OnStar

See also:

Weight-Distributing Hitch Adjustment
A. Body to Ground Distance B. Front of Vehicle When using a weight-distributing hitch, the spring bars should be adjusted so the distance (A) is the same after coupling the trailer to the tow ve ...

Safety Chains
Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated from t ...

Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM—FM radio, OnStar, the XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has ...