How much is a Great Wall m4 electronic throttle?

I personally think it's normal for the electronic throttle to ring for a few seconds after it is turned off. The driving motor of electronic throttle is generally stepping motor or DC motor, and their control methods are also different. The buzzer goes off for a few seconds. This is because it is a self-checking system specially designed by automobile manufacturers. If there is a problem, the car fault light will come on. I don't think you need to worry about this. If you are not at ease, please take the time to go to the 4S store and ask the technicians if this noise belongs to the self-inspection system.