How often does sagitar 1.6 clean up carbon deposits?

For example, how often does sagitar 1.6 clean up carbon deposits? The relevant contents are as follows:

Sagitar 1.6 Clean up the carbon deposit once every six months or 1 10,000 kilometers. Engine carbon deposition is very common. In urban areas, the driving distance is short and the speed is slow. If the engine stops running for a long time, the engine will run in the non-economic working area. If the idle time is long and the engine speed is low, the air-fuel ratio will be too small and the combustion will be incomplete, and the hydrocarbons and gum in the fuel will be burned into carbon deposits. Sagitar 1.6 is a compact car launched by FAW-Volkswagen. Its length, width and height are 4655mm, 1780mm and 1453mm respectively, and its wheelbase is 2651mm. In terms of power, this car is equipped with a 1.6L naturally aspirated engine with a maximum power of 8 1kw, matching a 5-speed manual transmission and a 6-speed automatic manual transmission.