See also:

Engine Heater
The engine heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the heater at least ...

OnStar®
OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services. ...

Lock Feedback
Press the customization button until LOCK FEEDBACK: BOTH appears in the display. To select your preference for the feedback you receive when locking the vehicle with the Remote Keyless Entry (RK ...