Subaru Impreza WRX STI (2011)

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    Wear indicators
    1) New tread 2) Worn tread 3) Tread wear indicator Each tire incorporates a tread wear indicator, which becomes visible when the depth of the tread grooves decreases to 0.063 in (1.6 mm). ...

    Cleaning aluminum wheels
    ● Promptly wipe the aluminum wheels clean of any kind of grime or agent. If dirt is left on too long, it may be difficult to clean off. ● Do not use soap containing grit to clean the wh ...

    Cleaning the interior
    Use a soft, damp cloth to clean the climate control panel, audio equipment, instrument panel, center console, combination meter panel, and switches. (Do not use organic solvents.) ...