2011 Chevrolet Tahoe Owners Manual

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Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) 2011 Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid M In Brief . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Initial Drive Information . . . . . . . . 1-1 Hybrid Features . . . . . . . . . . . . . . . 1-2 Performance and Maintenance . . . . . . . . . . . . . . . . . 1-5 Seats and Restraints . . . . . . . . . 3-1 Front Seats . . . . . . . . . . . . . . . . . . . . 3-1 Airbag System . . . . . . . . . . . . . . . . . 3-2 Instruments and Controls . . . . 5-1 Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2 Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . 5-3 Information Displays . . . . . . . . . . 5-11 Vehicle Messages . . . . . . . . . . . . 5-12 Infotainment System . . . . . . . . . 7-1 Introduction . . . . . . . . . . . . . . . . . . . . 7-1 Climate Controls . . . . . . . . . . . . . 8-1 Climate Control Systems . . . . . . 8-1 Driving and Operating . . . . . . . . 9-1 Driving Information . . . . . . . . . . . . . 9-1 Starting and Operating . . . . . . . . . 9-2 Engine Exhaust . . . . . . . . . . . . . . . . 9-6 Automatic Transmission . . . . . . . 9-7 Drive Systems . . . . . . . . . . . . . . . . 9-10 Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-15 Towing . . . . . . . . . . . . . . . . . . . . . . . 9-16 Vehicle Care . . . . . . . . . . . . . . . . . 10-1 Vehicle Checks . . . . . . . . . . . . . . . 10-2 Bulb Replacement . . . . . . . . . . 10-13 Electrical System . . . . . . . . . . . . 10-14 Wheels and Tires . . . . . . . . . . . 10-17 Jump Starting . . . . . . . . . . . . . . . 10-32 Towing . . . . . . . . . . . . . . . . . . . . . . 10-36 Appearance Care . . . . . . . . . . . 10-40 Service and Maintenance . . . 11-1 Scheduled Maintenance . . . . . . 11-1 Recommended Fluids, Lubricants, and Parts . . . . . . . 11-1 Technical Data . . . . . . . . . . . . . . . 12-1 Vehicle Data . . . . . . . . . . . . . . . . . . 12-2 Index . . . . . . . . . . . . . . . . . . . . . i-1 Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) ii Introduction The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, CHEVROLET, GMC, the CHEVROLET and GMC Truck Emblems, TAHOE, YUKON, and DENALI are trademarks and/or service marks of General Motors LLC, its subsidiaries, affiliates, or licensors. This manual describes features that may or may not be on your specific vehicle either because they are options that you did not purchase or due to changes subsequent to the printing of this owner manual. Please refer to the purchase documentation relating to your specific vehicle to confirm each of the features found on your vehicle. For vehicles first sold in Canada, substitute the name “General Motors of Canada Limited” for Chevrolet Motor Division and/or GMC wherever it appears in this manual. Keep this manual in the vehicle for quick reference. Introduction Your hybrid SUV is designed to be more fuel efficient than the standard SUV, which results in reduced carbon dioxide emissions. Canadian Vehicle Owners Propriétaires Canadiens A French language copy of this manual can be obtained from your dealer or from: On peut obtenir un exemplaire de ce guide en français auprès du concessionnaire ou à l'adresse suivante: Helm, Incorporated P.O. Box 07130 Detroit, MI 48207 1-800-551-4123 Numéro de poste 6438 de langue française www.helminc.com Litho in U.S.A. Part No. 25965923 A First Printing ©2010 General Motors LLC. All Rights Reserved. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (3,1) Introduction iii Using this Supplement This supplement contains information specific to the unique components of the vehicle. It does not explain everything you need to know about the vehicle. Read this supplement along with the owner manual to learn about the vehicle's features and controls. Index A good place to look for what you need is the Index in back of this supplement. It is an alphabetical list of what is in the supplement, and the page number where you will find it. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (4,1) iv Introduction 2 NOTES Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) In Brief Initial Drive Information Transmission . . . . . . . . . . . . . . . . . . 1-1 Four-Wheel Drive . . . . . . . . . . . . . 1-1 Hybrid Features Initial Drive Information Transmission Range Selection Mode High Voltage Safety Information . . . . . . . . . . . . . . . . . . 1-2 Fuel Economy Gauge . . . . . . . . . 1-3 Automatic Engine Start/Stop Feature . . . . . . . . . . . . . . . . . . . . . . 1-3 Regenerative Braking . . . . . . . . . 1-4 Battery . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Service . . . . . . . . . . . . . . . . . . . . . . . 1-4 Performance and Maintenance Tire Sealant and Compressor Kit . . . . . . . . . . . . . . 1-5 The Range Selection Mode switch is located on the shift lever. To enable the Range Selection feature, move the column shift lever to the M (Manual) position. The current range will appear next to the M. This is the highest attainable range with all lower gears accessible. As an In Brief 1-1 example, when 3 (Third) gear is selected, 1 (First) through 3 (Third) gears are available. Press the plus/minus buttons, located on the steering column shift lever, to select the desired range of gears for current driving conditions. See Automatic Transmission Operation in the owner manual. Cruise control can be used while the vehicle is in Range Selection Mode. See Manual Mode on page 9‑9. Four-Wheel Drive If the vehicle has four-wheel drive, you can send the engine's driving power to all four wheels for extra traction. Read the following before using four-wheel drive. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) 1-2 In Brief Automatic Transfer Case The transfer case knob is located to the left of the instrument panel cluster. You can choose among five driving settings: 2 m (Two-Wheel Drive High): This setting is used for driving in most street and highway situations. AUTO (Automatic Four-Wheel Drive): This setting is ideal for use when road surface traction conditions are variable. 4 m (Four-Wheel Drive High): Use the four-wheel high position when you need extra traction, such as on snowy or icy roads or in most off-road situations. 