![tpms](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Installation of external sensors
1. Unscrew valve cover
2. Attach hex nut
3. Identify using the sensor position. Turn to the appropriate tyre
4. Counter with nut wrench, rotary lever sensor
5. Check for air leaks with soapy water
Replacement of the external sensor battery
1. Loosen the hex nut
2. Unscrew the sensor
3. Insert a new button battery
4. Reverse operation. Replace the sensor