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:
How to Check Power Steering Fluid
Notice: Extremely small amounts of contamination can cause steering system damage
and cause it to not work properly. Do not allow contaminants to contact the fluid
side of the reservoir cap/ dipst ...
Exterior Lighting
The exterior lamps control is located on the instrument panel to the left of the steering wheel.
: Turns off the automatic headlamps and Daytime Running Lamps (DRL). Turn the headlamp control ...
Fog Lamps
Fog Lamps
For vehicles with fog lamps, the control is located next to the exterior lamps control on the instrument panel, to the left of the steering column.
The ignition must be in the ON/RUN pos ...





