Buick Regal Owners & Service Manuals

Buick Regal: OnStar

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 OnStar Overview

Voice Command Button   Blue OnStar Button   Red Emergency Button This vehicle may be equipped with a comprehensive, in-vehicle system that can connect to an OnStar Advisor for Emergency, S

 OnStar Services

 Emergency

Emergency Services require an active, OnStar service plan (excludes Basic Plan). With Automatic Crash Response, built-in sensors can automatically alert a specially trained OnStar Advisor who is immed

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 Online Owner Center

Online Owner Experience (U.S.) my.buick.com The Buick online owner experience allows interaction with Buick and keeps important vehicle-specific information in one place. Membership Benefits : Download owner's manuals and view vehicle-specific how-to videos. : View maintenance schedules, alerts, an

 DTC P0243, P0245, or P0246

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors D

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