All-Wheel Drive

It is not necessary to check the all-wheel drive lubricant levels.

A fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer as soon as possible.

    See also:

    Radio Reception
    Frequency interference and static can occur during normal radio reception if items such as cell phone chargers, vehicle convenience accessories, and external electronic devices are plugged into the ac ...

    Starting the Engine
    If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. Notice: Do not try to shift to ...

    Roadside Assistance Program
    As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside Assistance Program (M ...