Toon Car for Iclone includes lots of functionality and easy to incorporate into your scenes

There are 2 sets of 4 tires for the car.  When you load the car the following tires are attached to the car iProp
and set to visible:

"R_Rear_Tire_Move"
"R_Front_Tire_Move"
"L_Rear_Tire_Move"
"L_Front_Tire_Move"

They are used when you have motion in your scene. They have physics embeded into them so when you play your motion these tires will rotate.  

Double click on each of the following tires to add them.  They will automatically be placed in the correct position and set to invisiable:

"L_Front Static"
"L_Back Static"
"R_Front Static"
"R_Back Static"

These tires are used when your car is not moving but you have motion in your scene. To switch the tires, simply
set the "Static" tires to visible and the "Move" tires to invisible.  Switch back and forth as needed.

There are several motions included with the car.  Just right click and from the "Perform" you will see the available motions.