Brad Keselowski checks his phone as he sits in his car as the crew works on it during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Juan Pablo Montoya, of Colombia, drives his car down the front stretch during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Brad Keselowski climbs into his car during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Brad Keselowski drives his car during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Joey Logano, left, talks to Brad Keselowski during a break in testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Joey Logano drives his car down the front stretch during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Matt Kenseth takes his car onto the track during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)