Exterior Mirrors
Base Model
To adjust the mirrors:
1. Press 
or
to select a mirror.
2. Press the control pad to adjust the mirror.
3. Return the switch to the center to deselect the mirror.
Uplevel Model
To adjust the mirrors:
1. Press (A) or (B) to select a mirror.
2. Press the control pad to adjust the mirror.
3. Press (A) or (B) again to deselect the mirror.
See also:
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
...
Turn and Lane-Change Signals
An arrow on the instrument panel cluster will flash in the direction of the turn
or lane change.
Move the lever all the way up or down to signal a turn.
Raise or lower the lever until the arrow ...
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how the rig is used.
Speed, altitude, road grades, outside temperature, and how much the vehicle is used to pull a trailer are all important. It can ...