Auto Definition - AutoZone Glossary

Why are My Windshield Wipers Not Working?

Windshield wiper blades not working right? Learn how to diagnose wiper issues.

How Car Batteries Work

Ever wonder how a car battery works? Read this article and learn how they power your vehicle.

Road Trip Tips & 9 Destinations

Check out these road trip tips and learn 9 destinations for a great vacation.

Close up image of an engine with four fuel injectors running along the fuel rail

The Evolution Of Fuel Injection

Ever wonder about the history of fuel injection? Us too. Check out how cars moved from carburetors to electronic fuel injection.

STP synthetic and conventional oils on the AutoZone parts counter

Is Synthetic Oil Worth It?

If you've never used synthetic oil, it might be time to make an upgrade. Learn about the advantages of synthetic oil and decide if it's time to upgrade.

Diagram showing the locations of major components in the engine cooling system

How the Cooling System Works and How to Maintain It

Your vehicle's cooling system keeps your engine from overheating by pushing coolant that is cooled in the radiator through passages on the engine block and head.

AutoZone employee using fix finder to diagnose check engine light

P0442: Evap Emission Control System Leak Detected

Learn about trouble code evaporative emission system leak detected and how to fix it in this article.

High Mileage Motor Oil from AutoZone with STP oil filter

What is High Mileage Oil?

High mileage oil is pretty much what it sounds like, oil for engines with a lot of miles on the odometer—more than 75,000 miles to be exact.

A Jeep wrangler sitting in an open garage at night with the headlights on.

How to Adjust Your Headlights

Need to adjust your car's headlights? It's not as complicated as you may think.