4 n (Four-Wheel Drive Low) : This setting delivers extra torque. You might choose Four-Wheel Drive Low if you are driving off-road in deep sand, deep mud, deep snow, and while climbing or descending steep hills. N (Neutral): Shift the vehicle's transfer case to N (Neutral) only when towing the vehicle. See Recreational Vehicle Towing on page 10‑36 and “Towing the Vehicle” in the owner manual. See Four-Wheel Drive on page 9‑10. Hybrid Features High Voltage Safety Information This vehicle has a standard 12-volt battery and a high voltage hybrid battery. Only a trained service technician with the proper knowledge and tools should inspect, test, or replace the hybrid battery. See your dealer if the hybrid battery needs service. The 12-volt battery cables, in the engine compartment, are clearly labeled. In emergency situations, first responders can cut those cables to disable the high voltage hybrid battery system. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (3,1) This gauge shows when the vehicle is operating at a fuel efficient point. By modifying driving behavior to increase the economy time during driving, fuel mileage will be improved. See Fuel Economy Gauge on page 5‑6. Automatic Engine Start/ Stop Feature Start the engine as you would any other engine. See “Starting the Engine” in the owner manual for more information on starting. The hybrid system provides very quiet engine starting. If pulling a trailer with trailer brakes, see Trailer Towing on page 9‑16 for more information. In Brief 1-3 Auto Stop The vehicle has an Auto Stop feature. After a successful engine start, the engine may turn off and operate in the Auto Stop mode. Keep your foot firmly on the brake pedal until you are ready for the vehicle to move. Engine OFF and AUTO STOP modes are indicated on the tachometer display. When the tachometer needle indicates OFF, the engine is not running and will remain off until the ignition key is placed in the START position or a remote vehicle start is performed. When the tachometer needle indicates AUTO STOP, the hybrid system is on, the engine is not running, but may Auto Start at any time without notice. See Tachometer on page 5‑4 for more information. Fuel Economy Gauge United States Canada Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (4,1) 1-4 In Brief A chime will sound if the driver door is opened while in Auto Stop as a reminder that the ignition switch is not in the LOCK/OFF position. Always turn the ignition switch to LOCK/OFF and remove the key from the ignition switch when exiting the vehicle. Auto Start The vehicle also has an Auto Start feature. The engine will remain off while in Auto Stop mode until vehicle conditions require the engine to run. The near-instant starting of the engine from Auto Stop mode is called Auto Start. EV Mode The vehicle also has an EV mode which uses only the electric motor to move the vehicle. With light acceleration, the vehicle will drive in EV mode. EV mode is unavailable when the vehicle is out of fuel. For more information on Auto Stop, Auto Start, and EV Mode, see Starting the Vehicle on page 9‑2. Regenerative Braking Regenerative braking enables the electric drive motor to operate as a generator when coasting or braking. Energy from the moving vehicle recharges the hybrid battery. The hydraulic disc brakes work with the regenerative braking to insure effective braking. The braking system is computer controlled and blends the regenerative braking with the conventional hydraulic disc brakes to meet any requirements for deceleration. Because the controller applies the hydraulic brakes through its high pressure accumulator, you may occasionally hear the motor driven pump when it recharges the system. This is normal. In the event of a controller problem, the brake pedal may be harder to push and the stopping distance may be longer. See Regenerative Braking on page 9‑15. Battery This vehicle has a standard 12-volt battery and a high voltage hybrid battery. When a new standard 12-volt battery is needed, see your dealer for one that has the replacement number shown on the original battery's label. Only a trained service technician with the proper knowledge and tools should inspect, test, or replace the hybrid battery. See your dealer if the hybrid battery needs service. See Battery on page 10‑12. Service Never try to do your own service on hybrid components. You can be injured and the vehicle can be damaged if you try to do your own service work. Service and repair of these hybrid components should only be performed by a trained service technician with the proper knowledge and tools. See Doing Your Own Service Work on page 10‑2. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (5,1) In Brief 1-5 Performance and Maintenance Tire Sealant and Compressor Kit This vehicle has a tire sealant and compressor kit that can be used to seal small punctures in the tread area of the tire. See Tire Sealant and Compressor Kit on page 10‑24 for complete operating information. If the vehicle came with a jack and spare tire, see If a Tire Goes Flat on page 10‑22. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (6,1) 1-6 In Brief 2 NOTES Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) Seats and Restraints 3-1 Your vehicle may have additional features to adjust the power seat: . Raise or lower the front part of the seat cushion by moving the front of the control up or down. . Raise or lower the entire seat by moving the rear of the control up or down. Lumbar Adjustment (Tahoe and Yukon Hybrid) Increase or decrease lumbar support by turning the control (B) forward or rearward. Seats and Restraints Front Seats Front Seats Power Seat Adjustment (Tahoe and Yukon Hybrid) Power Seat Adjustment (Tahoe and Yukon Hybrid) . . . . . . . . . . . 3-1 Lumbar Adjustment (Tahoe and Yukon Hybrid) . . . . . . . . . . . . . . . 3-1 Reclining Seatbacks (Tahoe and Yukon Hybrid) . . . . . . . . . . . 3-2 Airbag System Replacing Airbag System Parts After a Crash . . . . . . . . . . . . . . . . 3-2 A. Power Seat Adjustment Control B. Manual Lumbar Control C. Manual Reclining Seatback Lever Adjust the seat forward or rearward by sliding the control (A) forward or rearward. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) To operate the vehicle, the automatic hybrid battery disconnect must be reconnected by a qualified service technician and sensing system parts will need to be replaced. Have the vehicle serviced right away. 3-2 Seats and Restraints Reclining Seatbacks (Tahoe and Yukon Hybrid) To recline the seatback: 1. Lift the reclining seatback lever (C). 2. Move the seatback to the desired position, then release the lever to lock the seatback in place. 3. Push and pull on the seatback to make sure it is locked. To return the seatback to an upright position: 1. Lift the lever fully without applying pressure to the seatback and the seatback will return to the upright position. 