This position can be used to operate the electrical accessories and to display some instrument panel cluster warning and indicator lights. The switch stays in this position when the engine is running. The transmission is also unlocked in this position on automatic transmission vehicles. If you leave the key in the ACC/ACCESSORY or ON/ RUN position with the engine off, the battery could be drained. You may not be able to start the vehicle if the battery is allowed to drain for an extended period of time. D (START): This is the position that starts the engine. When the engine starts, release the key. The ignition switch returns to ON/RUN for driving. A warning tone will sound when the driver door is opened, the ignition is in ACC/ACCESSORY or LOCK/OFF and the key is in the ignition. Retained Accessory Power (RAP) These vehicle accessories can be used for up to 10 minutes after the engine is turned off: (cid:129) Audio System (cid:129) Sunroof (cid:129) Power Windows The sunroof and power windows will continue to work up to 10 minutes after the key is turned to LOCK/OFF or until any door is opened. The radio will continue to work for up to 10 minutes after the key is turned to LOCK/OFF or until the driver door is opened. Starting the Engine Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine when the vehicle is already moving, use N (Neutral) only. Notice: Do not try to shift to P (Park) if the vehicle is moving. If you do, you could damage the transmission. Shift to P (Park) only when the vehicle is stopped. 2-29 2. If the engine does not start after 5-10 seconds, especially in very cold weather (below 0°F or −18°C), it could be ﬂooded with too much gasoline. Try pushing the accelerator pedal all the way to the ﬂoor and holding it there as you hold the key in START for up to a maximum of 15 seconds. Wait at least 15 seconds between each try, to allow the cranking motor to cool down. When the engine starts, let go of the key and accelerator. If the vehicle starts brieﬂy but then stops again, repeat these steps. This clears the extra gasoline from the engine. Do not race the engine immediately after starting it. Operate the engine and transmission gently until the oil warms up and lubricates all moving parts. Notice: The engine is designed to work with the electronics in the vehicle. If you add electrical parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer/retailer. If you do not, the engine might not perform properly. Any resulting damage would not be covered by the vehicle warranty. Starting Procedure 1. With your foot off the accelerator pedal, turn the ignition to START. When the engine starts, let go of the key. The idle speed will slow down as the engine warms. Do not race the engine immediately after starting it. Operate the engine and transmission gently to allow the oil to warm up and lubricate all moving parts. The vehicle has a Computer-Controlled Cranking System. This feature assists in starting the engine and protects components. If the ignition key is turned to the START position, and then released when the engine begins cranking, the engine will continue cranking for a few seconds or until the vehicle starts. If the engine does not start and the key is held in START, cranking will be stopped after 15 seconds to prevent cranking motor damage. To prevent gear damage, this system also prevents cranking if the engine is already running. Engine cranking can be stopped by turning the ignition switch to the ACC/ACCESSORY or LOCK/OFF position. Notice: Cranking the engine for long periods of time, by returning the key to the START position immediately after cranking has ended, can overheat and damage the cranking motor, and drain the battery. Wait at least 15 seconds between each try, to let the cranking motor cool down. 2-30 Engine Coolant Heater The engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine heater should be plugged in at least four hours before starting. An internal thermostat in the plug-end of the cord may exist which will prevent engine coolant heater operation at temperatures above 0°F (−18°C). To Use the Engine Coolant Heater 1. Turn off the engine. 2. Locate the electrical cord near the front recovery loop on the driver side of the vehicle. 3. Plug it into a normal, grounded 110-volt AC outlet. { CAUTION: Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a ﬁre. