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:
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines,
transmission, axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service B ...
Reading Lamps
There are reading lamps located on the overhead console and over the rear
passenger doors. These lamps come on automatically when any door is opened.
To manually turn the reading lamps on or off:
...
Traction Control System (TCS)
The traction control system limits wheel spin. The system is on when the
vehicle is started.
- To turn off traction control, press and release located on the console.
illuminates and the a ...