Car Safety and 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.

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How Self-parking Cars Work

With parking space limited in big cities, squeezing your car into a tiny space is a vital skill. Learn how self-parking cars can remove the difficulty stress and uncertainty of this chore.


People Who Drive With Their Hazard Lights Flashing Are Making a Mistake

Although driving in inclement weather with your car's hazards flashing seems like a great idea, it might be both illegal and ill-advised.

What's the Point of Car Alarms If Nobody Calls the Cops?

Depending on where you live and what you drive, a car alarm can be worthwhile. Here's how to know.

7 (Bad) Reasons Why People Don't Use Their Turn Signals

You wouldn''t do that (right?) but we bet you've been behind people who switched lanes without a signal.

Are Crosswalk and Elevator 'Close Door' Buttons a Total Sham?

Nudging a thermostat, pushing an elevator button and pressing a crosswalk control are satisfying ways to control the environment around us… right? Right?

Volvo's Death-proof Promise Is Nothing New

The carmaker has been talking about fatality-free vehicles for a decade. How's that going?

Does tinfoil on your hubcaps bypass police radar?

You watch somebody zip right through an obvious speed trap — but there are CDs all over the dash and the hubcaps are covered in foil. Is that car really ticket-proof?

Can a penny help you pass a breathalyzer?

So you've been pulled over by the police, and they've put a breathalyzer in your face. Your friends once said you could beat it by sticking a penny in your mouth. Does it really work?

Did airbags make cars deadlier when they were introduced?

We don't give them a second thought now, but when airbags were first introduced, they were controversial. But did they actually make cars less safe?

Can airbags kill you?

There's no doubt that airbags are one of the great achievements in automotive safety technology. But could they actually end up hurting or killing the people they're supposed to protect?

Can seatbelts kill you?

Seatbelts are a way of life for most of us, but some think it's safer to go without them. Could following the rules and wearing a seatbelt actually end up killing you?