See also:

Behavior with key lock-in prevention function operational
With the driver’s door open, the doors are automatically kept unlocked even if the front side of the power door locking switch is pressed. ...

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

Spark plugs
It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. The spark plugs should be replaced according to the maintenance ...