If the EV is truly dead then you may not even be able to put it in Drive mode until it’s plugged in, so regen wouldn’t be possible. But sure, assuming you have

If the EV is truly dead then you may not even be able to put it in Drive mode until it’s plugged in, so regen wouldn’t be possible. But sure, assuming you have enough power to put it in drive, there’s no reason that you can’t do this. There’s YouTube videos where people have tried it successfully. My understanding is that manufacturers don’t support or recommend this method, though.