AutoNation Buick GMC Park Meadows

I made an online appointment for a 45,000 mile service online (because you can’t speak to anyone local everything routes through a 800 number call center). It showed online the items for the service online. I took my truck in and the guy says what would you like done? I tell him I made the appointment online for the 45,000 service. He then tells me the cost for the service doesn’t include really anything listed. I ask what it includes and he tells me it’s basically an oil change. I point out that it’s 5x an oil change cost so that makes no sense. He can’t really explain that. I tell him to contact me if there are things that are needed with the check. (He says the my don’t really do that they just do it all and charge you for it whether it’s needed or not). My wife picks the truck up a few days later and they did an oil change and a transmission flush because I asked them to. They didn’t check anything in the truck because my wipers are bad and my filter shows 20%. They sure charge as if they did. I plan to sell my GM because I have tried every dealer in town and the service is awful at all of them. I like the look of the truck, but since Day 1 when I bought it new I have had issues they can’t fix. The Infotainment center still doesn’t work after taking it in 3x in a recall.