2. Release the lever to lock the seatback in place. 3. Push and pull on the seatback to make sure it is locked. Airbag System Replacing Airbag System Parts After a Crash If an airbag inflates or the vehicle has been in a crash, the vehicle's sensing system may command the automatic hybrid battery disconnect to open. When the battery disconnect is open, the hybrid battery will be off and the vehicle will not start. The airbag readiness light and/or SERVICE HYBRID SYSTEM warning message may come on in the Driver Information Center (DIC). See “Airbag Readiness Light” in the owner manual and Driver Information Center (DIC) on page 5‑11 for more information. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) Instruments and Controls 5-1 Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . 5-9 Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-10 StabiliTrak® OFF Light . . . . . . . 5-10 Engine Oil Pressure Light . . . . 5-11 Information Displays Driver Information Center (DIC) . . . . . . . . . . . . . . . . 5-11 Vehicle Messages Vehicle Messages . . . . . . . . . . . 5-12 Battery Voltage and Charging Messages . . . . . . . . . . . . . . . . . . 5-12 Brake System Messages . . . . 5-12 Door Ajar Messages . . . . . . . . . 5-13 Engine Oil Messages . . . . . . . . 5-13 Service Vehicle Messages . . . 5-13 Transmission Messages . . . . . 5-13 Instruments and Controls Controls Power Outlets . . . . . . . . . . . . . . . . . 5-2 Warning Lights, Gauges, and Indicators Instrument Cluster . . . . . . . . . . . . 5-3 Tachometer . . . . . . . . . . . . . . . . . . . 5-4 Fuel Gauge . . . . . . . . . . . . . . . . . . . 5-4 Fuel Economy Gauge . . . . . . . . . 5-6 Engine Oil Pressure Gauge . . . 5-6 Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . . 5-8 Charging System Light . . . . . . . . 5-8 Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) 5-2 Instruments and Controls Controls Power Outlets Power Outlet Alternating Current The vehicle may have a power outlet that can be used to plug in electrical equipment that uses a maximum limit of 150 watts. An indicator light on the outlet comes on when in use. The ignition must be in ON/RUN and equipment requiring less than 150 watts is plugged into the outlet, and no system fault is detected. If equipment is connected using more than 150 watts, or a system fault is detected, a protection circuit shuts off the power supply and the indicator light turns off. To reset the circuit, unplug the item and plug it back in or turn the Retained Accessory Power (RAP) off and then back on. The power restarts when equipment using 150 watts or less is plugged into the outlet and a system fault is not detected. The power outlet is not designed for and may not work properly if the following are plugged in: . Equipment with high initial peak wattage such as: compressor-driven refrigerators and electric power tools. . Other equipment requiring an extremely stable power supply such as: microcomputer-controlled electric blankets, touch sensor lamps, etc. See High Voltage Devices and Wiring on page 10‑14. The power outlet is located in the rear cargo area on the driver side. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (3,1) Warning Lights, Gauges, and Indicators Instrument Cluster Instruments and Controls 5-3 English version shown, Metric similar Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (4,1) 5-4 Instruments and Controls Tachometer English Version shown, Metric similar When the gas engine is off and the key is in the ON/RUN position, the position of the tachometer indicator shows the state of the vehicle: . AUTO STOP position indicates that the vehicle is still able to move and the engine could restart, by an Auto Start, at any time. . OFF position indicates that the vehicle is off. When the engine is on, the tachometer indicator shows the engine's revolutions per minute (rpm). Fuel Gauge Metric English Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (5,1) Instruments and Controls 5-5 When the ignition is on, the fuel gauge shows approximately how much fuel is left in the tank. The gauge will first indicate E (empty) before it is out of fuel, but the vehicle should be refueled as soon as possible. An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on. Listed are four situations that may occur with the fuel gauge, none of these indicate a problem: . At the gas station, the fuel pump shuts off before the gauge reads F (full). It takes a little more or less fuel to fill up than the fuel gauge indicated. For example, the gauge may have indicated the tank was half full, but it actually took a little more or less than half the tank's capacity to fill the tank. The gauge moves a little while turning a corner or speeding up. The gauge does not go back to E (empty) when the ignition is turned off. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (6,1) 5-6 Instruments and Controls Engine Oil Pressure Gauge Metric This gauge shows displays how efficiently the vehicle is being driven. There are three zones on the drive efficiency gauge. Green Zone: Fuel efficient driving behavior makes the indicator display in the green zone on the gauge. White Zones: Decreased fuel efficiency driving behavior makes the indicator display in the two white zones. The indicator in the white zone on the left side of the gauge indicates decreased fuel efficiency with a large amount of decelerations. The indicator in the white zone on the right side of the gauge indicates decreased fuel efficiency with a large amount of accelerations. Fuel Economy Gauge Metric English Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (7,1) Instruments and Controls 5-7 A reading in the low pressure zone may be caused by a dangerously low oil level or some other problem causing low oil pressure. Check the oil as soon as possible. { WARNING Do not keep driving if the oil pressure is low. The engine can become so hot that it catches fire. Someone could be burned. Check the oil as soon as possible and have the vehicle serviced. Notice: Lack of proper engine oil maintenance can damage the engine. The repairs would not be covered by the vehicle warranty. Always follow the maintenance schedule for changing engine oil. AUTO STOP When the engine goes into Automatic Engine Stop, the oil pressure gauge drops to zero when the tachometer is at the AUTO STOP position. This is normal and oil pressure returns to the normal operating range once the engine starts. See Starting the Vehicle on page 9‑2 for more information. AUTO STOP displays in the Driver Information Center (DIC) when the vehicle speed is zero. See Driver Information Center (DIC) on page 5‑11 for more information. English The oil pressure gauge shows the engine oil pressure in psi (pounds per square inch) when the engine is running. Canadian vehicles indicate pressure in kPa (kilopascals). Oil pressure should be 200 to 550 kPa (29 to 80 psi). In certain situations, such as long extended idles on hot days, it could read as low as 105 kPa (15 psi) and still be considered normal. