Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Removing the Flat Tire and Installing the Spare Tire
Take off the wheel cover or center cap, if the vehicle has one, to reach the wheel bolts.
1. Do a safety check before proceeding. See If a Tire Goes Flat for more information.
2. Turn the wh ...
Compact Spare Tire
WARNING:
Driving with more than one compact spare tire at a
time could result in loss of braking and handling.
This could lead to a crash and you or others could
be injured. Use only one compact ...
Engine Oil Life System
The engine oil life system calculates engine oil life
based on vehicle use and displays a DIC message when
it is necessary to change the engine oil and filter. The
oil life system should be rese ...
