MMT

Some gasoline contains an octane-enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). If you use such fuels, your emission control system performance may deteriorate and the CHECK ENGINE warning light/Malfunction indicator lamp may turn on. If this happens, return to your authorized SUBARU Dealer for service. If it is determined that the condition is caused by the type of fuel used, repairs may not be covered by your warranty.

    See also:

    Vehicle Dynamics Control OFF switch (except STI)
    Indicator light (turbo models) Indicator light (non-turbo models) Vehicle Dynamics Control OFF switch Pressing the switch to deactivate the Vehicle Dynamics Control system can facilitate the follow ...

    Unleaded gasoline
    The neck of the fuel filler pipe is designed to accept only an unleaded gasoline filler nozzle. Under no circumstances should leaded gasoline be used because it will damage the emission control sy ...

    Tire inspection
    Check on a daily basis that the tires are free from serious damage, nails, and stones. At the same time, check the tires for abnormal wear. Contact your SUBARU dealer immediately if you find ...