However, your car's engine oil doesn't accomplish those feats on its own. It relies on the smooth function of the entire engine lubrication system to work properly, including an oil filter.

Solenoids are all over our homes and cars, helping us perform all manner of important tasks. How do solenoids work, and where are they used on a car engine?

CR lists common car maintenance items, such as oil change, coolant flush, brake pads, and tire rotation and balancing, along with their typical cost.