Subaru Impreza WRX (2011)

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    Refueling in cold weather
    To help prevent moisture from forming in the fuel system and the risk of its freezing, use of an antifreeze additive in the fuel tank is recommended during cold weather. Use only additives that ar ...

    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 ca ...

    Setting passkey
    1. Select the “SET PASSKEY” menu by operating the “TUNE/TRACK/CH” dial. After the currently set passkey is displayed, a new passkey can be entered. 2. Input the new passkey by operating the “TUNE/TR ...