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (8,1) 5-8 Instruments and Controls Engine Coolant Temperature Gauge Charging System Light United States Canada This gauge shows the engine coolant temperature. It also provides an indicator of how hard the vehicle is working. During a majority of the operation, the gauge reads 100°C (210°F) or less. If a load is being pulled or going up hills, it is normal for the temperature to fluctuate and go over the 113°C (235°F) mark. However, if the gauge reaches the 125°C (260°F) mark, it indicates that the cooling system is working beyond its capacity. This 12‐volt battery light comes on briefly when the ignition is turned to ON/RUN, but the engine is not running, as a check to show it is working. It should go out once the engine has been started. If it stays on, or comes on while driving, there could be a problem with the 12‐volt charging system. Have the vehicle serviced by your dealer. A 12‐volt charging system Driver Information Center (DIC) message may also appear. See Driver Information Center (DIC) on page 5‑11 for more information. This light could indicate that there are electrical problems. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (9,1) Instruments and Controls 5-9 Have it checked right away. If a short distance must be driven with the light on, be certain to turn off all the accessories. Brake System Warning Light With the ignition in ON/RUN, the brake system warning light comes on when the parking brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds when the vehicle speed is greater than 8 km/h (5 mph). The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working. If the warning light comes on and a chime sounds there could be a brake problem. Have the brake system inspected right away. This light also comes on due to low brake fluid. See the owner manual for more information. Metric English This light should come on briefly when the ignition key is turned to ON/RUN. If it does not come on then, have it fixed so it will be ready to warn if there is a problem. { WARNING The brake system might not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to a crash. If the light is still on after the vehicle has been pulled off the road and carefully stopped, have the vehicle towed for service. If the light comes on while driving, pull off the road and stop carefully. The pedal might be harder to push or can go closer to the floor. It may take longer to stop. If the light does not go out, have the vehicle towed for service. See General Towing Information on page 9‑16. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (10,1) 5-10 Instruments and Controls Antilock Brake System (ABS) Warning Light For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is in ON/RUN. That is normal. If the light does not come on then, have it fixed so it will be ready to warn if there is a problem. If the ABS light stays on, turn the ignition off, if the light comes on while driving, stop as soon as it is safely possible and turn the ignition off. Then start the engine again to reset the system. If the ABS light still stays on, or comes on again while driving, the vehicle needs service. If the regular brake system warning light is not on, the vehicle still has brakes, but not antilock brakes. If the regular brake system warning light is also on, the vehicle does not have antilock brakes and there is a problem with the regular brakes. See Fuel Economy Gauge on page 5‑6. See Driver Information Center (DIC) on page 5‑11 for all brake related DIC messages. StabiliTrak® OFF Light If the light comes on and stays on while driving, there could be a problem with the StabiliTrak system and the vehicle might need service. When this warning light is on, the StabiliTrak system is off and does not limit wheel spin. The light flashes if the system is active and is working to assist the driver with directional control of the vehicle in difficult driving conditions. See the owner manual for more information. For vehicles with StabiliTrak, this warning light comes on briefly when the ignition is in ON/RUN. If it does not, have the vehicle serviced by your dealer. If the system is working normally the indicator light goes off. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (11,1) Instruments and Controls 5-11 Engine Oil Pressure Light { WARNING Do not keep driving if the oil pressure is low. The engine can become so hot that it catches fire. Someone could be burned. Check the oil as soon as possible and have the vehicle serviced. Notice: Lack of proper engine oil maintenance can damage the engine. The repairs would not be covered by the vehicle warranty. Always follow the maintenance schedule for changing engine oil. This light comes on briefly as a check it works, when the ignition is in ON/RUN. If it does not, have the vehicle serviced. If the light comes on and stays on, it means that oil is not flowing through the engine properly. The vehicle could be low on oil and might have some other system problem. During an AUTO STOP there is zero oil pressure, but this light will not come on. Information Displays Driver Information Center (DIC) Trip/Fuel Menu Items Press the trip/fuel button to display the Trip/Fuel Menu items. For more items see “Driver Information Center (DIC)” in the owner manual. BATTERY VOLTAGE This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY VOLTAGE 13 VOLTS. Your vehicle's charging system regulates voltage based on the state of the battery. The battery voltage may fluctuate when viewing this information on the DIC. This is normal. See “Charging System Light” in the owner manual for more information. If there is a problem with the battery charging system, Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (12,1) 5-12 Instruments and Controls the DIC will display a message. See Battery Voltage and Charging Messages on page 5‑12. INST ECON (Instantaneous Economy) This display normally shows instantaneous fuel economy. When the vehicle is in Auto Stop mode AUTO