Blot up fresh orange juice using white paper towels. Lift as much orange liquid as possible.
Extract any remaining fresh orange juice from the area using a wet/dry shop vacuum.
Prepare a solution to dissolve the remaining orange stain. In a container, stir together 2 cups warm water and 1 tablespoon of clear, dishwashing liquid.
Moisten a white cleaning cloth in the solution. Dab the car’s carpet with the sudsy cloth until no more orange liquid transfers. Always press a fresh section of cloth onto the carpet.
Mist the area with fresh, cool water. Using a fresh cleaning cloth, blot the moist carpet to rinse out soap residue.
Examine the car’s carpet for orange stains. If any orange juice stains remain, mist the affected carpet with 3 percent hydrogen peroxide. Let the remaining orange juice absorb the peroxide for an hour.
Blot up the remaining orange stain using another cleaning cloth. Apply more hydrogen peroxide to the area, if necessary.
Fold a bath towel and lay it over the damp carpet. Keep the car’s carpet covered until it is completely dry.