Stop in for a cup of coffee

I need something for the Charger. I wonder if the key can be left in when driving or if it will fall out? With it being also a street car, you just know some dumbass will flip the switch when parked sometime and have to get back out and switch it on.

Edit: I see race classes prohibit the plastic and keyed switches
You could probably do like some others mentioned with an under-dash or glove box option