See also:

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...

Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not turn off the engine while driving because that will turn off the brake booster, resulting in poor braking power. The ...

Tire pressure monitoring system (TPMS) (U.S.-spec. models)
Turbo models Non-turbo models The tire pressure monitoring system provides the driver with the warning message indicated by sending a signal from a sensor that is installed in each wheel when tire p ...