See also:

Instrument Panel Illumination Control
The brightness of the instrument panel lighting and steering wheel controls can be adjusted. : Move and hold the thumbwheel up or down to brighten or dim the lights. ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotel ...

Park Brake and P (Park) Mechanism Check
WARNING! When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case ...