The second thing they do is punch all of your information into their computers anyways to be slurped up by Carfax[1] and company, so everyone knows you got an oil change and tire rotation anyways, as a bonus.
(Third thing is filling out an online form to re-activate your dead SiriusXM system in your vehicle as a "3 month free trial" as a "gift" for coming in today...[2])
[1] https://www.carfaxserviceshops.com/ [2] https://siriusxmdealer.com/service-lane/