See also:

OnStar® System
OnStar® uses several innovative technologies and live advisors to provide you with a wide range of safety, security, information, and convenience services. If your airbags deploy, the system is ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

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. ...