1. Vacuum and thoroughly clean the carpet, leather, vinyl, or plastic to remove built-up polish, dirt, or silicones. Protect any area with a painter cloth, heavy paper, or painter tape that you do not want to dye the surface.2. Before beginning to spray the area, shake the spray can vigorously for 2 minutes. You will hear the metal ball moving as you shake it. 3. Hold the can vertical and about 12 inches from the surface. Continually move the aerosol spray can from side to side using light, even strokes. Apply 2-3 additional mist coats, if desired. Wait approximately 10 minutes between coats. Never spray in a heavy pattern.4. Stand back and admire your new look! You will be amazed at your rejuvenated car interior.