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cord will not reach, use a heavy-duty three-prong extension cord rated for at least 15 amps. 4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from moving engine parts. The length of time the heater should remain plugged in depends on several factors. Ask a dealer/retailer in the area where you will be parking the vehicle for the best advice on this. 2-31 Automatic Transmission Operation The vehicle has a Hydra-Matic® 6L80 automatic transmission, and has an electronic shift position indicator within the instrument panel cluster. This display comes on when the ignition key is turned to the ON/RUN position. There are several different positions for the shift lever. { CAUTION: It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake ﬁrmly set. The vehicle can roll. Do not leave the vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). See Shifting Into Park on page 2-43. If you are pulling a trailer, see Towing a Trailer on page 4-55. P (Park): This position locks the rear wheels. It is the best position to use when starting the engine because the vehicle cannot move easily. When parked on a hill, especially when the vehicle has a heavy load, you may notice an increase in the effort to shift out of P (Park). See Torque Lock (Automatic Transmission) under Shifting Into Park on page 2-43 for more information. R (Reverse): Use this gear to back up. Notice: Shifting to R (Reverse) while the vehicle is moving forward could damage the transmission. The repairs would not be covered by the vehicle warranty. Shift to R (Reverse) only after the vehicle is stopped. 2-32 To rock the vehicle back and forth to get out of snow, ice, or sand without damaging the transmission, see If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow on page 4-39. N (Neutral): In this position, the engine does not connect with the wheels. To restart the engine when the vehicle is already moving, use N (Neutral) only. Also, use N (Neutral) when the vehicle is being towed. { CAUTION: Shifting into a drive gear while the engine is running at high speed is dangerous. Unless your foot is ﬁrmly on the brake pedal, the vehicle could move very rapidly. You could lose control and hit people or objects. Do not shift into a drive gear while the engine is running at high speed. Notice: Shifting out of P (Park) or N (Neutral) with the engine running at high speed may damage the transmission. The repairs would not be covered by the vehicle warranty. Be sure the engine is not running at high speed when shifting the vehicle. D (Drive): This position is for normal driving. It provides the best fuel economy. If you need more power for passing, and you are: (cid:129) Going less than about 35 mph (55 km/h), push the accelerator pedal about halfway down. (cid:129) Going about 35 mph (55 km/h) or more, push the accelerator all the way down. By doing this, the vehicle shifts down to the next gear and has more power. D (Drive) can be used when towing a trailer, carrying a heavy load, driving on steep hills, or for off-road driving. You may want to shift the transmission to a lower gear selection if the transmission shifts too often. Downshifting the transmission in slippery road conditions could result in skidding, see Skidding under Loss of Control on page 4-13. M (Manual Mode): This position lets the driver select the range of gears appropriate for current driving conditions. If the vehicle has this feature, see Driver Shift Control (DSC) later in this section. Notice: Spinning the tires or holding the vehicle in one place on a hill using only the accelerator pedal may damage the transmission. The repair will not be covered by the vehicle warranty. If you are stuck, do not spin the tires. When stopping on a hill, use the brakes to hold the vehicle in place. 2-33 2 (Second): This position reduces vehicle speed without using the brakes. Use 2 (Second) on hills. It can help control vehicle speed as you go down steep mountain roads, but then you may also want to use the brakes off and on. 1 (First): This position reduces vehicle speed without using the brakes. Use it for major/severe downgrades and off-road driving where the vehicle would otherwise accelerate due to steepness of grade. When you shift to 2 (Second) or 1 (First) it provides the lowest gear appropriate to your current road speed and continues to downshift as the vehicle slows, eventually downshifting to the selected gear. The vehicle has a shift stabilization feature that adjusts the transmission shifting to the current driving conditions in order to reduce rapid upshifts and downshifts. This shift stabilization feature is designed to determine, before making an upshift, if the engine will be able to maintain vehicle speed by analyzing things such as vehicle speed, throttle position and vehicle load. If the shift stabilization feature determines that a current vehicle speed cannot be maintained, the transmission does