... disarm it. Under arm status, this sms car alarm, phone car alarm will send you alert sms when ... level; 18. Central lock automation, when car speed >30Km/h, car door will be locked automatically;19. Inbuilt ... , if the car engine is turned ON, it will trigger this alarm. The siren will sounds for 20 seconds ... , if the car door is open, it will trigger door open alarm. The siren will sounds for 20 seconds ...