Jimmie Johnson, driver of the #48 Lowe's Chevrolet, races during the NASCAR Sprint Cup Series CARFAX 400 at Michigan International Speedway on August 16, 2009 in Brooklyn, Michigan. Harry How/Getty Images

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, sits in car during qualifying for the NASCAR Sprint Cup Series Dickies 500 at Texas Motor Speedway on November 6, 2009 in Fort Worth, Texas. Jonathan Ferrey/Getty Images for NASCAR

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, sits in his car in the garage prior to practice for the NASCAR Sprint Cup Series Ford 400 at Homestead-Miami Speedway on November 20, 2009 in Homestead, Florida. Chris Graythen/Getty Images

Jimmie Johnson (L), driver of the #48 Lowe's Chevrolet, stands with his wife Chandra on the grid prior to the NASCAR Sprint Cup Series Sharpie 500 at Bristol Motor Speedway on August 22, 2009 in Bristol, Tennessee. Rusty Jarrett/Getty Images for NASCAR

Jimmie Johnson (L), driver of the #48 Lowe's Chevrolet, watches lap times with crew chief Chad Knaus (R) during practice for the NASCAR Sprint Cup Series NASCAR Banking 500 at Lowe's Motor Speedway on October 16, 2009 in Concord, North Carolina. Geoff Burke/Getty Images for NASCAR

Jimmie Johnson, driver of the #48 races with Kevin Harvick, driver of the #29 during the Gillette Young Guns Prelude to the Dream at Eldora Speedway on September 9, 2009 in Rossburg, Ohio. Chris Graythen/Getty Images for True Speed Communication

President Barack Obama (L) poses for pictures with 2008 NASCAR Sprint Cup Champion Jimmie Johnson (R) during a South Portico event at the White House August 19, 2009 in Washington, DC. Obama hosted the NASCAR champion and other drivers to honor their accomplishment in the chase. Alex Wong/Getty Images

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, walks in the garage area prior to practice for the NASCAR Sprint Cup Series TUMS Fast Relief 500 at Martinsville Speedway on October 23, 2009 in Martinsville, Virginia. Streeter Lecka/Getty Images

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, slides through the grass as he celebrates after winning the NASCAR Sprint Cup Series NASCAR Banking 500 at Lowe's Motor Speedway on October 17, 2009 in Concord, North Carolina. Streeter Lecka/Getty Images

Jimmie Johnson celebrates his win in the NASCAR Banking 500 at Lowe's Motor Speedway with a burnout on the front straight. DAVIE HINSHAW - dhinshaw@charlotteobserver.com

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Jimmie Johnson, driver of the #48 Lowe's Chevrolet, crosses the start/finish line to take the checkered flag to win the NASCAR Sprint Cup Series AAA 400 at Dover International Speedway on September 27, 2009 in Dover, Delaware.Chris Trotman/Getty Images

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, crosses the finish line to win the NASCAR Sprint Cup Series Pepsi 500 at Auto Club Speedway on October 11, 2009 in Fontana, California. Jason Smith/Getty Images for NASCAR

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, performs a burnout next to his crew after winning the NASCAR Sprint Cup Series Checker O'Reilly Auto Parts 500 at Phoenix International Raceway on November 15, 2009 in Avondale, Arizona. Todd Warshaw/Getty Images for NASCAR

Jimmie Johnson driver of the #48 Lowe's Chevrolet celebrates with his crew members by doing a burnout on the front stretch after winning the NASCAR Sprint Cup Series Checker O'Reilly Auto Parts 500 at Phoenix International Raceway on November 15, 2009 in Avondale, Arizona. Robert Laberge/Getty Images for NASCAR

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, performs a burnout after winning the NASCAR Sprint Cup Series Checker O'Reilly Auto Parts 500 at Phoenix International Raceway on November 15, 2009 in Avondale, Arizona. Christian Petersen/Getty Images

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, celebrates with the checkered flag after winning the NASCAR Sprint Cup Series AAA 400 at Dover International Speedway on September 27, 2009 in Dover, Delaware. Nick Laham/Getty Images

Jimmie Johnson, driver of the #48 Lowe's Chevrolet, celebrates in victory lane after winning the NASCAR Sprint Cup Series AAA 400 at Dover International Speedway on September 27, 2009 in Dover, Delaware. Geoff Burke/Getty Images for NASCAR

Jimmie Johnson climbs from his car after practice for the NASCAR Ford 400 Sprint Cup series auto race at the Homestead-Miami Speedway in Homestead, Fla., Saturday, Nov. 21, 2009. (AP Photo/J Pat Carter)

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