See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

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

Turning the System On and Off
The URPA system can be turned on and off using the park assist button located next to the shift lever. The LED next to the park assist button lights up when the system is on and turns off w ...