Wash the car thoroughly
Dry the scratched area completely
Inspect the scratch depth with your fingernail
Use a clay bar to remove surface contamination
Mask off surrounding trim and edges
Apply rubbing compound to a microfiber applicator or polishing pad
Work the compound into the scratch using light to moderate pressure
Buff the area with a clean microfiber towel
Repeat if needed until the scratch fades
Use a finer polish to refine the finish
Wipe away residue and inspect under good lighting
Apply wax or paint sealant to protect the area
Use touch-up paint if the scratch reaches the primer or metal
Seek professional repair if the scratch is deep or widespread