STOP or IFE = 0 L/100km or IFE = 99 MPG will be displayed. See Starting the Vehicle on page 9‑2 for more information. Vehicle Messages Messages displayed on the DIC indicate the status of the vehicle or some action may be needed to correct a condition. Multiple messages may appear one after another. The messages that do not require immediate action can be acknowledged and cleared by pressing V (Set/Reset). The messages that require immediate action cannot be cleared until that action is performed. All messages should be taken seriously. Clearing the message does not correct the problem. The following are the possible messages for the Hybrid and some information about them. For information on other DIC messages, see “Vehicle Messages” in the owner manual. Battery Voltage and Charging Messages SERVICE BATTERY CHARGING SYSTEM If the 12V battery system faults or fails this message will appear on the DIC. The battery/charging system light will appear in the instrument panel cluster. See “Battery Warning Light” in the owner manual. Driving with this message on could drain the battery. Have the electrical system checked as soon as possible. Brake System Messages SERVICE BRAKE SYSTEM This message may be displayed if there is a problem with the brake system. You will still be able to brake, but it will be noticeably more difficult. Pull off the road to a safe location and have your vehicle towed to the nearest dealer for service. See “Brakes,” “Brake Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (13,1) System Warning Light,” and “ABS Brake System Warning Light” in the owner manual. This message may also come on when you are towing a trailer. See “Trailer Brakes” under Trailer Towing on page 9‑16 for more information. Door Ajar Messages HOOD OPEN If the hood is not fully closed or there is a problem with the hood switch, this message will be displayed. Close the hood to clear the message. If the HOOD OPEN message continues to be displayed after verifying the hood is closed, you should have the hood switch serviced. Failure to service the hood switch properly can result in an Auto Start condition. Auto Stops will be disabled when this message is displayed. If the vehicle is in auto stop mode when this message appears, the engine will instantly start. Instruments and Controls 5-13 Engine Oil Messages Transmission Messages SERVICE 4 WHEEL DRIVE This message may display if a problem occurs with the four-wheel-drive system. If this message appears, stop as soon as possible and turn off the vehicle. Make sure the key is in the LOCK/ OFF position for at least one minute and then restart the vehicle and check for the message on the DIC display. If the message is still displayed or appears again when you begin driving, the four-wheel-drive system needs service. See your dealer. OIL PRESSURE LOW STOP ENGINE If engine oil pressure is low, this message will be displayed on the DIC. Stop the vehicle as soon as safely possible and do not operate it until the cause of the low oil pressure has been corrected. Check your oil level as soon as possible and have your vehicle serviced. See “Engine Oil” in the owner manual. Service Vehicle Messages SERVICE HYBRID SYSTEM If this message is displayed on the DIC, the vehicle may continue to operate, but you need to have it serviced as soon as possible. SERVICE POWER STEERING This message displays if a problem has been detected with the electric power steering. Have your vehicle serviced by your dealer immediately. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (14,1) 5-14 Instruments and Controls 2 NOTES Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) Infotainment System Introduction Introduction . . . . . . . . . . . . . . . . . . . 7-1 Introduction For vehicles with a navigation radio system, see the Navigation System manual for more information. Infotainment System 7-1 To view the hybrid screen, press the MENU button on the radio. The hybrid screen displays when entering the Configuration Menu. The display shows: . Auto Stop . Battery Charging . Engine Idle 2‐Wheel and 4‐Wheel Drive Modes for: ‐ Engine Power ‐ Battery Power ‐ Hybrid Power Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) 7-2 Infotainment System 2 NOTES Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) Climate Controls Climate Control Systems Climate Control Systems . . . . . . 8-1 Climate Controls 8-1 At mild temperatures, select a warmer air conditioner temperature or turn the air conditioner off to get maximum fuel economy. Continuous air conditioner use can cause the vehicle to Auto Start more frequently. During hot weather, driving with the windows closed and the air conditioner set to Auto mode, will result in better Hybrid system performance. Some noise may be heard occasionally from the compressor, especially when air conditioning use is high and the engine has turned off. Climate Control Systems For more information on the vehicle's climate control system, see “Climate Control System” in the owner manual. Electric Air Conditioning Compressor This hybrid vehicle has an electrically powered air conditioning compressor. This allows for continuous air conditioning operation and passenger comfort, even while the hybrid engine cycles on and off. When operating the climate control system, select the AUTO mode and the desired temperature setting. The climate control system automatically adjusts the fan speed and airflow direction. The climate control system continues to adjust the climate control settings chosen for best use of electrical power. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) 8-2 Climate Controls 2 NOTES Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (1,1) Driving and Operating Driving Information Automatic Transmission Automatic Transmission . . . . . . . 9-7 Manual Mode . . . . . . . . . . . . . . . . . 9-9 Drive Systems Four-Wheel Drive . . . . . . . . . . . . 9-10 Steering . . . . . . . . . . . . . . . . . . . . . . . 9-1 Brakes Starting and Operating Starting the Vehicle . . . . . . . . . . . 9-2 Engine Coolant Heater . . . . . . . . 9-4 Shifting Into Park . . . . . . . . . . . . . 9-4 Engine Exhaust Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . 9-6 Regenerative Braking . . . . . . . . 9-15 Towing General Towing Information . . . . . . . . . . . . . . . . . 9-16 Trailer Towing . . . . . . . . . . . . . . . . 9-16 Towing Equipment . . . . . . . . . . . 