I recently picked up a GM EV1 owners manual off ebay and was reading it when I came across one neat little feature that would be relevant to us. The EV1 used a 12 volt accessory battery just like our cars, which is used for intermitent loads and to get things going before the DC/DC converter fires up, just like our Insight's. The feature is a battery recovery button, it was located up under the dash some, not that hard to find, but out of the way. My guess is all it does is force the DC/DC converter to run so 12 volt power is available. It says to press the button for 30 seconds then the vehicle should be able to start.