not upshift and instead holds the current gear. In some cases, this may appear to be a delayed shift, however the transmission is operating normally. The transmission uses adaptive shift controls that compares key shift parameters to pre-programmed ideal shifts stored in the transmission’s computer. The transmission constantly makes adjustments to improve vehicle performance according to how the vehicle is being used, such as with a heavy load or when the temperature changes. During this adaptive shift control process, shifting may feel different as the transmission determines the best settings. When temperatures are very cold, the Hydra-Matic® 6L80 automatic transmission’s gear shifting may be delayed providing more stable shifts until the engine warms up. Shifts may be more noticeable with a cold transmission. This difference in shifting is normal. 2-34 Driver Shift Control (DSC) The vehicle has Driver Shift Control (DSC). DSC controls the transmission and vehicle speed while driving down hill or towing a trailer by allowing you to select a desired range of gears. To use this feature: 1. Move the shift lever to the M (Manual Mode). This will force a downshift from the current gear, for gears 3 through 6. 2. Press the (+) plus or (−) minus button on the left side of the steering wheel, to select the desired range of gears for current driving conditions. When in the M (Manual Mode) a number will display next to the M, indicating the maximum available gear. The DIC display will show the message MANUAL SHIFT on the ﬁrst line and the maximum available gear will be displayed on the second line. See Driver Information Center (DIC) on page 3-46 and DIC Operation and Displays (Using DIC Buttons) on page 3-47 or DIC Operation and Displays (Using Trip Odometer Reset Stem) on page 3-52 for more information. The number displayed in the DIC is the highest gear available. The transmission will be limited to the gear selected and lower gears. Shifting will occur normally while driving, however the cluster will continue to display the maximum available gear. Higher gears will not be available unless the selection is changed to include higher gears using the (+) plus button. Grade Braking is not available when the Driver Shift Control is active. See Tow/Haul Mode on page 2-36 and Towing a Trailer on page 4-55 for more information. While using the DSC, cruise control and the tow/haul mode can be used. 2-35 Grade Braking Grade Braking is only active while the Tow/Haul Mode is selected and you are not in the Range Selection Mode. See “Tow/Haul Mode listed previously and Automatic Transmission Operation on page 2-32 for more information on the Range Selection Mode. Grade Braking assists in maintaining desired vehicle speeds when driving on downhill grades by automatically implementing a shift schedule that utilizes the engine and transmission to slow the vehicle. This reduces wear on the braking system and increases control of the vehicle. Grade Braking monitors vehicle speed, acceleration, engine torque and brake pedal usage. Using this information, it detects when the truck is on a downhill grade and the driver desires to slow the vehicle by pressing the brake. Also see Towing a Trailer on page 4-55 for more information. Tow/Haul Mode The vehicle has a tow/haul mode. The tow/haul mode adjusts the transmission shift pattern to reduce shift cycling, providing increased performance, vehicle control, and transmission cooling while towing or hauling heavy loads. Press the button located on the instrument panel to the right of the steering wheel to turn tow/haul on or off. While tow/haul is on, a light on the instrument panel cluster comes on. See Tow/Haul Mode Light on page 3-44 for more information. Also see “Tow Haul Mode” under Towing a Trailer on page 4-55 for more information. 2-36 Cruise Grade Braking Cruise Grade Braking operates while Cruise Control is engaged in Tow/Haul mode to assist in maintaining vehicle speed under loaded vehicle conditions. Cruise Grade Braking assists when driving on a downhill grade. It maintains vehicle speed by automatically implementing a shift schedule that uses the engine and the transmission to slow the vehicle. If vehicle speed is above the desired speed the transmission will downshift to slow the vehicle. If vehicle speed is near or below desired speed the trans will upshift, allowing vehicle speed to increase. While in the Range Select Mode (RSM) mode, cruise grade braking is not available. See Automatic Transmission Operation on page 2-32. Full-Time Four-Wheel Drive The Full-Time Four-Wheel Drive transfer case is designed to constantly send the engine’s driving power to all four wheels for extra traction. To get the most out of Full-Time Four-Wheel Drive, you must be familiar with its operation. Notice: Driving on pavement in Four-Wheel High Lock or Four Wheel Low Lock for extended periods may cause premature wear on the vehicle powertrain and tires. Do not drive in Four-Wheel High Lock or Four-Wheel Low Lock on pavement for extended periods. 