9-17 Driving and Operating 9-1 Driving Information Steering This vehicle has On-Demand Electric-Assist Power Steering instead of conventional full-time hydraulic power steering. It uses electricity supplied by the same battery which is re-charged by the regenerative braking system. Because the system is On-Demand Electric-Assist, energy is used only when the steering wheel is turned, or when the steering gear is used to help isolate the forces of rough roads. This system does not use power steering fluid, making it maintenance-free. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (2,1) 9-2 Driving and Operating Starting and Operating Starting the Vehicle { WARNING Exiting the vehicle, without first shifting into P (Park), may cause the vehicle to move, and you or others can be seriously injured. Because the vehicle has the Automatic Engine Start/Stop feature, the vehicle’s engine might seem to be shut off when you come to a complete stop. However, once the brake pedal is released, the vehicle can move. The vehicle’s engine can also restart at any time. Shift to P (Park) and turn the ignition to LOCK/OFF, before exiting the vehicle. Start the engine as you would any other engine. See “Starting the Engine” in the owner manual for more information on starting. If pulling a trailer with trailer brakes, see Towing Equipment on page 9‑17 for more information. Auto Stop The vehicle has an Auto Stop feature. After a successful engine start, the engine may turn off and operate in the Auto Stop mode. Some of the vehicle conditions that allow the engine to stop running and enter the Auto Stop mode are: Ignition switch is in the ON/RUN position. The hood is closed. The gear selector is in P (Park), R (Reverse), N (Neutral) or D (Drive). The hybrid battery is at an acceptable state of charge. The hybrid battery voltage, temperature or power limits are not exceeded. In very hot conditions, Auto Stop may be unavailable until the hybrid battery has cooled. The engine is at operating temperature. The vehicle may enter Auto Stop after a remote vehicle start. With your foot off the brake and the vehicle on level ground, the hybrid drive motor may cause the vehicle to roll slowly forward, even when the engine is in Auto Stop. Keep your foot firmly on the brake pedal until you are ready for the vehicle to move. Engine OFF and AUTO STOP modes are indicated on the tachometer display. When the tachometer needle indicates OFF, the engine is not running and will remain off until the ignition key is placed in the START position or a remote vehicle start is performed. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (3,1) When the tachometer needle indicates AUTO STOP, the hybrid system is on, the engine is not running, but may Auto Start at any time without notice. See Tachometer on page 5‑4 for more information. A chime will sound if the driver door is opened while in Auto Stop as a reminder that the ignition switch is not in the LOCK/OFF position. Always turn the ignition switch to LOCK/OFF and remove the key from the ignition switch when exiting the vehicle. Auto Start The vehicle also has an Auto Start feature. The engine will remain off while in Auto Stop mode until vehicle conditions require the engine to run. The near-instant starting of the engine from Auto Stop mode is called Auto Start. Some of the vehicle conditions that may cause the engine to Auto Start are: The hood is opened. The gear selector is in M (Manual Mode). The hybrid battery state of charge is too low. The hybrid battery voltage, temperature or power limits are exceeded. . A remote vehicle start has been requested. The engine is not at operating temperature. . Acceleration demands require the use of the engine. Driving and Operating 9-3 EV Mode The vehicle also has an Electric Vehicle (EV) mode which uses only the electric motor to move the vehicle. With light acceleration, the vehicle will drive in EV mode. EV mode is unavailable when the vehicle is out of fuel. If increased acceleration is required, or the vehicle reaches approximately 40 km/h (30 mph), the engine will start automatically. The engine shuts off at speeds below 40 km/h (25 mph) unless the transmission is in M (Manual Mode) or Auto Stop is disabled. During heavy acceleration, both the engine and hybrid electric motors supply power. A sensation similar to a transmission gear change can be felt as the transmission changes modes. Engine RPM may remain above 4,000 RPM for a longer period during hard acceleration. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (4,1) 9-4 Driving and Operating Engine Coolant Heater The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). 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 −18°C (0°F). Using the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The cord is secured to a wiring harness between the engine and the Hybrid Auxiliary Underhood Fuse Block with a clip. Carefully remove the wire tie which secures the electrical cord. Do not cut the electrical cord. 3. Plug the cord into a normal, grounded 110-volt AC outlet. { WARNING 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. If you do not, it could be damaged. The length of time the heater should remain plugged in depends on several factors. Ask a dealer in the area where you will be parking the vehicle for the best advice on this. Shifting Into Park { WARNING 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. With four-wheel drive, if the transfer case is in N (Neutral), the vehicle will be free to roll, even if the shift lever is in P (Park). So, be sure the transfer case is in a drive (Continued) Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (5,1) WARNING (Continued) gear — not in N (Neutral). If you are pulling a trailer, see “Driving Characteristics and Towing Tips” in the owner manual. 1. Hold the brake pedal down, then set the parking brake. See “Parking Brake” in the owner manual. 2. Move the shift lever into the P (Park) position by pulling the shift lever toward you and moving it up as far as it will go. 3. Be sure the transfer case (if equipped) is in a drive gear — not in N (Neutral). 4. Turn the ignition key to LOCK/OFF. 5. Remove the key and take it with you. If you can leave the vehicle with the ignition key in your hand, the vehicle is in P (Park). Leaving the Vehicle with the Engine Running { WARNING 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. If you have four-wheel drive and the transfer case is in N (Neutral), the vehicle will be free to roll, even if the shift lever is in P (Park). So be sure the transfer case is in a drive gear — not in N (Neutral). 