Buick Regal Owners & Service Manuals
Buick Regal 2018-2025 Owners Manual / In Brief / Performance and Maintenance

Buick Regal: Performance and Maintenance

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 Traction Control/Electronic Stability Control

The Traction Control System (TCS) limits wheel slip. The system turns on automatically every time the vehicle is started. The StabiliTrak system assists with directional control of the vehicle in dif

 Fuel (2.0L Turbo Engine)

Premium Recommended Fuel Use premium 93 octane unleaded gasoline in your vehicle. Unleaded gasoline with an octane rating as low as 87 may be used, but it will reduce performance and fuel economy. Fu

 Engine Oil Life System

The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system sho

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 DTC B3976

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

 DTC B302A

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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