OnStar Services
See also:
Battery
The battery supplies power to start the engine and operate any additional electrical accessories.
• To avoid break-down or failure to start the vehicle, maintain a battery with full cranking power. ...
Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS. ...
Disconnecting the RVC
The rear vision camera must be disconnected if the tailgate needs to be removed.
To disconnect the camera:
1. Remove the license plate.
2. Disconnect the camera connectors from the chassis harness, ...





