Make it beep loudly for 60 seconds? Add a function that puts the car into auto-deny mode that you can turn on when you sleep (or whenever you're in the car).

Make it beep loudly for 60 seconds? Add a function that puts the car into auto-deny mode that you can turn on when you sleep (or whenever you're in the car). There are many ways to solve this problem. The point is that the car won't just take remote instructions but will gather them and allow the occupants the chance to override them.