I'm about to purchase a set of the clear plastic Exactomats for my 2005 Prius. Unfortunately, the carpet floor mats have alread gotten a bit scuffed up. Anybody have a great cleaning technique for the mats?
yes, I lay 'em out on the lawn and first spray any dark (like grease) spots with WD40, let 'em sit a minute, then hose 'em down and scrub 'em with soapy (I use dish soap, which I'm told is too strong to use on the car itself) water, using a nylon-bristle cleaning brush. Hose the soap off and voila.
For cleaning carpet floor mats, we hit the greasy spots with "Spray & Wash", and place the mats in the washing machine on gentle cycle with hot water and a little detergent. Then lay them out to dry overnight before placing them back in the car. Look like new, every time! You need a big washing machine to do this - they won't fit well in a small machine. And you will typically need to fold them to fit in a large machine. Try to balance the load so the spin cycle doesn't shake the washer.