2-37 Transfer Case Dial The transfer case dial is located to the right of the instrument panel cluster. Use this switch to shift into and out of the different Full-Time Four-Wheel Drive modes. The transfer case is a part of the Full-Time Four-Wheel Drive system and allows the following four different modes of operation: 4 m (Full-Time Four-Wheel Drive): This setting is used for driving in most street and highway situations. It can be used for light or variable off-road conditions. 4 m Q (Four-Wheel-High Lock): Use this mode when you need extra traction in most off-road situations such as sand, mud, snow, or level, rocky trails. 4 n Q (Four-Wheel-Low Lock): This mode delivers extra torque to all four wheels and is used for extreme off-road conditions. Choose Four-Wheel-Low Lock while driving off-road in deep sand, mud, or snow and climbing or descending steep hills. When in this mode you can also choose to lock the rear axle for additional traction in extreme off-road situations. See Locking Rear Axle on page 4-10. Notice: Operating the vehicle in Four-Wheel-Low Lock above 50 mph (80 km/h) for any extended period of time could cause damage to the transfer case. Do not operate the vehicle in Four-Wheel-Low Lock above 50 mph (80 km/h) for extended periods. { CAUTION: Shifting the transfer case to N (Neutral) can cause the vehicle to roll even if the transmission is in P (Park). You or someone else could be seriously injured. Be sure to set the parking brake before placing the transfer case in N (Neutral). See Parking Brake on page 2-42. 2-38 N (Neutral): Shift the transfer case to N (Neutral) only when towing the vehicle. See Recreational Vehicle Towing on page 4-50 or Towing Your Vehicle on page 4-50 for more information. Indicator lights in the dial show which mode you are in. The indicator lights will come on brieﬂy when you turn on the ignition and one will stay on. If the lights do not come on, take the vehicle to your dealer/retailer for service. An indicator light will ﬂash while shifting the transfer case. It will remain on when the shift is complete. If the transfer case cannot make a requested shift, it will return to the last chosen setting. If the SERVICE 4WD message stays on, you should take the vehicle to your dealer/retailer for service. See “Service 4WD message” under Driver Information Center (DIC) on page 3-46. Shifting between Four-Wheel High and Four-Wheel-High Lock With the vehicle traveling less than 40 mph (64 km/h), turn the dial to the Four-Wheel High or Four-Wheel-High Lock position. The indicator light on the dial will ﬂash while shifting. It will remain on when the shift is complete. It may be necessary to drive backwards for a short distance of 25 feet (7.5 m) to get the lock feature to disengage. Shifting into Four-Wheel-Low Lock To shift into Four-Wheel-Low Lock, the ignition must be in ON/RUN and the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in N (Neutral). The preferred method for shifting into Four-Wheel Low Lock is to have the vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Turn the dial to the Four-Wheel-Low Lock position. You must wait for the Four-Wheel-Low Lock indicator light on the dial to stop ﬂashing and remain lit before shifting the transmission in gear. When the transfer case is shifted into the Four-Wheel-Low Lock position a StabiliTrak® indicator light will come on to show that the system has been turned off and a message will show in the DIC. See DIC Warnings and Messages on page 3-56 for more information. Notice: Shifting the transmission into gear before the indicator light stops ﬂashing could cause damage to the transfer case. Always wait until the indicator light stops ﬂashing before putting the transmission back in gear. It is normal for the vehicle to have engagement noise and bump when shifting between Four-Wheel Low Lock, Full-Time Four-Wheel Drive or Four-Wheel-High Lock ranges or from N (Neutral) with the engine running. 