See also:

OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar hands-free calling. See Audio Steering Wheel Controls for more information. On some vehicles, the mute button c ...

Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors operation of the fuel, ignition, and emission control systems. It makes sure that emissions are at acceptable levels f ...

Parking on Hills
WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer ...