CHICAGO, IL - FEBRUARY 07: Toyota introduces the 2014 Tundra pickup truck at the Chicago Auto Show on February 7, 2013 in Chicago, Illinois. The Chicago Auto Show, one of the oldest and largest in the country, will be open to the public February 9-18. (Photo by Scott Olson/Getty Images)

CHICAGO, IL - FEBRUARY 07: Bill Fay, Toyota's group vice president and general manager, introduces the 2014 Tundra pickup truck at the Chicago Auto Show on February 7, 2013 in Chicago, Illinois. The Chicago Auto Show, one of the oldest and largest in the country, will be open to the public February 9-18. (Photo by Scott Olson/Getty Images)

CHICAGO, IL - FEBRUARY 07: Toyota introduces the 2014 Tundra pickup truck at the Chicago Auto Show on February 7, 2013 in Chicago, Illinois. The Chicago Auto Show, one of the oldest and largest in the country, will be open to the public February 9-18. (Photo by Scott Olson/Getty Images)

CHICAGO, IL - FEBRUARY 07: Bill Fay, Toyota's group vice president and general manager, introduces the 2014 Tundra pickup truck at the Chicago Auto Show on February 7, 2013 in Chicago, Illinois. The Chicago Auto Show, one of the oldest and largest in the country, will be open to the public February 9-18. (Photo by Scott Olson/Getty Images)

CHICAGO, IL - FEBRUARY 07: Bill Fay, Toyota's group vice president and general manager, introduces the 2014 Tundra pickup truck at the Chicago Auto Show on February 7, 2013 in Chicago, Illinois. The Chicago Auto Show, one of the oldest and largest in the country, will be open to the public February 9-18. (Photo by Scott Olson/Getty Images)

Bill Fey, Group Vice President and General Manager, Toyota Division Toyota Motor Sales, U.S.A., Inc., unveils the 2014 Toyota Tundra at the Chicago Auto Show Thursday, Feb. 7, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

The redesigned 2014 Toyota Tundra is photographed behind a projection screen during its unveiling at the Chicago Auto Show Thursday, Feb. 7, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

The redesigned 2014 Toyota Tundra is eunveiled at the Chicago Auto Show Thursday, Feb. 7, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

The redesigned 2014 Toyota Tundra is unveiled at the Chicago Auto Show Thursday, Feb. 7, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

The interior of the redesigned 2014 Toyota Tundra is unveiled at the Chicago Auto Show Thursday, Feb. 7, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)