If the wireless charger no working, please check:
1.Is the car power connected?
If yes, the charger indicator will keeps flashing blue. If not, please connect the car power before using the car charger.
2.Does it have metal substance between the car mount and the device?
If yes, please take off the metal like magnetic phone case or something else before you charge.
3.A large cell phone?
If yes, please make sure you extend the bottom bracket before you charge.