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:
Window Lockout
This feature prevents the rear passenger windows from operating, except from
the driver position.
Press to activate the rear
window locks. An indicator light will illuminate when the featu ...
Tire Sealant
Read and follow the safe handling instructions on the label adhered to the
sealant canister.
Check the tire sealant expiration date on the sealant canister.
The sealant canister should be repla ...
Loss of Control
Skidding
There are three types of skids that
correspond to the vehicle's three
control systems:
- Braking Skid — wheels are
not rolling.
- Steering or Cornering
Skid — too much speed or
s ...