OnStar

See also:

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

Hazard Warning Flashers
(Hazard Warning Flashers): Press this button on the instrument panel, to make the front and rear turn signal lamps flash on and off. This warns others that you are having trouble. Press aga ...

IntelliBeam® Intelligent High-Beam Headlamp Control System
For vehicles with this feature, be sure to read this entire section before using it. IntelliBeam is an enhancement to the vehicle's headlamp system. Using a digital light sensor on the rearvie ...