... button for 3 seconds, the trunk will open automatically.7.Auto restart ARM conditionUnder ARM condition, Driver maybe disarm the alarm by ... condition.8.Shock trigger alarm.Under ARM condition, if the car system received shock signal, the speaker will sound for 5 seconds, 5 ... Within 10 seconds, if the car be shocked again, car alarm will continue sounding. CAR ALARM SYSTEM(one way/two way available)