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:
Removing the Spare Tire and Tools
The equipment needed to change a flat tire is stored under the storage tray,
located on the driver side trim panel, over the rear wheelhouse.
Regular Wheelbase Shown, Extended Wheelbase Similar.
...
Belts
- Belts may need replacing if
they squeak or show signs of
cracking or splitting.
- Trained dealer technicians
can inspect the belts and
recommend replacement when
necessary. ...
High Intensity Discharge
(HID) Lighting
WARNING!
The low beam high intensity
discharge lighting system
operates at a very high voltage.
If you try to service any of the
system components, you could be
seriously injured. Have your ...