Yeah you can, but while the door is open, the car will (in my experience with 4 different brands of keyless cars in Europe) sound an alarm to remind you it is still running.
>After a while of that let one of your freelancing clients hire you but not as freelancer but a full time remote employee paid not for hours of coding but rather for 8 hours each day, same way you were paid at corporation.
I'm here now, but find myself in a similar situation to OP and have been thinking about quitting. There's very little oversight and the business large enough that I have very little to do - and noone really cares if it does get done or not.
I moved to the countryside in another country and do a lot of mountain biking, running, walking, skiing, as work only takes around an hour a day. My friends all think it's crazy and that I'm in the luckiest situation I could possibly be in. I do feel my physical health has never been better, but mentally I find it really hard to do this.
I think this is a good thing.