Disarming state (manual mode): After driving for 15 seconds, the door can be automatically locked by stepping on the brake; when parking, the door will be automatically unlocked.*Automatic central lock In the disarm mode, press and hold the button for 5 seconds, the trunk opens and the horn sends out a signal.*Technical parameters of trunk release Working voltage: 12V Quiescent current: 8mA Siren: 10AX1 Working frequency: 433MHZ Transmitter working voltage: 3V Quiescent current: 0mA Battery: 3V/2032 Working frequency: