In a misguided effort to comply with a "green" mandate, our Department bought a "ZAP Truck" which was a 3 wheel electric micro truck. The only thing that kept it upright was the lead battery had a low center of gravity. Even with that, if you took a corner hard... No the door did not function as a self righting feature.
It died a death caused by poor design, lack of support, and an unwillingness to trust ones life to it as an operator.
We kept leaving the key in it, but it never got stolen. Even after I put a bright orange sign saying ' key in vehicle. '