2004 Subaru Impreza Owner's Manual - Page 119

Keys and doors lock. ! To arm the system using power door locking switches 1. Close all windows. 2. Remove the key from the ignition switch. 3. Open the doors and get out of the vehicle. 4. Make sure that the engine hood (and the trunk lid) are locked. 5. Close the doors (and the rear gate on the wagon) but leave only the driver's door or the front passenger's door open. UG2030BA Security system-indicator light 6. Briefly press the "LOCK/ARM" button (for less than two seconds). All doors (and the rear gate on the wagon) will lock, an electronic chirp will sound one time, the turn signal lights will flash one time and the indicator light starts flashing slowly (approximately once every two seconds). If any of the doors (or the rear gate or the trunk lid) is not fully closed, an electronic chirp sounds five times, the turn signal lights flash five times to alert you that the doors (or the rear gate or the trunk lid) are not properly closed. When you close the door, the system will automatically arm and doors will automatically 2-16 7 6 HS2013CB 6. Push the front side ("LOCK" side) of the power door locking switch to set the door locks.