I asked this question at the Madison Hybrid Users meeting yesterday, because it bothers me when my DD or DSIL turn the key without looking for the "ready" light.

Politely answered (and no one laughed): Not to worry about dis-owning the DSIL. The HiHy doesn't have a "starter" in the usual sense. When you turn the key it is a message to the computer to start the battery. Turning the key again doesn't re-start it!

HTH. And I am sure others will jump in with more info.
Lots to learn! But fun! ANd what a GREAT GROUP in Madison!
EMO