Car maintenance has a maintenance cycle. Generally, the official will give a suggested maintenance cycle, which can be shortened or extended according to your car condition, environment and driving habits. People's fitness exercise generally has a regular cycle, and some adjustments can be made according to their own time schedule, physical and psychological conditions.
Car maintenance 4s stores generally recommend the use of various additives and maintenance products. Regular use does have a certain protective effect on cars, but the effect is not obvious, just like people taking various supplements, which is harmless, but the effect is not as obvious as expected. It's all about using people's psychology.
Pure manual code words are expected to be adopted ~ ~
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