[header] How to clean and maintain a suede couch [title] Use a protective spray that is safe for suede. [step] Although not entirely foolproof, treating your couch with a protective spray will help prevent spills from becoming permanent stains. [substeps] Some protective sprays are water based while others are a synthetic solvent. 
Consult your owner's manual to see what type of cleaners are safe for your couch. Please be aware that if the couch is brand-new that applying fabric/upholstery protector may void the warranty.