2-39 If the Four-Wheel-Low Lock position is selected when the vehicle is in gear and/or moving, the Four-Wheel Low Lock indicator light will ﬂash for 15 seconds and not complete the shift unless the vehicle is moving less than 3 mph (5 km/h) and the transmission is in N (Neutral). After 15 seconds the transfer case will return to the setting last chosen. Shifting Out of Four-Wheel Low Lock To shift from Four-Wheel-Low Lock to Full-Time Four-Wheel Drive or Four-Wheel-High Lock, the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in N (Neutral) and the ignition in ON/RUN. The preferred method for shifting out of Four-Wheel-Low Lock is to have the vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Turn the dial to the Full-Time Four-Wheel Drive or Four-Wheel-High Lock position. You must wait for the Full-Time Four-Wheel Drive or Four-Wheel-High Lock indicator light to stop ﬂashing and remain lit before shifting the transmission into gear. It is normal for the vehicle to have engagement noise and bump when shifting between Four-Wheel Low Lock, Full-Time Four-Wheel Drive or Four-Wheel-High Lock ranges or from N (Neutral) with the engine running. If the Full-Time Four-Wheel Drive or Four-Wheel-High Lock position is selected when the vehicle is in gear and/or moving, the Full-Time Four-Wheel Drive or Four-Wheel-High Lock indicator light will ﬂash for 30 seconds but will not complete the shift unless the vehicle is moving less than 3 mph (5 km/h) and the transmission is in N (Neutral). Notice: Shifting the transmission into gear before the indicator light stops ﬂashing could cause damage to the transfer case. Always wait until the indicator light stops ﬂashing before putting the transmission back in gear. 2-40 Shifting into Neutral To shift the transfer case to N (Neutral) do the following: 1. Make sure the vehicle is parked so that it will not roll. 2. Set the parking brake and apply the regular brake pedal. See Parking Brake on page 2-42. 3. Start the vehicle or turn the ignition to ON/RUN. 4. Put the transmission in N (Neutral). 5. Shift the transfer case to Full-Time Four-Wheel Drive. 6. Turn the transfer case dial clockwise to N (Neutral) position. The transfer case will not shift to N (Neutral) unless this position is held for 10 seconds. The N (Neutral) light will come on and then the dial can be slowly released. The dial will be in the Four-Wheel Low Lock position but the transfer case will be in N (Neutral) with the N (Neutral) light on. 7. If the engine is running, make sure that the transfer case is in N (Neutral) by shifting the transmission to R (Reverse) for one second, then shift the transmission to D (Drive) for one second. 8. Turn the ignition to ACC/ACCESSORY, which will turn the engine off. 9. Place the transmission shift lever in P (Park). 10. Release the parking brake prior to moving the vehicle. 11. Turn the ignition to LOCK/OFF. Shifting Out of Neutral To shift out of N (Neutral) do the following: 1. Set the parking brake and apply the regular brake pedal. 2. Shift the transmission to N (Neutral) and turn the ignition to ON/RUN with the engine off. 3. Turn the transfer case dial to Full-Time Four-Wheel Drive, Four-Wheel High Lock or Four-Wheel Low Lock. After the transfer case has shifted out of N (Neutral) the N (Neutral) light will go out. 4. Release the parking brake prior to moving the vehicle. Notice: Shifting the transmission into gear before the requested mode indicator light has stopped ﬂashing could damage the transfer case. To help avoid damaging the vehicle, always wait for the mode indicator lights to stop ﬂashing before shifting the transmission into gear. 5. Start the engine and shift the transmission to the desired position. 2-41 Parking Brake To set the parking brake, hold the regular brake pedal down and push down the parking brake pedal. A chime will activate and the warning light will ﬂash when the parking brake is applied and the vehicle is moving at least 3 mph (5 km/h) for at least three seconds. To release the parking brake, hold the regular brake pedal down. Pull the bottom edge of the lever, located above the parking brake pedal, with the parking brake symbol, to release the parking brake. If the ignition is on when the parking brake is released, the brake system warning light will go off. Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Make sure that the parking brake is fully released and the brake warning light is off before driving. If you are towing a trailer and are parking on any hill, see Towing a Trailer on page 4-55. 2-42 Shifting Into Park { CAUTION: It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake ﬁrmly set. The vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, use the steps that follow. If you are pulling a trailer, see Towing a Trailer on page 4-55. 1. Hold the brake pedal down and set the parking brake. See Parking Brake on page 2-42 for more information. 2. Move the shift lever into P (Park) by pressing the button on the shift lever and pushing the lever all the way toward the front of the vehicle. 