...this is a known defect covered by warranty, take your 2023 Lightning XLT to a Ford dealer as soon as possible. Reference SSM51058 and describe the exact symptoms: “Headlights in Auto mode fail to dim for oncoming cars, and the switch changes to On, requiring manual dimming.”
The switch...
...the light bar blinked on a couple of times. Hmm, I need to check my security camera footage. Would make for a entertaining Youtube post.
SSM51058
2021-2022 F-150 - Headlamps Turn On By Themselves When Vehicle Is Off -
DTC B1533.
Some 2021-2022 F-150 vehicles may exhibit a condition of...
...Manufacturer Communication Number: SSM51058
Summary
Some 2021-2022 F-150 vehicles may exhibit a condition of intermittent headlamp operation while the vehicle is OFF and have diagnostic trouble code (DTC) B1533 stored in the body control module (BCM). This may be due to the internal logic...