Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Exterior Lighting
The exterior lamps control is located on the instrument panel to the left of
the steering column.
The exterior lamps control has four positions:
: Briefly turn to this position to turn the ...
If the Vehicle Is Stuck
Slowly and cautiously spin the
wheels to free the vehicle when
stuck in sand, mud, ice, or snow.
If stuck too severely for the traction
system to free the vehicle, turn the
traction system of ...
Express-Down/Up Windows
Windows that have the express—down/up feature allow the windows to be
lowered and raised fully without holding the window switch. Press the window
switch fully and release it to activate the express ...