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 unless you have to. Driving and Operating 9-5 If you have to leave the vehicle with the engine running, be sure your vehicle is in P (Park) and the parking brake is firmly set before you leave it. After you move 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 pulling it toward you. If you can, it means that the shift lever was not fully locked into P (Park). Torque Lock If parking on a hill and the transmission not shifted 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 9‑4. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (6,1) 9-6 Driving and Operating 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, then you will be able to pull the shift lever out of P (Park). Engine Exhaust 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. { WARNING Exiting the vehicle, without first shifting into P (Park), may cause the vehicle to move, and you or others can be seriously injured. Because the vehicle has the Automatic Engine Start/Stop feature, the vehicle’s engine might seem to be shut off when you come to a complete stop. (Continued) WARNING (Continued) However, once the brake pedal is released, the vehicle can move. The vehicle’s engine can also restart at any time. Shift to P (Park) and turn the ignition to LOCK/OFF, before exiting the vehicle. Follow the proper steps to be sure the vehicle will not move. See Shifting Into Park on page 9‑4. If pulling a trailer, see “Driving Characteristics and Towing Tips” in the owner manual. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (7,1) Driving and Operating 9-7 { WARNING If you have Four-Wheel Drive, the vehicle will be free to roll — even if the shift lever is in P (Park) — if the transfer case is in Neutral. So, be sure the transfer case is in a drive gear, Two-Wheel Drive High or Four-Wheel Drive High or Four-Wheel Drive Low — not in Neutral. See Shifting Into Park on page 9‑4. Automatic Transmission The vehicle has an electronic shift position indicator within the instrument panel cluster. There are several different positions for the shift lever. See “Range Selection Mode” in this section. P (Park): This position locks the rear wheels. It is the best position to use when you start 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 Shifting Into Park on page 9‑4. { WARNING 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 9‑4. If you are pulling a trailer, see “Driving Characteristics and Towing Tips” in the owner manual. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (8,1) 9-8 Driving and Operating 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. To rock the vehicle back and forth to get out of snow, ice, or sand without damaging the transmission, see “If the Vehicle is Stuck” in the owner manual. N (Neutral): In this position, the engine and transmission are not connected with the wheels. To restart the engine when the vehicle is already moving, use N (Neutral) only. { WARNING 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: . Going less than about 55 km/h (35 mph), push the accelerator pedal about halfway down. . Going about 55 km/h (35 mph) or more, push the accelerator all the way down. D (Drive) or M (Manual Mode) 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 “Loss of Control” in the owner manual. When temperatures are very cold, the transmission's gear shifting may be delayed, providing more stable shifts until the engine warms up. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (9,1) not upshift. In some cases, this may appear to be a delayed shift, however the transmission is operating normally. Manual Mode Range Selection Mode The Range Selection Mode controls the vehicle's transmission. Driving and Operating 9-9 To use this feature: 1. Move the shift lever to the M (Manual Mode). 2. Press the plus/minus button to upshift or downshift selecting the desired range of gears. A number displays next to the M, indicating the current gear that has been selected. The number displayed in the gear indicator is the highest gear that can be used. The vehicle can automatically shift to lower gears as it adjusts to driving conditions. When 3 (Third) is selected, 1 (First) through 3 (Third) gears are automatically shifted by the vehicle, but 4 (Fourth) cannot be used until it is selected. The Range Selection Mode controls the vehicle and engine speed while driving down a hill or towing a trailer, by allowing you to select a desired range of gears. Shifts may be more noticeable with a cold transmission. This difference in shifting is normal. M (Manual Mode): This position lets drivers select the range of gears appropriate for current driving conditions. If the vehicle has this feature, see Manual Mode on page 9‑9. 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. The vehicle has a shift stabilization feature that adjusts the transmission shifting to the current driving conditions to reduce rapid upshifts and downshifts. If the shift stabilization feature determines that a current vehicle speed cannot be maintained, the transmission does Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (10,1) 9-10 Driving and Operating Drive Systems Four-Wheel Drive If the vehicle has four-wheel drive, you can send the engine's driving power to all four wheels for extra traction. Read the following before using four-wheel drive. Notice: Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on the vehicle's powertrain. Do not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time. While driving on clean dry pavement and during tight turns, you may experience a vibration in the steering system. The vehicle has StabiliTrak. Shifting into Four-Wheel Drive Low will turn Traction Control and StabiliTrak off. See “StabiliTrak System” in the owner manual. Front Axle The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal. When you move the shift lever into M, the transmission will default to M4. In this gear range, effective engine braking occurs at speeds above 72 km/h (45 mph). Pushing the minus (−) button on the shift lever reduces the gear range. In the M3 gear range, effective engine braking occurs at speeds above 56 km/h (35 mph). In the M2 gear range, effective engine braking occurs at speeds above 40 km/h (25 mph). In the M1 gear range, effective engine braking occurs at speeds above 16 km/h (10 mph). When operating in M (Manual Mode), Auto Stop is disabled. For better vehicle efficiency, operate the vehicle in D (Drive) not M (Manual Mode). Cruise control can be used while using the Range Selection Mode. