NASHVILLE, Tenn.--(BUSINESS WIRE)--U.S. Department of Transportation statistics show cell phones are involved in 1.6 million auto crashes each year. These crashes cause a half-million injuries and take 6,000 lives annually. To help raise the visibility of this critical issue, Nissan has partnered with NBC Universal and Adam Levine to promote “Red Thumb Day” – inspired by “Red Thumb Reminder,” a program created by Steve Babcock of EVB advertising. Marking your thumb serves as an important remind