its a car wash people. you pay for people to wash your car. you cant blame the company for stupid stuff.
if you dont like the job they did, tell them before you leave, and they will gladly redo it. not everyone is perfect but if you give them the chance they will fix the problem for you in a heart beat. you cant blame them for something they dont know about. and you cant blame them if you dont give them the chance to fix it.
but all in all it is good. only 1 in my 20 or so visits have i ever had to say something to them, and that was just to wash the back window they missed
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