SomeoneSomewhere:/>Indicator left on is a common one. Turning off the ignition turns off the lights, indicators, and wipers, but still triggers the "wait, you're leaving the car with the lights on" warning. I could also see a stupid implementation of automatic headlights doing the same.
I've driven cars where indicator stalk switched front and rear position lights on 1 side for parking rather than having all corners lit.



