Dab any wet stained areas with a soft cloth to absorb any excess liquid.
Vacuum any loose dirt or debris from the dark-colored upholstery with a soft brush attachment. Skip this step if the upholstery is wet.
Apply upholstery cleaner to the stained areas and allow it to sit for the recommended amount of time indicated on the package.
Scrub the stained areas gently with a soft-bristled brush or wipe it thoroughly with a soft cloth.
Wipe the upholstery with a clean, wet cloth if rinsing is necessary.
Dab the upholstery with a soft, dry cloth to absorb any excess liquid. Allow the upholstery to air-dry for two to three hours or overnight.