OnStar®
OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
See also:
Door Ajar Light
For vehicles equipped with this light, it comes on when a door is open or not
securely latched. Before driving, check that all doors are properly closed. See
Door Ajar Messages for more in ...
Engine Cooling when Trailer
Towing
The cooling system may temporarily
overheat during severe operating
conditions. See Engine Overheating. ...
Vehicle Settings
See Vehicle Personalization for more information. ...