See also:

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...

Remote Keyless Entry (RKE) System Operation
The Remote Keyless Entry (RKE) transmitter functions work up to 60m (195 ft) away from the vehicle. There are other conditions which can affect the performance of the transmitter. See Remote Keyless ...

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 vehic ...