AUTO INTERIORS – (5:1) Note: for Leather Interiors see section on Leather. Spray solution (or foam on all surfaces first to allow grime to begin breaking down while you work. Use a small brush or toothbrush to get into crevices. Wipe each surface with damp towel or cloth (spray with distilled or other purified water for greater cleaning power). Scrub where necessary. Follow with dry cloth. For fabric upholstery, use foamer in a lighter solution. Brush clean in a circular motion. Lift stains by spot cleaning and pressing with clean cloth, alternating damp cloth with dry cloth.