Always read the fine print.
The door is set to 'Emergency Release Option: DISABLED. External release only. If she still has the key...
Also, as in 'Rats', ensure the life-support is operational.
Pity there's no visual VR; the hours (days...) will seem so lo-ong.
(and yes, I'd have a hard time resisting it too.)
= = =
Perhaps the grandson finds her and keeps her from releasing herself. Soon the place would be his and she would be a lovely if unplanned addition. Im sure he could have her well trained by the time he became the owner of the house and her.