I also auto-adjust to the right side blinkers when in my car. To help prevent the ham-fisting mentioned above, if someone unfamliar with the car is about to drive it, he/she gets a couple reminders of said placement.
Yes, and let this be a warning to anyone who is flattered that someone wants to use their car in filming. Somebody here (I don't remember who it was) revoked the permission to use their car in a film when one of the actors damaged a stalk that did not operate as they expected.