Most people understand that motor oil is a vital component for the internal combustion engines that power most of our cars. Not only does oil act as a lubricant, allowing internal moving parts to ...

Motor oil is the lifeblood of your car's engine. Not only does it provide lubrication for all of your engine's internal moving parts — of which there are massive amounts — but it also works like a ...

It sounds like a basic procedure — pull the dipstick, check the oil level, and top off if needed. However, if that is your whole game plan, you might be missing what the dots and lines on that metal ...