NHTSA Complaint #11607817 — 2018 FORD F-150

The vehicle was stopped, preparing to make a left-hand turn at a four-way intersection, in Drive with my foot on the brake. I had manually pressed the button to disable the "Auto Start-Stop" feature earlier in this trip, and the light was on indicating that feature was still disabled. While stopped, the vehicle's engine suddenly shut off. On the dashboard, the informational cluster indicated "Auto StartStop Shift to P, then Restart Engine" with the logo for that feature (An "A" in a looped arrow icon) showing below. I shifted to Neutral and restarted the vehicle with no issue - at which time the warning messages went away - and continued the drive without further incident. I have not been able to reproduce the issue, yet. I was in the vehicle with my 1-year-old son in his car seat, preparing to make a left turn across oncoming traffic when the vehicle shut itself off, placing us at considerable potential risk. The vehicle has not been inspected by police, a dealer, etc. as of yet but I will be bringing it to a Ford dealership as soon as I can. I have included an example photo of the same error I saw, taken from an internet forum. This is not my truck, but is the identical warning message to the one I saw.