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:
To Transfer Audio to the In-Vehicle
Bluetooth System
The cellular phone must be paired and connected with
the Bluetooth system before a call can be transferred.
The connection process can take up to two minutes after
the key is turned to the ON/RUN ...
Trunk Deck Inboard Taillamp and Backup Lamp
Driver Side Shown, Passenger Side Similar
A. Backup Lamp
B. Taillamp
To replace any one of these bulbs:
1. Open the trunk.
2. Remove the push pins (A) retaining the trunk deck trim cover.
3. ...
Starter Switch Check
WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enough
room ...