1. Add water and shampoo in a 1:5 ratio (100ml of shampoo for 0.5L of water)
2. Spray on the body and let it sit for 1 minute
3. Rinse with plenty of water until no product remains
4. Dry with a microfiber towel

If you are going to do a regular wash without much dirt, you can wash the car using only the Snow Foam

It has 1.5L which may be enough to apply the product on an entire small/medium-sized car