See also:

Modification of your vehicle
CAUTION Your vehicle should not be modified other than with genuine SUBARU parts and accessories. Other types of modifications could affect its performance, safety or durability, and may even vio ...

ON
This is the normal operating position after the engine is started. ...

The Inside
The interior is quiet enough at idle that one time I didn't even realize it was running. That's when I recognized Subaru finally seems to have licked this engine's chronic idle vibration. In this ...