See also:

Breaking-in of new brake pads and linings
When replacing the brake pad or lining, use only genuine SUBARU parts. After replacement, the new parts must be broken in as follows: ...

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 t ...

If steam is coming from the engine compartment
Turn off the engine and get everyone away from the vehicle until it cools down. ...