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Those Little Deer Whistles on Your Bumper Promise a Lot. What Have Tests Found?

Deer whistles offer a particularly appealing bargain. Attach a small device to the front of the car and, supposedly, the air passing through it will warn animals before you reach them. There is no scr

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The Steering Column Once Pointed a Steel Shaft at the Driver. Then Engineers Made It Collapse

Drivers spend hours holding the steering wheel without giving much thought to what lies behind it. Remove the trim, switches and wiring, and the basic arrangement appears simple. A shaft carries th

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Those Giant 1970s Bumpers Were Built for Parking-Lot Crashes, Not High-Speed Safety

Look at an American car from 1971, then find the same model from 1974. The earlier car may have a slim chrome blade tucked neatly against its body. Three years later, the bumper appears to have lef

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Highway Rumble Strips Are Designed to Sound Awful, but Making Them Quieter Could Save Lives Too

One tire wanders across the painted line and the previously quiet cabin erupts with a harsh mechanical growl. The steering wheel trembles, the seat vibrates and, for half a second, it feels as if some

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The Seatbelt That Chased You Across the Door Was America’s Cheaper Alternative to an Airbag

Open the door of certain 1980s or early 1990s cars and a small buckle begins travelling along the roofline. Sit down, close the door and the shoulder belt glides toward the B-pillar, hopefully passi

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The First Crash-Test Dummy Had a Far More Terrifying Job Than Testing Cars

Long before a crash-test dummy sat behind the wheel of a family sedan, one was strapped into an aircraft ejection seat. Its assignment involved rocket sleds, aviation helmets and the violent forc

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That Concrete Highway Wall Has a Surprisingly Clever Way of Redirecting a Crashing Car

A concrete barrier beside a highway looks like one of the least forgiving objects a car could encounter. It is heavy, rigid and often positioned only a few feet from traffic moving at serious speed.

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Before Every Car Got a Third Brake Light, 343 San Francisco Taxis Had to Prove It Worked

A third brake light is remarkably easy to ignore. It sits in the rear window or above the tailgate, performs one job and receives considerably less attention than the lamps surrounding it. That ano

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Your Brand-New Car Rides Terribly. The Dealer May Have Left Its Shipping Blocks Installed

A new car is allowed a few small imperfections. The protective plastic may still be clinging to the touchscreen. The tires may feel slightly noisy before they settle in. The cabin may smell like an in

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That Emergency Window Hammer May Be Useless Against the Glass Beside You

There is something reassuring about keeping an emergency window hammer in the car. It sits in the center console or door pocket, looking wonderfully uncomplicated. If the car ever ends up in water, ca

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