1. Insert the key and open the lock, press down the red button on the lock pole steady side, when you hear the sound "DU", which means it is coming into the alarm situation, press the button again, remove alarm situation. When the lock is coming into alarm situation, after seconds when you vibrate the lock or vehicle again, it will give an alarm and keep alarm with serial movement or vibration. Each alarm will last 10 seconds.

2. Replace battery

Open the lock pole and spin out the screw at the bottom of the lock body, pull out the lock pole steady side and spin out 4PCS small screws in the black plastic box, then you can replace the battery inside the lock body, Please pay attention to the anode and cathode.

3. When you hear the sound "Ge. Gee. Ge^. 'constant voice or the alarm voice less than 10 seconds by sudden stop, that means the battery will be worn out, you need to replace the battery.