See also:

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions s ...

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. ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...