Question: what is the best carpet shampoo for cars?
Answer: Editor's Pick: CarGuys Super Cleaner. ... 
Tuff Stuff Multi-Purpose Foam Cleaner. ... 
Chemical Guys Fabric Clean Carpet and Upholstery Shampoo. ... 
Chemical Guys Lightning Fast Carpet and Upholstery Stain Extractor. ... 
Meguiar's Carpet and Upholstery Cleaner (G9719) ... 
Mothers Carpet and Upholstery Cleaner (05424)