Buick Regal Owners & Service Manuals

Buick Regal: OnStar Services

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 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

 Navigation

OnStar navigation requires a specific OnStar service plan. Press to receive Turn-by-Turn directions or have them sent to the vehicle's navigation screen, if equipped. Turn-by-Turn Navigation 1. Pres

 Connections

The following OnStar services help with staying connected. Ensuring Security Change the default passwords for the Wi-Fi hotspot and myBuick mobile application. Make these passwords different fro

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 DTC P0131, P0132, P015A, P015B, P223C, or P223E

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis An overview of each diagnostic category can be found here: Diagnostic Proced

 Symptoms - Immobilizer

IMPORTANT: The following steps must be completed before using the symptom tables. 1. Perform the Diagnostic System Check - Vehicle before using the symptom tables in order to verify that all of the following are true: There are no DTCs set. The control modules can communicate via the serial dat

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