Top bloke Leno shares his wealth with other car fans on a sunny Sunday morning.Jay Leno\'s gorgeous new McLaren MP4-12C was spied at the Supercar Sunday, and the well-known car buff can be seen here demonstrating the car\'s cool door mechanism as he lets a fan get behind the wheel of his V8-powered supercar.Whether the seasoned talk show host has taken the $230,000 McLaren to its 200mph limit is yet to be confirmed, but we\'ve got a fair idea his managed to sprint from 0 to 60mph in three seconds flat. With the cameras on him however, he held himself back to cruising speed.