The filter cleans the dirt out of the oil. Dirty black oil, dirty filter. You can look at the difference when you put the new filter in one hand and the old one in the other hand. Compare. That is dirt. Not changing the filter would be like taking dirty dishes and using them for the next meal. Or putting your dirty underwear back on the next day. Just not a good idea.

To actually reset the 2009 Civic you won’t be rotating the button it’s not like that. It’s exactly like the author states.

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no overfilling the oil will give you some problems later don’t overfill