See also:

Perimeter Lights
Press the customization button until PERIMETER LIGHTS: ON appears in the display. To select your preference for perimeter lighting, press the select button while PERIMETER LIGHTS: ON is displaye ...

Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NH ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...