ABS system self-check
You may feel a slight shock in the brake pedal and hear the operating sound of ABS from the engine compartment just after the vehicle is started. This is caused by an automatic functional test of the ABS system being carried out and does not indicate any abnormal condition.
See also:
Fuse panel located in the passenger compartment
...
Brake booster
If the brake booster does not operate as described in the following procedure,
have it checked by your SUBARU dealer.
1. With the engine off, depress the brake pedal several times, applying the sam ...
Checking air conditioning system before summer season
Check the air conditioner unit for refrigerant
leaks, hose conditions, and proper
operation each spring. Have the air conditioning
system checked by your
SUBARU dealer. ...