Did they give you a report, or "invoice" of any sort? Curious what they did. Would like to have mine improved when I take it in for my first oil change (probably in the next month).So, today I took my 2017 Acadia Denali AWD to the dealer with this same complaint that I gave them last year on the shifting as mine too was doing the same harsh or delayed shift from gear 2 to 3. They tell me their tech reprogrammed the shift patterns and I can tell a difference even though that sounds like a good line for them to give me. ...