Seat memory… does it also reset the mirror? If yes then I assume it never memorized the setting.
Correction to seat adjustment: The way you describe it, it is perfectly OK for the seat to go back and raise. It’s a feature to make it easier to get up and exit the vehicle.
Low tire pressure… can frequently come on after the car has been parked overnight. If the light goes off after driving for a while then I would not worry too much. As you drive air inside the tire gets warm and expands bringing the pressure back to “normal”. I do assume you checked the tire with a manual gauge to confirm that they are properly inflated.
Oil Change reminder…take a look at this and see that you follow the same procedure:
Stalling…don’t have enough information but it might need the idle adjusted…etc