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:

    Order of Play
    Compressed audio files are accessed in the following order: • Playlists (Px). • Files stored in the root directory. • Files stored in folders in the root directory. Tracks are played in the ...

    Delayed Locking
    When locking the doors with the power lock switch and a door or the liftgate is open, the doors will lock five seconds after the last door is closed. You will hear three chimes to signal that the dela ...

    Radio Data System (RDS)
    For radios with the Radio Data System (RDS) feature, it only works with FM stations that broadcast RDS information. This system relies upon receiving specific information from these stations and only ...