Hold the brake handle, turn the speed control handle to the maximum, and then open the electric door lock.
Release the speed control handle and brake handle at the same time within 2 seconds: hold the brake handle again after a certain interval (within 2 seconds).
Adjust the governor to the maximum again, and repeat the operation for 3 times (each interval shall not exceed 2 seconds).
Press and hold 10 second for the third time, and then release it to enter the speed limit state. If it is not adjusted, please go to the garage and ask a professional to help you adjust it.