the first time I took our 2016 to the dealer, i went to the service bay lines, not the quick oil lube line (nothing in the confirmation email or on their website said anything different). I got out of the vehicle and the service guy came up and asked what I was there for, and I told him the 10,000 service. He got snotty and said I was in the wrong place, pointed to the quick lube area, and walked away.
Compounding that was the fact the the Quick Lube service tech told me I didn't have an appointment (I did), and he could not find me or the 4Runner in the system. My friendliness went way down after that.
I wrote a letter to the GM, after calls to the Service Manager went unanswered, and ended up with a free Detailing from them. The detailing was nice, but they lost my cupholder inserts and it took them a while to get new replacements. I was "this close" to acquiring the set in the showroom 4Runner.