OnStar Services

See also:

Interior Mirror
The vehicle has an automatic dimming inside rearview mirror. Automatic dimming reduces the glare of lights from behind the vehicle. The dimming feature comes on and the indicator light illuminat ...

Vehicle Overview
Buick brings back one of its well-known nameplates — Regal — for its new entry-luxury midsize sedan. Based on the Opel Insignia from Europe, the Regal has a striking resemblance to that model. ...

Traction Control System (TCS)
The vehicle has a Traction Control System (TCS) that limits wheel slip. The system operates if it senses that one or both of the front wheels are slipping or beginning to lose traction. When ...