See also:

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

Precautions against vehicle modification
WARNING To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SR ...

Engine Changes
Complete redesigns tend to bring the most dramatic changes, from the styling to the mechanics. A few things have changed in the WRX drivetrain, but I fear it's not enough. The 2008 model seems exa ...