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (11,1) Automatic Transfer Case The transfer case knob is located to the left of the instrument panel cluster. Use this dial to shift into and out of four-wheel drive. You can choose among five driving settings: Indicator lights in the switches show you which setting you are in. The indicator lights will come on briefly when you turn on the ignition and the last chosen setting will stay on. Driving and Operating 9-11 If the lights do not come on, you should take the vehicle to your dealer for service. An indicator light will flash while shifting. It will stay on when the shift is completed. If for some reason the transfer case cannot make a requested shift, it will return to the last chosen setting. 2 m (Two-Wheel Drive High): This setting is used for driving in most street and highway situations. The front axle is not engaged in two-wheel drive. This setting also provides the best fuel economy. AUTO (Automatic Four-Wheel Drive): This setting is ideal for use when road surface traction conditions are variable. When driving your vehicle in AUTO, the front axle is engaged, but the vehicle's power is primarily sent to the rear wheels. When the vehicle's software determines a need for more traction, the system will transfer more power to the front wheels. Driving in this mode results in slightly lower fuel economy than Two-Wheel Drive High. 4 m (Four-Wheel Drive High): Use the four-wheel high position when you need extra traction, such as on snowy or icy roads or in most off-road situations. This setting also engages the front axle to help drive the vehicle. This is the best setting to use when plowing snow. 4 n (Four-Wheel Drive Low) : This setting also engages the front axle and delivers extra torque. You may never need this setting. It sends maximum power to all four wheels. You might choose Four-Wheel Drive Low if you are driving off-road in deep sand, deep mud, deep snow, and while climbing or descending steep hills. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (12,1) 9-12 Driving and Operating The vehicle has StabiliTrak. Shifting into Four-Wheel-Drive Low will turn Traction Control and StabiliTrak off. See “StabiliTrak System” in the owner manual. If the SERVICE 4 WHEEL DRIVE message stays on, you should take the vehicle to your dealer for service. See Transmission Messages on page 5‑13. { WARNING 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” in the owner manual for more information. N (Neutral): Shift the vehicle's transfer case to N (Neutral) only when towing the vehicle. See “Recreational Vehicle Towing” or “Towing Your Vehicle” in the owner manual. Shifting Into Four-Wheel Drive High or AUTO (Automatic Four-Wheel Drive) Turn the knob to the Four-Wheel High or AUTO position. This can be done at any speed, except when shifting from Four-Wheel Drive Low. The indicator light will flash while shifting. It will remain on when the shift is completed. Shifting Into Two-Wheel Drive High Turn the knob to the Two-Wheel High position. This can be done at any speed, except when shifting from Four-Wheel Drive Low. See “Shifting Out of Four-Wheel Drive Low” in this section for more information. Shifting Into Four-Wheel Drive Low When Four-Wheel Low is engaged, vehicle speed should be kept below 64 km/h (40 mph). Extended high-speed operation in 4L may damage or shorten the life of the drivetrain. To shift to the Four-Wheel Drive Low position, the ignition must be in ON/RUN and the vehicle must be stopped or moving less than 5 km/h (3 mph) with the transmission in N (Neutral). The preferred method for shifting into Four-Wheel Drive Low is to have the vehicle moving 1.6 to 3.2 km/h (1 to 2 mph). Turn the knob to the Four-Wheel Drive Low position. You must wait for the Four-Wheel Drive Low indicator light to stop flashing and remain on before shifting the transmission into gear. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (13,1) Driving and Operating 9-13 damaging the vehicle, always wait for the Four-Wheel Drive Low indicator light to stop flashing before shifting the transmission into gear. The vehicle may have significant engagement noise and bump when shifting between Four-Wheel Drive Low and Four-Wheel Drive High ranges or from N (Neutral) while the engine is running. If the knob is turned to the Four-Wheel Drive High, AUTO, or Two-Wheel Drive High switch position when the vehicle is in gear and/or moving, the Four-Wheel Drive High, AUTO or Two-Wheel Drive High indicator light will flash for 30 seconds but will not complete the shift unless the vehicle is moving less than 5 km/h (3 mph) and the transmission is in N (Neutral). Shifting Out of Four-Wheel Drive Low To shift from Four-Wheel Drive Low to Four-Wheel Drive High, AUTO, or Two-Wheel Drive High, the vehicle must be stopped or moving less than 5 km/h (3 mph) with the transmission in N (Neutral) and the ignition in ON/RUN. The preferred method for shifting out of Four-Wheel Drive Low is to have your vehicle moving 1.6 to 3.2 km/h (1 to 2 mph). Turn the knob to the Four-Wheel Drive High, AUTO, or Two-Wheel Drive High position. You must wait for the Four-Wheel Drive High, AUTO, or Two-Wheel Drive High indicator light to stop flashing and remain on before shifting the transmission into gear. Notice: Shifting the transmission into gear before the Four-Wheel Drive Low indicator light has stopped flashing could damage the transfer case. To help avoid Notice: Shifting the transmission into gear before the Four-Wheel Drive Low indicator light has stopped flashing could damage the transfer case. To help avoid damaging the vehicle, always wait for the Four-Wheel Drive Low indicator light to stop flashing before shifting the transmission into gear. The vehicle may have significant engagement noise and bump when shifting between Four-Wheel Drive Low and Four-Wheel Drive High ranges or from N (Neutral) while the engine is running. If the knob is turned to the Four-Wheel Drive Low position when the vehicle is in gear and/or moving, the Four-Wheel Drive Low indicator light will flash for 30 seconds and not complete the shift unless the vehicle is moving less than 5 km/h (3 mph) and the transmission is in N (Neutral). After 30 seconds the transfer case will shift to Four-Wheel Drive High mode. Chevrolet Tahoe and GMC Yukon/Yukon Denali Hybrid - 2011 Black plate (14,1) 9-14 Driving and Operating Shifting into Neutral To shift the transfer case into N (Neutral): 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” in the owner manual. 3. Start the vehicle or turn the ignition to ON/RUN. 4. Put the transmission in

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2011 Chevrolet Tahoe Owners Manual