Car Tutorial car maneuverability

Hello,
I am using the Lamborghini car from the Unity car tutorial. But it is very hard to maneuver the car, it is like driving on ice when I turn. These are the variable values I currently have:

http://i1151.photobucket.com/albums/o633/create3dgames/properties_zps7064c237.png

How can I make the car more easier to steer without spinning out of control so much? That is, which of the variables below affect the maneuverability of the car?

bump

Wow…I thought for sure someone would know the answer