Shifting Into Four-Wheel Drive High or AUTO (Automatic Four-Wheel Drive)

GMC Sierra / GMC Sierra Owners Manuals / Driving and Operating / Drive Systems / Four-Wheel Drive / Shifting Into Four-Wheel Drive High or AUTO (Automatic Four-Wheel Drive)

Turn the knob to the Four-Wheel Drive 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.

    See also:

    Questions and Answers About Safety Belts
    Q: Will I be trapped in the vehicle after a crash if I am wearing a safety belt? A: You could be— whether you are wearing a safety belt or not. Your chance of being conscious during and after a cr ...

    Airbag System Messages
    SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your dealer inspect the system for problems. See Airbag Readiness Light on page 5‑20 and Airbag System ...

    Listing All Paired and Connected Phones
    The system can list all cell phones paired to it. If a paired cell phone is also connected to the vehicle, the system responds with “is connected” after that phone name. 1. Press and hold for tw ...