... the car should possibly be locked.D:Morse decorder(Password setup steps):When emergency happens,for example the smart key ... seconds,then go to next step.knock 2 time to setup second digit"2",LED response 2 time;after 5 ... seconds,then go to next step.knock 4 time to setup fourth digit"4",LED response 4 time;after 5 ... ,then go to next step.knock 6 times to setup sixth digit"6",LED response 6 time;after 5 ...