I fill up at two bars. I have filled up in the past at 0 bars. My thinking is that if the engine light isn't on don't worry about it. I don't think honda would turn on the engine light without it giving you enough warning to get to a gas station.

Someone should try an experiment and run it dry to so how low it can go. I think its bad to run it out of gas completely though.

My hydroponics experiment

You ever notice how hard it is to lip read cartoon characters?
"Crazy is what the sane call Delta Flyer"