If the remote control of the MN MODEL MN168 RC CAR is not sensitive, how to solve it?

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My MN168 RC CAR has recently had the problem of insensitive remote control. Sometimes I clearly pressed the button on the remote control, but the vehicle did not respond. I wonder if you have encountered similar problems and how to solve them?

1. This problem may be caused by insufficient battery power of the remote control, signal interference between the remote control and the vehicle, or a fault in the receiving module inside the vehicle.
2. You can first check whether the battery power of the remote control is sufficient, and then try to change the remote control operation to see if the problem still occurs.
3. If it still cannot be solved, it may be that the receiving module inside the vehicle is faulty, and you need to find a professional maintenance personnel to check and repair it.