I did not know a lot about smogs since previous to coming here, I had never failed a smog. So when I took my car there and before the diagnostic was done-- my car failed the smog, and I was really upset. I had no idea that having a check engine light on was an automatic fail. And my light was on when I smogged the car. I was upset that the technician did not warn me so I did not waste my money and could return once the light was turned off. So I called the manager and asked why the guy could not warn me so that I could have saved my money, and he explained that it is against the law for them to coach me. That the DMV checks by sending people who try to break the law to ensure that the garage is compliant. That I could call the DMV to verify this. (And I did; it is true.) However, I explained that I did not understand this and was upset that the money for the smog was wasted when all my car needed was a $15 dollar part. So the manager agreed that he would let me resmog my car at no extra charge once the car was repaired. I went in resmogged my car and passed, and it was all done in under 15 minutes. I gave this location 5 stars, because they went out of their way to make a new customer. I appreciate that the manager allowed me to resmog my car for free due to my previous lack of knowlege of how smogs work. I believe that 5 star businesses give you the excellent service you expect. I believe that some businesses deserve a 6 star rating when they go above and beyond excellent service to earn your business. So the main point of this review is this: 1) never smog your car with the check engine light on and 2) this is an excellent business with an superb manager. I gave them 5 stars, but if Yelp allowed a 6th star for extra credit I would. Great Job! Many thanks, Colleen