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WASHINGTON (AP) — Using voice commands to send text messages and emails from behind the wheel, which is marketed as a safer alternative for drivers, actually is more distracting and dangerous than simply talking on a cellphone, a new AAA study found.

Automakers have been trying to excite new-car buyers, especially younger ones, with dashboard infotainment systems that let drivers use voice commands to do things like turning on windshield wipers, posting Facebook messages or ordering pizza. The pitch has been that hands-free devices are safer because they enable drivers to keep their hands on the wheel and their eyes on the road.

But talking on a hands-free phone isn’t significantly safer for drivers than talking on a hand-held phone, and using hands-free devices that translate speech into text is the most distracting of all, researchers found. Speech-totext systems that enable drivers to send, scroll through, or delete email and text messages required greater concentration by drivers than other potentially distracting activities examined in the study like talking on the phone, talking to a passenger, listening to a book on tape or listening to the radio.

The greater the concentration required to perform a task, the more likely a driver is to develop what researchers call “tunnel vision” or “inattention blindness.” Drivers will stop scanning the roadway or ignore their side and review mirrors. Instead, they look straight ahead, but fail to see what’s in front of them, like red lights and pedestrians.

“People aren’t seeing what they need to see to drive. That’s the scariest part to me,” said Peter Kissinger, president and CEO of the AAA Foundation for Traffic Safety, the group’s safety research arm. “Police accident investigative reports are filled with comments like the ‘looked, but did not see.’ That’s what drivers tell them. We used to think they were lying, but now we know that’s actually true.”

There are about 9 million cars and trucks on the road with infotainment systems, and that will jump to about 62 million vehicles by 2018, AAA spokeswoman Yolanda Cade said, citing automotive industry research. At the same time, drivers tell the AAA they believe phones and other devices are safe to use behind the wheel if they are handsfree, she said.

“We believe there is a public safety crisis looming,” Cade said.



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