A very nice realistic car paint shader, it uses layered shader and it mapped reflection and sampler information.
To use this shader, open your car scene, select the [File > Import]
Select this car_paint_shader.ma,
Open [Hypershade], (Window > Rendering Editors > Hypershade)
Select your object to texture,
In the hypershade editor, hold right click on layeredShader1 and select [Assaign Material to Selection]
Download shader: http://www.fxfx.net/downloads/car_paint_shader.rar
That’s all folks,
Keep in Fx,
Caner