Sound and Light Alarm,Mute Alarm,Armed Reminder (Optional),Trigger Alarm ,Safety Reminding,Dialer/Remote Control Learning Code, car alarm system with GPS function 1. ... , only the LED flashes 2 times in every 5s. This alarm system will dial the emergency help number automatically. Once the phone ... , or short press for 2s to open the trunk. 3.16, HelpPress ( ) for 2s in running, siren will beep for 30s ...