How to Tell When Your Car Needs an Oil Change

https://wiki-book.win/index.php/How_to_Tell_When_Your_Car_Needs_an_Oil_Change

If your engine starts growling louder than a hungry bear, or the oil on the dipstick looks like dark chocolate syrup instead of golden honey, it's probably time. Newer cars often have a dashboard light, but the old-school test is simpler: pull the dipstick, wipe it, dip it again, and check the color. If it's dark and gritty, or if you hear a ticking sound when driving, don't wait 5,000 miles—your engine needs fresh oil now.