I got my rattle can OEM paint color base and clear and primer from DuPont auto paint retailer
Begin by sanding the area with a 600-grit sandpaper.
As soon as you can feel that the surface is considerably smoother, switch to a 1000-grit sandpaper and continue sanding until the area is completely free of defects.
Once the sanding is complete, wash with water let dry
The application of a Flexible Primer will help to prevent cracking once the plastic begins to expand in the heat of the sun.
First spray 2 - 3 medium wet coats of Flexible Primer
One hour after the last coat is sprayed; the primer should be dry.
Once dry, sand the primer smooth with 1000-grit sandpaper.
After sanding, wash the area with water let dry
Spray 2 - 3 medium wet coats of basecoat over the primer, waiting 10 minutes between the application of each coat.
One hour after the last coat is sprayed; the basecoat should be dry, dull and ready for clear coat.
Spray 2 - 3 medium wet coats of clear coat over the basecoat, waiting 10 minutes between the application of each coat.
One hour after the last coat is sprayed; the clear coat should be dry.