Buick Regal: Fuel E85 (85% Ethanol) - Performance and Maintenance - In Brief - Buick Regal Owners ManualBuick Regal: Fuel E85 (85% Ethanol)

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 .

    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 ...

    Driving for Better Fuel Economy
    Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. ► Avoid fast starts and accelerate smoothly. ► Brake gradually and avoid abrupt ...

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    Spare tire (TEMPORARY USE ONLY spare tire)
    Observe the following precautions if the TEMPORARY USE ONLY spare tire must be used. Otherwise, your vehicle could be damaged or involved in an accident: WARNING ● The spare tire should be ...

    Navigation data
    Information on the navigation data 1. "Navigation" 2. "Options" Open. 3. "Navigation system version": information on the data version is displayed. Updating the nav ...

    Rear combination lights
    Legacy NOTE It may be difficult to replace the bulbs. We recommend that you have the bulbs replaced by your SUBARU dealer if necessary. 1. Turn the knobs of the cover 90 degrees counterclockwis ...