So I’m having a recurring issue with my 2019 Acadia slt1. As soon as I start the car I can plug my iPhone XR into one of the front USB ports and it will charge.. but as soon as AirPlay starts or I click on projection the infotainment screen will go black and my phone will stop charging and won’t...

Bought a new 2019 Acadia Denali 3.6L in August. Immediately noticed a hesitation in the shifting gears mainly from 1st to 2nd and 2nd to 3rd. Even on the downshift sometimes. It feels like the old manual transmission, everyone in the car gets "leaned" forward and jerked back. The dealer tried to...