Issue resolved. Big Star Ford in Manvel was kind enough to take a quick look, even though their service center was pretty busy. They had to remove the seat, but ultimately it was a connector issue and an easy fix. Thanks to those who read & posted.
Hi! I took delivery of a 2024 Lariat (501A) this afternoon- it was delivered from South Texas so it was handed over to me with 400 total miles. The first thing I tried to do when I got in was slide the electric driver's seat forward, and it doesn't work. All of the other functions work, so...