Guides

Swapping an old battery for a new one can be easily accomplished in less than an hour.

The popularity of electric vehicles is growing rapidly. Here are answers to common questions, starting with how long EV batteries last and charging costs.

If your car stalls, get off the road ASAP. Turn on your hazard lights and coast to the shoulder. Then, check if there's a quick fix.

Synthetic motor oil is the better choice for most modern vehicles. Here's why.

Decode the 17-digit VIN (vehicle information number) to discover the history of your current vehicle or one you might buy.

Oil coolers extend engine life and improve efficiency, especially for high-performance vehicles that hit the track.

Vehicle emissions testing helps communities reduce air pollution. Learn what pollutants are tested and how to get your car ready.

Read our guide to how a car engine works and types of engines, including gasoline, diesel, hybrid, and electric.

Learn about the many parts of an internal combustion engine and how they work together to move your vehicle down the road.

Read our step-by-step guide. We also explain how to troubleshoot a dead battery or bad alternator.

Does it mean that your car is about to die? The short answer is no. Here's how to know what it means for sure.

Read about the difference between snow chains and cables. Get all the necessary info about installing snow chains and driving with them.

Find out if your tire valve stem needs to be replaced and if you should do it on your own.

Father’s Day takes on a new dimension when dad’s a car fanatic. This guide can help you plan for the celebration on June 18.

Learn how to plug a damaged tire. You might be able to to plug that hole instead of replacing the entire tire. Get the details.

Whether driving in mud or rock-crawling, the most important off-roading rule is never wheel alone. Here's what you need to know.

The brake booster multiplies the force from the brake pedal to assist in slowing a vehicle. Most vehicles use a vacuum booster.

Hitting the open road for a family road trip is a great American tradition. Our handy tips help smooth out the ride.

This concise overview of braking systems explains how each setup works and how they differ from one another.

Most vehicles have a set of disc brakes in front, if not on all four wheels. But which is better, drum brakes or disc brakes?

Uneven wear patterns on a tire is known as tire cupping or scalloping. Driving on cupped tires is dangerous.