Dolly Towing (All-Wheel&-Drive Vehicles)

All-wheel&-drive vehicles should not be towed with two wheels on the ground. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off of the ground or dinghy towed from the front.

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    Cooling System
    If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L En ...

    Lumbar Adjustment
    Manual Lumbar If available, move the handle forward or rearward to increase or decrease lumbar support. Power Lumbar If available, press and hold the front or rear of control to increase or dec ...

    Key Lock Release
    Vehicles with an automatic transmission are equipped with an electronic key lock release system. The key lock release is designed to prevent ignition key removal unless the shift lever is in P ...