3. Turn the ignition key to LOCK/OFF. 4. Remove the key and take it with you. If you can leave the vehicle with the key, the vehicle is in P (Park). Leaving the Vehicle With the Engine Running { CAUTION: It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake ﬁrmly set. And, if you leave the vehicle with the engine running, it could overheat and even catch ﬁre. You or others could be injured. Do not leave the vehicle with the engine running. If you have to leave the vehicle with the engine running, be sure the vehicle is in P (Park) and the parking brake is ﬁrmly set before you leave it. After you have moved the shift lever into P (Park), hold the regular brake pedal down. Then, see if you can move the shift lever away from P (Park) without ﬁrst pressing the button on the console shift lever. If you can, it means that the shift lever was not fully locked into P (Park). 2-43 Torque Lock If you are parking on a hill and you do not shift the transmission into P (Park) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may ﬁnd it difficult to pull the shift lever out of P (Park). This is called “torque lock.” To prevent torque lock, set the parking brake and then shift into P (Park) properly before you leave the driver seat. To ﬁnd out how, see Shifting Into Park on page 2-43. When you are ready to drive, move the shift lever out of P (Park) before you release the parking brake. If torque lock does occur, you may need to have another vehicle push yours a little uphill to take some of the pressure from the parking pawl in the transmission, so you can pull the shift lever out of P (Park). Shifting Out of Park The vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: (cid:129) Prevent ignition key removal unless the shift lever is in P (Park) with the shift lever button fully released, and (cid:129) Prevent movement of the shift lever out of P (Park), unless the ignition is in ON/RUN or ACC/ACCESSORY and the regular brake pedal is applied. The shift lock release is always functional except in the case of an uncharged or low voltage (less than 9 volt) battery. If the vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting on page 5-42 for more information. To shift out of P (Park): 1. Apply the brake pedal. 2. Press the shift lever button. 3. Move the shift lever to the desired position. If you still are unable to shift out of P (Park): 1. Fully release the shift lever button. 2. While holding down the brake pedal, press the shift lever button again. 3. Move the shift lever to the desired position. If you still cannot move the shift lever from P (Park), see your dealer/retailer. 2-44 Parking Over Things That Burn CAUTION: (Continued) { CAUTION: Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. Engine Exhaust { CAUTION: Engine exhaust contains Carbon Monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. CAUTION: (Continued) Exhaust may enter the vehicle if: (cid:129) The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbody airﬂow or tail pipes). (cid:129) The exhaust smells or sounds strange or (cid:129) The exhaust system leaks due to corrosion or different. damage. (cid:129) The vehicle’s exhaust system has been modiﬁed, damaged or improperly repaired. (cid:129) There are holes or openings in the vehicle body from damage or after-market modiﬁcations that are not completely sealed. If unusual fumes are detected or if it is suspected that exhaust is coming into the vehicle: (cid:129) Drive it only with the windows completely down. (cid:129) Have the vehicle repaired immediately. Never park the vehicle with the engine running in an enclosed area such as a garage or a building that has no fresh air ventilation. 2-45 Running the Vehicle While Parked It is better not to park with the engine running. But if you ever have to, here are some things to know. { CAUTION: Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhaust may enter the vehicle. Engine exhaust contains Carbon Monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death. Never run the engine in an enclosed area that has no fresh air ventilation. For more information, see Engine Exhaust on page 2-45. { CAUTION: It can be dangerous to get out of the vehicle if the automatic transmission shift lever is not fully in P (Park) with the parking brake ﬁrmly set. CAUTION: (Continued) 2-46 CAUTION: (Continued) The vehicle can roll. Do not leave the vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). { CAUTION: Full-time four-wheel drive vehicles with the transfer case in (N) Neutral will allow the vehicle to roll, even if the automatic transmission shift lever