Description of Cleaning Process: This is an automated carpet cleaning. Unit has 4 tanks, a clean water tank, detergent tank, recovery tank and a tank on the handle that is used as a spot chaser. Fill the clean water tank with water, and the detergent tank filled with the Deep clean & Neutralize (Paws & Claws) Solution sample included. The machine will automatically mix and dispense in the forward stroke and recover during the back stroke. Twice go forward and then back at 1ft per second. The unit indicated this action on the nozzle by switching between wash & dry.