See also:

Outside Automatic Dimming Mirror
If the vehicle has this feature, the driver side mirror adjusts for the glare of headlamps behind you. This feature is controlled by the on and off settings on the automatic dimming rearview mir ...

Steering Wheel Controls
Steering Wheel Controls For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. : Press to interact with the available Bluetooth, OnSta ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...