Recommended spark plugs

NOTE
For the recommended spark plugs, refer to “Electrical system”.

    See also:

    Automatic/Emergency Locking Retractor (A/ELR)
    Each passenger’s seatbelt has an Automatic/ Emergency Locking Retractor (A/ ELR). The Automatic/Emergency Locking Retractor normally functions as an Emergency Locking Retractor (ELR). The A/ ELR h ...

    Sporty, Spacious and Versatile Interior
    New for 2011, the WRX STI interior is finished in black and silver to highlight its sporty design. Trim panels, the steering wheel air bag cover and steering wheel switches are now dark cast metal ...

    SRS airbag system warning light
    When the ignition switch is turned to the “ON” position, the SRS airbag system warning light will illuminate for approximately 6 seconds and turn off. This shows the SRS frontal airbag and SRS sid ...