There are several fluids that you should check regularly, including engine oil, transmission fluid, coolant, brake fluid, and power steering fluid. Consult your car's owner manual to know which fluids to check, where to locate them, and how to check the levels.
Know which fluids to check
When checking your car's fluid levels, it's important to park it on a level surface to get an accurate reading.
Park your car on a level surface
Most fluids should be checked when the engine is cool to get an accurate reading. Hot fluids may be under pressure and could burn you if you try to check them.