Turtle Wax Interior 1 Upholstery Car Interior Shampoo is one of our best car interior cleaner products with a highly concentrated fabric and upholstery cleaner that will tackle commonly found stains and soiling on all vehicles interior fabrics, carpets, and vinyl. With the versatility to be applied by hand or through a machine the high foaming formulation will remove tough coffee, chocolate, and milk stains while also tackling common vehicle odors created by smoking, food, and pets.