Coddle Models

Cars that can steer themselves--at a dealer near you

Courtesy American Honda Motor Co., Inc.

2014 Acura RLX.

It's hard to fall asleep at the wheel in broad daylight. But I had to play possum if I wanted to witness firsthand how the 2014 Acura RLX is supposed to rescue careless drivers. Like an increasing number of other vehicles on North American roads, the top-of-the-line RLX comes with a so-called lane-keeping aid. Should my eyelids crash and my car start to drift--or should I cross the line without flicking my blinker--the car is designed to intervene. So what does it feel like when your machine takes over?

During a weekend test drive in Virginia on Interstate 66, I turned...

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