many new cars simply have service notifications to remind you when to get your services done like oil, tires, etc. I suspect this is the same. Go through your menu and see if there is a "maintenance" setting that you can reset it. That is what the tech would do.
It could also be possible that...
So my climate charger and timer work immediately, if plugged in. However, after about 20 minutes of plugged in from my NEMA 15-40 LV 2 mobile charger, all the lights go out. Almost like the charger is going idle and not sending a signal to the car.
But the problem is my climate control timer...