Before
This is an easy mistake to make. An inexperienced user might think that you want to go through these car washes very quickly to really knock the dirt off, but you actually want to drive slowly and let the rotating brushes and spray nozzles do all the work.
After
This is a simple mistake. An inexperienced user may think you want to go through this car wash too early to get rid of the smile, but in reality you want to drive slowly and allow the rotating brushes and spray sparks to do all the work.