1997 Pontiac Firebird Owner's Manual - Page 62

If your vehicle has this option, it has a theft-deterrent alarm system. Once armed, the system will the sound horn and flash the parking lamps the vehicle is if broken into. Shock Sensor The shock sensor is what triggers the alarm it when detects ablow to your vehicle. It is located over the right rear wheelhouse near the sparetire in the hatch area. There are two levels of alarms via the shock sensor: Two horn blasts and parking lamp flashes for non-threatening blowsto the vehicle anda full two minute alarm for harder blows to the vehicle. Its sensitivity can be adjusted more or lesssensitivity is if desired. (Note:If sensitivity is increased too much, it may give false alarms caused gusts of wind or other by natural events that may shake the vehicle). To adjust, remove the label covering adjustment the knob on the sensor adjust as desired. and Turn clockwise to increase sensitivity and turn counterclockwise to is decrease sensitivity. The shock sensor ignored by the alarm system when the ignition is on, when the hatch i open, when the alarm is disarmed, when is customized it to be ignored and for five seconds after horn sounds the an alarm or chirp. The shock sensor is ignored after triggering three full alarms until the system is rearmed. Coupe Convertible 2-13