How does Haval F7 turn on and off the speed alarm function?

Haval F7 turns on and off the speed alarm function as follows:

Press the OK button to turn on or off the speed alarm function.

After the vehicle speed alarm function is turned on, you can press the or button to adjust the alarm speed. When the driving speed reaches or exceeds the set value, the instrument cluster will give a warning to remind you that the driving speed is too high, so please drive safely.

This problem applies to 20 18 vehicles.