McKinney Buick GMC

I made an appointment for 10am on February 21st to get an oil change that's covered as part of my vehicle purchase. I let the up-sale guy talk me into an alignment based on his recommendation after touching my tires. Getting this work completed took 3 hours and 40 minutes!!! Luckily for me, and your service adviser, I was busy writing a paper and didn't realize the time until 3 hours had passed. At that time I inquired about the time remaining and was told it would be 10 more minutes. 30 minutes after that, it was completed and I was told that the long duration was due to a break-down or "issue" with the equipment needed for the alignment. Why in the world wouldn't someone notify me of this and give me an option to return at a later date? I'm not an automotive engineer but based on the before and after readings, I doubt the service was really necessary. Furthermore, when I went to leave I noticed my car was still dirty. The documents I signed stated that a complimentary wash and vacuum would be performed. The gentleman said (laughably) that they didn't have time to wash it since I was in a hurry. I guess he didn't realize I had been there for nearly 4 hours.