See also:

Vehicle Dynamics Control mode switch (STI)
Indicator light Vehicle Dynamics Control mode switch When the switch is pressed briefly or for more than approximately 3 seconds during engine operation, the mode of the Vehicle Dynamics Control Sys ...

AUTO button
FULL AUTO mode operation: When the “AUTO” button is pressed, the indicator light “FULL AUTO” on the display illuminates. In this state, fan speed, airflow distribution, air-inlet control, and a ...

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 sched ...