How often does Mai Rui Bao wash the accelerator?

The following is about "How often does Mai Rui Bao wash the accelerator?" Related introduction:

Mai Rui Bao washed the throttle for 20,000 kilometers. Throttle is a controllable valve that controls air to enter the engine. There are two types: traditional cable type and electronic throttle. After the gas enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be burned to do work. It is called the throat of an automobile engine, which is connected with the air filter and the engine block. Take Mai Rui Bao 20 18 530T Fashion Edition as an example: it is a medium-sized 4-door 5-seat sedan under SAIC-GM Chevrolet, with the length, width and height of 4855mm, 1854mm and 1476mm respectively, with a wheelbase of 2737mm and a 6-speed automatic manual transmission.