If the wireless charger not working, please check:
1. Is the car power connected?
If yes, the charger indicator will keep flashing blue. If not, please connect the car power before using the car charger.
2. Does it have a metal substance between the car mount and the device?
If yes, please take off the metal like a magnetic phone case or something else before you charge.
3. Is it a large cell phone?
If yes, please make sure you extend the bottom bracket before you charge.