One of the smallest details of the 2017 Nissan Murano might just be one of its most important – a little amber coffee cup symbol that may appear in the center of the instrument panel. The cup is part of the visual and audible warning provided by Nissan’s Driver Attention Alert (DAA) system, which is designed to help detect drowsy and inattentive driving. DAA is offered on 2016-2017 Maximas as part of a comprehensive suite of safety and driving aids, and is also available on the 2015 and newer Murano crossover.
According to a November 2014 study by the AAA (formerly the American Automobile Association), 37 percent of drivers report having fallen asleep while driving at some point in their lives, with 11 percent having done so in the past year. Results of the survey suggest that drowsy drivers are also involved in approximately 300,000 crashes each year, 6,400 of them fatal. Driver fatigue and inattention also pose safety concerns, which the Driver Attention Alert system is intended to address.
How Nissan’s DAA Works
Nissan’s DAA system adapts to each individual driver. DAA monitors steering input patterns (using steering angle sensors) during a period of driving to establish a baseline. It continuously compares subsequent driving patterns to a baseline using a statistical analysis of steering correction errors.
If it detects driving behavior consistent with a drowsy or inattentive driver, the system uses an audible chime sound and displays the amber coffee cup with a message reading, “Take a break?” in the vehicle’s information display. The DAA includes logic to help address false detection, road curvatures, lane changes, braking and even poor road conditions. The system automatically resets when the engine is turned off. It can also be turned off by the driver if desired.
It is the driver’s responsibility to remain alert at all times. DAA is only a warning to inform the driver of a potential lack of driver attention or drowsiness. It does not detect and provide an alert in every situation.
Here’s the official Nissan video explaining the system –
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