Grab your Mountain Edition bucket and fill it 3/4 full of water. We'd also recommend grabbing a Rinse bucket available separately if you wish, and insert the Great Barrier Thingy into the bottom. We strongly recommend 2 buckets - one for clean rinse water, and one for your wash water. The idea here is to dip your wash tool into the wash water, wash a section of the car, then bring your wash tool back to the clean rinse water and ring it out in there, before going back into the wash water and washing the next section, to stop dirt and contamination going into your wash water as much as possible.
Fill up one capful of Red Stuff wash and pour it into the bucket, giving the cap a good thrash around in the bucket. Agitate the bucket with your pressure washer or the Jet setting on your hose to mix the wash and produce a nice head of suds.
Dip your wash tool into the wash suds and let the suds soak into it for a couple seconds (squeezing it gently can help it absorb the wash suds), then starting at the roof of the car, gently wash in a back and forth motion, then side to side so that you don't miss any spots. We prefer not to go in circles when washing - not because it will create swirl marks, but because when you do small circles, there's always a bit that you miss. When you wash up and down, then back and forth, you are guaranteeing that you don't miss any spots.
After washing the first section, dip your mitt into the clean rinse water and thrash it about and/or squeeze the suds out so that any dirt or grime leaves the wash tool, then dunk it back into the wash suds and do the next section of the vehicle, leaving the lower dirtier sections till last.
Once you've washed the whole car, rinse the suds off thoroughly (NOTE: if you're washing in the sun, rinse the suds off periodically - don't let them dry on the paint).