The external sensor uses CR1632(Wansheng or Panasonic) button battery, which can be used normally for 2 to 3 years. When the sensor battery on the car tire is low, it will emit a BI-BI-BI alarm sound, and the tire icon at the corresponding position on the display will flash. You can go to the electronics city to buy some models of batteries
The operation steps with the supporting tools are as follows:
1. Remove the sensor
2. Take off the screw cover
3. Put one end into the disassembling device
4. Close the disassembling device and twist it back and forth
5, it can be removed after twisting loose
6, you can see the naked battery here
7, choose the prepared Weilitong tire pressure sensor dedicated to CR1632(Wansheng or Panasonic) button battery can be replaced
8. Reinstall the sensor in the original way and tighten it with the disassembly device