2003 Subaru Impreza Owner's Manual - Page 115

Keys and doors Security system (if equipped) The security system helps to protect your vehicle and valuables from theft. The horn sounds and the parking lights flash if someone attempts to break into your vehicle. The starter motor is also interrupted to prevent starting the vehicle without a key. The system can be armed and disarmed with the remote transmitter. The system does not operate when the key is inserted into the ignition switch. D Application of physical shock to the vehicle (e.g. breaking glass or forced entry). Note that there are two alarm levels for shock: warning and alarm. In warning mode, the alarm detects lower level vibrations and triggers 2 warning chirps on the horn and two flashes on the lights as a deterrent to would be vandals. In alarm mode, higher levels of shock are detected and the system will go into full alarm. D Ignition switch being turned on while in armed state. NOTE With the valet mode selected, the security system does not operate and the parking lights do not flash when the remote transmitter is used for locking and unlocking. The security system indicator light in the combination meter flashes twice per second to show that the valet mode is selected. For details, refer to "Valet mode" in this section. J System operation The security system will give the following alarm indications when triggered: D The parking lights will flash and the horn will sound intermittently. In addition, the starter motor will not operate. D The alarm automatically resets after 30 seconds; however, the alarm will reactivate if the vehicle is tampered with again. The alarm will continue for six times if any sensor continues to be activated. The alarm is triggered by: D Opening a door, the rear gate or trunk lid (vehicle equipped with trunk light only). 2-14