The phone or the Tesla voltage is too low to charge.
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The failure to charge may be related to the iPhone charging function, the iPhone charging TV is very demanding, it is to detect the quality of the power supply, if the power supply of the Tesla car is not the standard 220 volts, too much deviation, the iPhone will protect itself from charging the phone.
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If it is a mobile phone problem, you can open the general in the iPhone phone Settings, pull down the phone screen to find the restore, and then you can see all the restore Settings in the restore interface, restore the iPhone phone and restart the phone can solve the problem of iPhone can not be charged in the car.