How Adaptive Headlights Work

Car accidents occur often at night, and part of the reason might be that your headlights just aren't good enough. Adaptive headlights eliminate the visibility problems you experience every time you take the car out after dark.

How Car Alarms Work

They beep wail and some yell at you (yes yell!). Auto alarms are complex these days with sensors that set off the siren before a potential thief even touches the car. Learn all about car alarms.

How Cruise Control Systems Work

Cruise control is already an amazing system, and it's evolving into something a lot more powerful. Learn how cruise control works and check out some of the adaptive systems in development.

How E-ZPass Works

If you’re a regular on toll roads, you probably either know about E-Zpass or you already have one. Learn all about this ingenious and convenient technology and how it automatically lets you pay your way.

How OnStar Works

OnStar is a popular vehicle telematic service that can do several things for you, like get help, check e-mail, and make hotel reservations. Learn all about OnStar OnStar services and other types of car navigation systems and computer technology.

How OnStar Works

Its critics call the popular telematics service "Big Brother" and claim that it can lead to an invasion of privacy. Explore the technology behind OnStar and learn about the controversy.

How Power Door Locks Work

Power door locks used to adorn only luxury cars. Today, these handy amenities are standard on more than half of the cars sold in America. Learn what happens after you push the button!

How Power Windows Work

Ever wonder what's behind the auto-up feature that can detect obstacles? Power windows are one of those hidden miracles in cars -- they're actually pretty amazing once you learn about them. Find out how power windows operate!

How Radar Detectors Work

If you have a lead foot you may have invested in a radar detector. Find out how these devices pick up police radar and lidar and learn what a jamming signal does.

How Remote Entry Works

Did you know that the fob that you carry on your keychain or use to open the garage door is actually a small radio transmitter? Find out how the original 1950s fobs evolved from single-code transmitters to the high-tech security devices they are today.

How Turn Signals Work

To most drivers turn signals seem pretty simple: There’s a lever that makes your signal lights flash. But there’s actually some cool technology at work. Find out how this under-used device operates.

How Windshield Wipers Work

What began as a hand-cranked system is now automatic and only getting more so: Some windshield wipers can actually sense rain. Learn the mechanincs behind this essential automotive tool.

How Ford Sync Works

Automakers understand that many customers don't like to be without their cell phones and music players. Ford Sync Ford and Microsoft's new vehicle system keeps cell phones and MP3 players connected with the touch of a button. Learn about Ford Sync.

How do the blue-ish headlights on expensive luxury cars work?

I notice that there are certain cars whose headlights seem to have a blue-ish or green-ish tint. A lot of times these headlights are on expensive cars. Are these headlights different from normal headlights?

How does a car's rearview mirror work when it's in the glare-resistant setting?

Glare-resistant rearview mirrors can be useful when the vehicle behind you has extra bright headlights. Find out how simply flipping the rearview mirror can block out the bright light.