is in P (Park). So, be sure the transfer case is in a drive gear — not in (N) Neutral. Always set the parking brake. Follow the proper steps to be sure the vehicle will not move. See Shifting Into Park on page 2-43. If pulling a trailer, see Towing a Trailer on page 4-55. Mirrors Outside Power Foldaway Mirrors Automatic Dimming Rearview Mirror The vehicle has an automatic dimming rearview mirror. It may also have an OnStar® system. OnStar control buttons are located at the bottom of the mirror. See OnStar® System on page 2-54 for more information about the services OnStar provides. O (On/Off): Press to turn the automatic dimming feature on or off. Your vehicle may also have a Rear Vision Camera. See Rear Vision Camera (RVC) on page 2-50 for more information. Cleaning the Mirror Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water. If your vehicle has outside power foldaway mirrors, the controls are located on the driver’s door armrest. Mirror Adjustment 1. Press (A) or (B) to select the driver or passenger side mirror. 2. Press one of the four arrows located on the control pad to move the mirror to the desired position. 3. Adjust each outside mirror so that a little of the vehicle and the area behind can be seen. 2-47 4. Press (C), to fold the mirrors out to the driving position. 5. Press (D) to fold the mirrors in to the folded position. If the mirrors are accidentally folded/unfolded manually, they may shake or ﬂutter at normal driving speeds and may not stay in the unfolded position. If this happens, you will need to reset the mirrors. See “Resetting the Power Foldaway Mirrors” next. Resetting the Power Foldaway Mirrors You will need to reset the power foldaway mirrors if the following occurs: The mirrors are accidentally obstructed while folding. They are accidentally manually folded/unfolded. The mirrors will not stay in the unfolded position. The mirrors shake and ﬂutter at normal driving speeds. To reset the power foldaway mirrors, fold and unfold them three times using the mirror controls. This will reset them to their normal position. Outside Automatic Dimming Mirror If the vehicle has this feature, the driver outside mirror adjusts for the glare of the headlamps behind you. See Automatic Dimming Rearview Mirror on page 2-47 for more information. Park Tilt Mirrors The vehicle’s outside mirrors can also perform a park tilt function. This causes the passenger and/or driver’s mirror to tilt to a preselected position when the vehicle is in R (Reverse). This feature may be useful in viewing the curb when parallel parking. When the vehicle is shifted out of R (Reverse) and a short delay has occurred, the passenger and/or driver’s mirror will return to its original position. To change the preselected tilt position, adjust the mirrors to the desired position while the vehicle is in R (Reverse). When the vehicle is shifted out of R (Reverse), this new position is saved in memory as the tilt position. This feature can be enabled/disabled through the Driver Information Center. See DIC Vehicle Customization on page 3-64 for more information. 2-48 (cid:129) (cid:129) (cid:129) (cid:129) Outside Convex Mirror { CAUTION: A convex mirror can make things (like other vehicles) look farther away than they really are. If you cut too sharply into the right lane, you could hit a vehicle on the right. Check the inside mirror or glance over your shoulder before changing lanes. The passenger side mirror is convex shaped. A convex mirror’s surface is curved so more can be seen from the driver seat. Outside Heated Mirrors The vehicle may have outside heated mirrors which help clear them of condensation, snow, and ice. When the rear window defogger button is pressed, the heated mirrors are also turned on. See “Rear Window Defogger” under Dual Automatic Climate Control System on page 3-22 for more information. 2-49 Object Detection Systems Rear Vision Camera (RVC) This vehicle may have a Rear Vision Camera system. Read this entire section before using it. { CAUTION: The Rear Vision Camera (RVC) system does not replace driver vision. RVC does not: (cid:129) Detect objects that are outside the camera’s ﬁeld of view, below the bumper, or underneath the vehicle. (cid:129) Detect children, pedestrians, bicyclists, or pets. CAUTION: (Continued) 2-50 CAUTION: (Continued) Do not back the vehicle by only looking at the rear vision camera screen, or use the screen during longer, higher speed backing maneuvers or where there could be cross-traffic. Your judged distances using the screen will differ from actual distances. So if you do not use proper care before backing up, you could hit a vehicle, child, pedestrian, bicyclist, or