Buick Regal Owners & Service Manuals

Buick Regal: Fuel (2.0L Turbo Engine)

Premium Recommended Fuel

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.

Fuel (3.6L Engine)

Regular Fuel

Regular Fuel

Use only unleaded gasoline rated 87 octane or higher in your vehicle.

Do not use gasoline with an octane rating lower as it may result in vehicle damage and lower fuel economy.

E85 or FlexFuel

No E85 or FlexFuel

No E85 or FlexFuel

Gasoline-ethanol fuel blends greater than E15 (15% ethanol by volume), such as E85, cannot be used in this vehicle.

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     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

     Keys, Doors, and Windows

     Keys and Locks

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     Heated and Ventilated Front Seats

    Warning: If temperature change or pain to the skin cannot be felt, the seat heater may cause burns. To reduce the risk of burns, use care when using the seat heater, especially for long periods of time. Do not place anything on the seat that insulates against heat, such as a blanket, cushion, cover,

     Cylinder Head Replacement

    Removal Procedure Special Tools EN-38188 Cylinder Head Broken Bolt Extractor Kit - or equivalent aftermarket tool EN-45059 Angle Meter EN-36857 Engine Lift Bracket Equivalent regional tools: Special Tools 1. Cooling System Draining and Filling (Static) Cooling System Draining and Filling (GE

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