What are the reasons why the BYD G3 one-button start cannot detect the key?

1 Answers
VivienneAnn
07/30/25 12:43am
BYD G3 one-button start cannot detect the key for the following reasons: 1. Dead key battery: The first thing to consider is whether the key is out of power. If the remote control distance shortens or the sensing becomes less sensitive, these are signs that the key battery is running low. In a dead battery state, the one-button start function cannot work properly, and the battery needs to be replaced. 2. Interference: Check if there is any electromagnetic interference nearby, such as signal interference sources. Some dash cams that lack proper electromagnetic shielding can also cause interference, preventing the key from being detected. 3. Gear position: Verify if there was an operational error, such as the gear not being placed in the P position.
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