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What Causes Remote Key Failure?

1 Answers

JamesonAnn

07/29/25 4:12pm

Reasons for sudden failure of a car's remote key include: 1. Dead battery or poor battery contact. 2. Malfunction of the time control module in the remote key, which can also render it ineffective. 3. Aging of the car's remote transmitter antenna, among other factors, can lead to this issue. Below are signs of a dying battery: (1) Remote range: For example, if you could previously unlock the car from five or six meters away, now you might need to stand right next to the door to unlock it. (2) Occasional failure: Previously, pressing the button once might have opened the door, but now it may take two or three presses. (3) Indicator light on the car key: If the indicator light on the car key becomes dimmer or flickers. (4) Some higher-end models may display a warning on the dashboard indicating that the battery is running low.

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