Under the Hood
The Under the Hood Channel explores the systems that make your car function correctly. Learn about car parts and systems and how to do routine maintenance.
10 Popular Car Modifications
How to Set up Car Speakers
10 Car Accessories That Could Be Dangerous
Modern Cars Are Kind of Boring. Why Is That?
Can car companies let known defects go without a recall?
Do car interiors turn toxic in the summer?
Making a Car Last for 300,000 Miles Is Totally Possible — Here's How
Are cars designed to fail at a certain point?
Will it hurt to spray electrical contact cleaner in an ignition?
What's the Fastest Car in the World?
Is Your Junk in the Trunk or the 'Frunk'?
You Can't Take Your Fancy Self-Driving Car Out of the City, Yet
The Long Strange History of License Plates in the U.S.
Do red cars get pulled over more often for speeding?
Do red cars cost more to insure?
How Do I Get Rid of a Dead Animal Smell in My Car?
5 Signs Your Engine Is Losing Power
How Gas Compression-ignition Engines Work
Did cars ever have external combustion engines?
How does engine placement affect handling?
Dieselgate and the Volkswagen Cartel
Diesel Isn't Always a Worse Polluter Than Gasoline
How Coal Rollers Work
10 Cold-weather Motorcycle Accessories
Is all motorcycle apparel made of leather?
What motorcycle accessories will help me stay cool?
How Laser-powered Headlights Work
How Air-Conditioned Seats Work
5 Useful Voice-activated Commands for Your Car
How to Avoid a 'Hurricane Car'
6 Automotive Parts You Can Easily Recycle
Get Money For Your Old Car Batteries
How Does Vertical Acceleration Work?
How Car Suspensions Work
How Car Steering Works
Why the Stick Shift Is Going Extinct
Gas-powered vs. Electric Cars: Which Is Faster?
Are manual transmissions really faster than automatics?
How to Replace Your Car's Serpentine Belt
The Dirty Truth About How Often You Need Your Oil Changed
Is Your Car Road-trip Ready?
How Many Wheels Are in the World?
Why Do Tires Blow Out More in Summer?
Winter Tires Really Do Make a Difference in the White Stuff
What Is an Ignition Coil?
Can your car tell you when the light's about to change?
How the Open Automotive Alliance Works
How many wheels are in the world is a hotly debated question swirling around the internet. But it's not that easy to answer.
Your car's ignition coil supplies the engine with the high voltages needed to get the car running. But how do you know if the ignition coil is malfunctioning?
By Talon Homer
When license plates were first introduced in the U.S. in 1901, you had to make your own. Nowadays, prisoners make them for you. Yes, it's true. Find out more about this and other strange facts about license plates.
By Talon Homer
Your car's serpentine belt is a single, continuous belt that drives lots of things like the car's alternator and power steering pump. So how do you replace it when it's starting to fail?
Sales of stick shifts are down around the world and even some sports car manufacturers have stopped making them. Still, many zealous auto enthusiasts are doing all they can to keep the old three-pedal motion alive.
By Talon Homer
If your car is built like a supersonic plane, you can sure reach blazing fast speeds. But what about a car you can actually buy?
By Talon Homer
Frunks, usually reserved for VW Beetles and classic European sports cars, are moving into the mainstream, as trunks take a front seat.
The answer isn't as simple as it seems.
How often should you change your oil? If you think it's every 3,000 miles, think again.
Ever notice you see more tire debris on the side of the road during the hottest months of the summer? Could the heat have anything to do with it?
By Alia Hoyt
Even if you're not a car enthusiast, you might still want to consider one of these modifications to make your ride the best on the block.
You may be surprised to know that self-driving cars never go on country roads because so far companies have only done the necessary precise mapping on city streets. An MIT project is changing all that.
Have the right Volkswagen execs paid for lying to the public about their car's environmental standards and emissions?
By Diana Brown
You might think your car is fine for your upcoming summer road trip. But if it's more than 10 years old, you might want to think again.
All you have to do is sit back and relax.
Fighting the funk brought on by an animal decomposing inside your car engine can be hard, but not impossible. Here's how to do it.
By Dave Roos
Winter tires are very different from all-season and snow tires. So who needs them?
There are a lot of vanilla vehicles being churned out these days. What's the deal?
As many as a third of new 2017 cars didn't come with spare tires. So what's the deal?
Will the programming of truly driverless cars prevent them from violating traffic laws? That might actually make traffic move faster.
Will the world's first commercially available gas compression-ignition engine finally be a success?
2017 has been a crazy year for hurricanes, which means it could be a crazy year for flood-damaged cars hitting the market, too. How can you spot one?
Whether diesel- or gasoline-powered cars spit out more toxins depends on the pollutant measured, a new study says.
Autonomous vehicles could prevent a lot of car accidents from occurring. And that's good news — except for one particular population relying on organ donations.
Thanks to some open source software on the internet, other people are trying it too.
By Alia Hoyt