pet, resulting in vehicle damage, injury, or death. Even though the vehicle has the RVC system, always check carefully before backing up by checking behind and around the vehicle. Vehicles Without Navigation System The rear vision camera system is designed to help the driver when backing up by displaying a view of the area behind the vehicle. When the key is in the ON/RUN position and the driver shifts the vehicle into R (Reverse), the video image automatically appears on the inside rear view mirror. Once the driver shifts out of R (Reverse), the video image automatically disappears from the inside rear view mirror. Turning the Rear Vision Camera System Off or On To turn off the rear vision camera system, press and hold z, located on the inside rearview mirror, until the left indicator light turns off. The rear camera vision display is now disabled. To turn the rear vision camera system on again, press and hold z until the left indicator light illuminates. The rear vision camera system display is now enabled and the display will appear in the mirror normally. Vehicles With Navigation System The rear vision camera system is designed to help the driver when backing up by displaying a view of the area behind the vehicle. When the driver shifts the vehicle into R (Reverse), the video image automatically appears on the navigation screen. Once the driver shifts out of R (Reverse), the navigation screen will go back to the last screen that had been displayed, after a delay. Turning the Rear Vision Camera System On or Off To turn the rear vision camera system on or off: 1. Shift into P (Park). 2. Press the MENU button to enter the conﬁgure menu options, then press the MENU hard key to select Display or touch the Display screen button. 3. Select the Rear Camera Options screen button. The Rear Camera Options screen will display. 4. Select the Video screen button. When the Video screen button is highlighted the RVC system is on. The delay that is received after shifting out of R (Reverse) is approximately 10 seconds. The delay can be cancelled by performing one of the following: (cid:129) Pressing a hard key on the navigation system. (cid:129) Shifting in to P (Park). (cid:129) Reach a vehicle speed of 5 mph (8 km/h). There is a message on the rear vision camera screen that states “Check Surroundings for Safety”. 2-51 Adjusting the Brightness and Contrast of the Screen To adjust the brightness and contrast of the screen, press the MENU button while the rear vision camera image is on the display. Any adjustments made will only affect the rear vision camera screen. ] (Brightness): Touch the + (plus) or – (minus) screen buttons to increase or decrease the brightness of the screen. _ (Contrast): Touch the + (plus) or – (minus) screen buttons to increase or decrease the contrast of the screen. Rear Vision Camera Error Messages Service Rear Vision Camera System: This message can display when the system is not receiving information it requires from other vehicle systems. If any other problem occurs or if a problem persists, see your dealer/retailer. 2-52 Rear Vision Camera Location The image is provided by the camera located on the rear bumper. The camera uses a special lens. The distance of the image that appears on the screen differs from the actual distance. The area displayed by the camera is limited. The camera does not display objects which are close to either corner of the bumper or under the bumper. The spare tire and carrier extends rearward of the rear bumper. The area displayed on the screen can vary according to vehicle orientation or road conditions. The following illustration shows the ﬁeld of view that the camera provides. Notice: The spare tire extends farther away from rear of the vehicle than the trailer hitch shown on rear vision camera display. The spare tire could hit an object even though there appears to be enough distance on the display between the trailer hitch and objects behind you causing vehicle or property damage. Do not use this system to judge the distance between the spare tire and objects behind you. When the System Does Not Seem To Work Properly The rear vision camera system might not work properly or display a clear image if: The RVC is turned off. See “Turning the Rear Camera System On or Off” earlier in this section. It is dark. The sun or the beam of headlights is shining directly into the camera lens. Ice, snow, mud, or anything else builds up on the camera lens. Clean the lens, rinse it with water, and wipe it with a soft cloth. The back of the vehicle is in an accident, the

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2009 Hummer H2 Owners Manual