Break Definition - AutoZone Glossary

What Is Traction Control?

Learn everything you need to know about traction control systems.

When to Change Your Power Steering Fluid

Power steering makes keeping control of your vehicle easy. Learn when to replace this fluid.

Chevy Camaro cornering through some summer twisties

MacPherson Struts vs. Double Wishbone Suspension

Which one's better depends on what you're looking for. Learn the pros and cons of each system.

AutoZoner explaining coolant to a customer to ensure answer any antifreeze questions

What Is Antifreeze and What Does It Do?

Ever find yourself wondering about how automotive coolants work? Us too. Learn what you need to know about antifreeze.

The tail light of a Pontiac G8, at an angle

How to Replace Tail Lights

Tail lights are crucial to your safety when driving on the road. Luckily, changing them out is a simple DIY job. Learn how to change out your tail light bulbs.

AutoZone associate diagnosing P0456 with a scan tool

P0456: Evaporative Emissions System - Small Leak Detected

Learn what P0456 means and what to do about this trouble code.

Adding Zinc to motor oil for a car or truck

Zinc Additives in Motor Oil and How They Help

Recently, Zinc has become even more important in the car community, mostly because of the old adage, “you don't know what you got 'til it's gone.”

Is your Wheel Hub Assembly worn out?

Wheel hub assemblies are sealed for life and are designed to last for the entire time you own your vehicle. But, like anything, they can fail or wear down, leading to problems.

Man looking at STP 5W-30 synthetic motor oil at an AutoZone store.

Synthetic Oil vs. Conventional Oil -- Which Is Better?

Both synthetic and conventional oil will protect your engine, but it all comes down to what is a better fit for your car. Here are a few tips from AutoZone to help you decide.