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:
Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an extender.
When you go in to order it, take the hea ...
Jump Starting
For more information about the vehicle battery, see Battery .
If the battery has run down, try to use another vehicle and some jumper cables
to start your vehicle. Be sure to use the following step ...
Replacement Bulbs
For replacement bulbs not listed here, contact
your dealer. ...