What is the barrier-free pedal of the bus equivalent to?

Barrier-free tools. The barrier-free pedal on the bus is a barrier-free facility tool specially designed for disabled wheelchairs, which is used to connect a carriage between the platform and the ground. In normal operation, it brings great convenience to help wheelchair passengers provide services. In addition, the yellow pedal on the bus is an openable pedal. If you want to ride in a wheelchair or stroller, just press the wheelchair prompt button at the back door of the vehicle and the driver will receive the prompt. When getting off the bus, turn the yellow auxiliary pedal over to form a ramp, which is convenient for people with inconvenient legs and feet to get on and off the bus.