The New York International Auto Show opens to the public on April 6, 2007.

A 2007 Chevrolet HHR with a custom-painted hood. (AP Photo/Mark Lennihan)

Honda's S2000 CR. (AP Photo/Mark Lennihan)

A Lexus LF-A sports car concept. It is powered by a 500 horsepower V-10 engine with a top speed of 200 mph. (AP Photo/Mark Lennihan)

A model sits in a Lamborghini Gallardo Superleggera. The 5-litre 10-cylinder Italian sport car does 0 - 60 mph in 3.8 seconds. (AP Photo/Mark Lennihan)

The new 2008 Jeep Liberty with a retractable canopy roof.  (AP Photo/Seth Wenig)

Toyota Scions on display. (AP Photo/Mark Lennihan)

Media gather around a 2008 Volvo XC70. (AP Photo/Mark Lennihan)

Ford CEO Alan Mulally poses for a picture with the new Ford Flex. (AP Photo/Seth Wenig)

The 2008 Infiniti G37 Coupe is unveiled. (AP Photo/Mark Lennihan)

The new Ford Shelby GT500KR is unveiled. The Shelby GT500KR, a high-performance Mustang, was developed with Shelby Automobiles Inc. and its founder Carroll Shelby - 40 years after the original Shelby "King of the Road" debuted at the 1967 NewYork Auto Show. (AP Photo/Seth Wenig)

Audi introduces their new vehicle, the S5. (AP Photo/Seth Wenig)

A Mercedes Benz CLK63 AMG is unveiled with fireworks. The 500 hp 6.3-liter V-8 will power the car from 0-60 mph in 4.1 seconds. (AP Photo/Mark Lennihan)

Dancers perform around the new Chevrolet concept car called "Trax." (AP Photo/Seth Wenig)

Dancers perform around the new Chevrolet concept car called "Beat." (AP Photo/Seth Wenig)

Dancers perform around the new Chevrolet concept car called "Groove." (AP Photo/Seth Wenig)

A Kia Soul is displayed. (AP Photo/Mark Lennihan)

The electric powered Chevy Volt concept car is displayed. (AP Photo/Seth Wenig)