Here's how to check the six essential fluids in your car. After fuel (unless you have a fancy EV), oil is your car's most ...

Checking your windshield wiper fluid is not like checking your oil — it doesn’t have a dipstick. You simply fill it up or top it off until it’s full.

The brake fluid reservoir is usually plastic and clear or semi-translucent. This allows you to visualize the brake fluid levels without removing the cap. The reservoir is usually in the back of ...