Like HowStuffWorks on Facebook!

Auto | Driving & Safety | Safety & Regulatory Devices

In the Safety & Regulatory Devices section you'll find tools and technology intended to keep drivers and passengers safe, from car seats and airbags to red-light camera technology.

Featured
How Pre-Collision Systems Work

A pre-collision detection system sounds like something out of a science fiction film; however, these systems have actually been around for several years. So, what kinds of systems are available today?


Does tinfoil on your hubcaps bypass police radar?

 Does tinfoil on your hubcaps bypass police radar?

Metal is super reflective, but it might not reflect a stop by the police. Learn if tinfoil on your hubcaps helps bypass police radar at HowStuffWorks. See more »

Can a penny help you pass a breathalyzer?

 Can a penny help you pass a breathalyzer?

Sometimes a police officer will go light on you, but probably not if you're under the influence. Learn if a penny could help you at HowStuffWorks. See more »

Did airbags make cars deadlier when they were introduced?

 Did airbags make cars deadlier when they were introduced?

Airbags necessary for your safety nowadays, but they weren't always. Learn more about airbags and their deadly history at HowStuffWorks. See more »

Can airbags kill you?

 Can airbags kill you?

Could airbags actually end up hurting or killing the people they're supposed to protect? Find out if airbags can kill you at HowStuffWorks. See more »

Can seatbelts kill you?

 Can seatbelts kill you?

Seatbelts are a way of life for most of us, but some think it's safer to go without them. Find out if seatbelts kill at HowStuffWorks. See more »

How Traction Control Works

 How Traction Control Works

Traction control prevents your car's tires from slipping on the road surface. Learn all about traction control at HowStuffWorks. See more »

How Traffic Jam Assistance Systems Work

 How Traffic Jam Assistance Systems Work

Will traffic jam assistance systems really alleviate traffic jams? Keep reading to learn How Traffic Jam Assistance Systems Work. See more »

Can your car keep you from getting tired while driving?

 Can your car keep you from getting tired while driving?

Can your car keep you from getting tired while driving? Keep reading to learn if you car and keep you from getting tired while you drive. See more »

How the Cadillac Safety Alert Seat Works

 How the Cadillac Safety Alert Seat Works

Do you know How the Cadillac Safety Alert Seat Works? Keep reading to discover How the Cadillac Safety Alert Seat Works. See more »

How Tire Pressure Monitoring Systems Work

 How Tire Pressure Monitoring Systems Work

Do you know How Tire Pressure Monitoring Systems Work? Keep reading to learn about cars and discover how tire pressure monitoring systems work. See more »