What to Do When Volkswagen Electronic Key Fails?

1 Answers
ChaseLynn
07/29/25 5:58pm
Volkswagen car remote key failure solutions are as follows: Press and hold the unlock button on the remote key, insert the key into the ignition hole, then quickly turn the key to the car self-check position, immediately turn the key back to the lock position, and quickly repeat this process 3 times. The basic principle is as follows: The key emits a weak radio wave, which is received by the car antenna. The electronic control unit (ECU) identifies the signal code, and then the system's actuator (motor or electromagnetic coil) executes the lock/unlock action. The system mainly consists of two parts: the transmitter and the receiver.
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