It looks like he had minutes in this case, so driving to the side of the road, then confirming dumping core, driving forward 10 meters, and shutting down, seems

It looks like he had minutes in this case, so driving to the side of the road, then confirming dumping core, driving forward 10 meters, and shutting down, seems viable. You could presumably keep enough energy for this in ultra caps or a separate unaffected part of the pack, or do it with inertia.