Motor oil is one of the most important components of your car and the thing you'll replace the most frequently, but what ...

While reading an oil dipstick is pretty straightforward once you know what to look for, there a couple easy mistakes that can ...

Checking the oil level is a quick, easy job that we recommend you do at every other gas fill-up. All you’ll need is a rag or paper towel, and your car’s owner’s manual if you have questions.

CARS.COM — We’ll pull no punches in saying it: Engine oil is a crucial thing to keep tabs on from a maintenance perspective. That means you should check your vehicle’s engine oil at least ...

Our picks for the best oil filters will keep your engine oil clean to better protect your car between oil changes. CNET Cars staff. See full bio. CNET Cars staff Sept. 21, 2022 7:00 a.m. PT. 11 ...

The oil circuit is probably one of the least-understood systems in a car. We explain how it works, and why the oil light on your dashboard might be turning on and off at mysterious times.

If an engine isn’t burning or leaking oil, or if it uses, say, less than a quart over 6,000 miles or so, switching to high-mileage oil may not be worth the extra cost for you.