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:
Braking
See Brake System Warning Light.
Braking action involves perception time and reaction
time. Deciding to push the brake pedal is perception
time. Actually doing it is reaction time.
Average reacti ...
Sunroof
The vehicle may be equipped with a power sliding
sunroof. To open or close the sunroof, the
ignition must be turned to ON, ACCESSORY, or
Retained Accessory Power (RAP) must be
active.
Press and ...
Seat Position
Seat Position
WARNING!
You can lose control of the
vehicle if you try to adjust a
manual driver seat while the
vehicle is moving. The sudden
movement could startle and
confuse you, or ma ...
