If scratch superficial also does not reach some metal, act in a sledushchy way:
Wipe area round scratch an obnovitel of paint or fine-grained abrasive paste.
Wash out a surface pure water.
Put on scratch with a brush a thin paint coat and let's to it dry. Continue to put paint to level of a paint and varnish surface.
Let's to paint harden within 2 weeks and then polish a site of a surface of a body by means of wax paste.
If scratch, having damaged paint, got into body metal, act in a sledushchy way:
With tip of a sharp knife remove a rust from scratch.
Put the rust converter according to the instruction.
With Shpatel put on scratch shpaklevochny paste.
After its complete drying paint over and polish the damaged site.