If the vehicle is fitted with TPMS - Tyre Pressure Monitoring System.
Aluminum nut on the valve means that the vehicle is fitted with tyre pressure remote monitoring.
Check the tyre pressure.
It is necessary to drive the vehicle for around 5-10 km, using all the driving range, to reset the computer.
In case of puncture.
The C.U. has to be reset to reset the pressure sensors.
Except in the case where the sensor was not replaced.
This operation should not be performed outside of the manufacturer's network.
Specific tool(s) required.
When replacing a tyre, always substitute the valve A.
When replacing a rim, always substitute the sealing gasket E.
When replacing a rim, always substitute the screw D , the valve A.