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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. ...

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

How the System Works
LDW uses a camera located between the inside rearview mirror and the windshield to detect the lane markings. (Lane Departure Warning): To turn LDW on and off, press the LDW control, located ...