This is a test of commonsense. Complete the next sentence:

How to clean tires and rims
Spray a synthetic wheel cleaner onto dry tires and allow five minutes to set in and lift off grime.
Rinse off cleaner with a hose, being sure to remove all traces of the cleaner.
Examine the tires.
If they are still not up to expectations, allow surface to dry and then repeat steps 1 and 2. Apply tire wetting formula to the walls of the tire.