Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Automatic Transmission Shift Lock Control Function Check
WARNING!
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough r ...
Touch Screen Buttons
Touch screen buttons are on the
screen and highlighted when a
feature is available. Some toggle
screen buttons highlight when active
and gray out when inactive. ...
Manual Front Seats
To adjust a manual seat:
1. Pull the handle at the front of the seat.
2. Slide the seat to the desired position and release the handle.
3. Try to move the seat back and forth to be sure it is l ...