BYD S6 Unable to Detect Key Repair Solutions?

1 Answers
SanJuliette
07/30/25 4:57am
Reasons why BYD S6 cannot detect the key: key battery is dead, poor battery contact in the key, electromagnetic interference nearby, signal interference sources, etc. Below are the solutions for the undetectable key issue: 1. If the key is out of battery, press any button on the key to check if the indicator light turns on. If it doesn't, it means the key has no power and the battery needs to be replaced. 2. If it's due to poor battery contact in the car key, use the mechanical key to open the key's outer shell, rotate the battery or remove and reinstall it, then test again. 3. If the car's location has battery interference or signal interference sources, it may also prevent the car from detecting the key. Some dash cams installed in cars without proper electromagnetic shielding can also cause interference. 4. Use the spare car key to test. If the spare key can unlock the car door, it indicates that the currently used key is faulty and needs repair.
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