See also:

Dome Lamps
The dome lamp is located in the overhead console. To change the dome lamp settings, press the following: (Dome Lamp Override): Turns the lamp off, even when a door is open. (Door): The la ...

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 ...

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 remotely, ...