laser wash

Hoping someone here can help. My laser wash 4000 has a ghost malfunction.The ghost problem is very inconsistent it may happen every 20 washes or every other wash. What happens is a rear impact on the first pass always. But it seems the problem starts at the front of the vehicle. When the wash...

Looking for a knowledgeable and reliable car wash service tech in the Dallas/Ft Worth Area. I prefer an independent that is familiar with self serve and auto. Who do you recommend??