How long does it take to clean the accelerator of KIA k2?

As the subject wants to know, "How often does the accelerator of Kia k2 need to be cleaned?" The relevant contents are as follows:

The accelerator of KIA k2 is cleaned every 20,000 kilometers. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be successfully formed after combustion. Known as the throat of an automobile engine, it is connected with the air filter and the engine block. Take the 20/KOOC-0/9 KIA k2 sedan/KOOC-0/.4LAT/KOOC-0/5 anniversary special edition GLS V as an example: it is a small car launched by KIA of Dongfeng Da Yue, with the length, width and height of 4,400 mm,/KOOC-0/740 mm and/KOOC-0/2600mm respectively, and the wheelbase of 26,000 mm.