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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 Cooling System Description and Operation

Engine Coolant Indicators The instrument panel cluster (IPC) shows the engine temperature on the temperature gauge. The value is sent on the data communication line from engine control module (ECM). When the coolant temperature is more than 128ºC (262ºF) IPC receives a discrete input f

 DTC B2652

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 Descriptor DT

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