Apparently there is an issue with these new EVs that can have them randomly roll away from ya when parked.
arstechnica.com

Hyundai and Kia recall nearly 20,000 Ioniq 5s, EV6s
A voltage fluctuation could cause the cars to roll away when parked.
If a voltage fluctuation occurs while the vehicle is parked and turned off, a command signal from the shifter control unit could disengage the parking pawl, potentially allowing the car to roll away.