Buick Regal: Fuel - Object Detection Systems - Driving and Operating - Buick Regal Owners ManualBuick Regal: Fuel

Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline advertised as TOP TIER Detergent Gasoline.

Look for the TOP TIER label on the fuel pump to ensure gasoline meets enhanced detergency standards developed by auto companies. A list of marketers providing TOP TIER Detergent Gasoline can be found at www.toptiergas.com.

The eighth digit of the Vehicle Identification Number (VIN) shows the code letter or number that identifies the vehicle's engine.

The eighth digit of the Vehicle Identification Number (VIN) shows the code letter or number that identifies the vehicle's engine.

The VIN is at the top left of the instrument panel. See Vehicle Identification Number (VIN) .

Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).

See Fuel E85 (85% Ethanol) . For all other vehicles, use only the unleaded gasoline described under Recommended Fuel .

    Ultrasonic Parking Assist
    For vehicles with the Ultrasonic Rear Parking Assist (URPA) system, it assists the driver with parking and avoiding objects while in R (Reverse). URPA operates at speeds less than 8 km/h (5 mph), and ...

    Recommended Fuel
    If the vehicle has a 2.4L L4 engine (VIN Code C), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly r ...

    See also:

    Malfunctions
    Steering wheel vibration Frequent activation of the steering wheel vibration causes the system to overheat. This causes the lane departure warning to become deactivated. Let the system cool and ...

    Replacing
    1. Lift the wiper arm away from the windshield. 2 Push the release tab, then move the wiper blade down the wiper arm to remove. 3 Remove the wiper blade. 4. Insert the new wiper blade onto the w ...

    Power Steering Fluid Check
    Checking the power steering fluid level at a defined service interval is not required. The fluid should only be checked if a leak is suspected, abnormal noises are apparent, and/or the system is ...