Fuel octane rating

This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI).

Using a gasoline with a lower octane rating can cause persistent and heavy knocking, which can damage the engine.

Do not be concerned if your vehicle sometimes knocks lightly when you drive up a hill or when you accelerate. Contact your SUBARU dealer if you use a fuel with the specified octane rating and your vehicle knocks heavily or persistently.

    See also:

    Low fuel warning light
    The low fuel warning light illuminates when the tank is nearly empty approximately 2.6 US gal (10.0 liters, or 2.2 Imp gal). It only operates when the ignition switch is in the “ON” position. N ...

    Changing the remote control batteries
    - Do not let dust, oil or water get on or in the remote engine start transmitter when replacing the battery. - Be careful not to damage the printed circuit board in the remote engine st ...

    Combination meter
    U.S.-spec. models (STI) 1) Fuel gauge 2) Tachometer 3) Speedometer 4) Trip meter A/B selection and trip meter reset knob 5) Odometer/Trip meter 6) Temperature gauge U.S.-spec. models (turbo ...