What Causes Car Key Failure?

1 Answers
EliasLee
07/30/25 3:24am
There are many reasons why a car remote key suddenly fails, as analyzed in detail below: Dead battery: A dead car battery prevents the vehicle from receiving signals, and a dead remote key battery makes it impossible to open the car door. The solution is to promptly recharge the car battery. Interference sources: Remote control failure occurs when there are high-power radio signals of the same frequency nearby, preventing the vehicle's frequency signal receiver from detecting the radio-encoded commands sent by the remote key. This results in remote control failure, leading to issues like the inability to lock or unlock the car door. The solution is to stay away from areas with potential signal interference.
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