no, but I did have a van like that... and I was once ordered out on a felony stop for suspected kidnapping but "... oh. You're not the guy, we got him a couple miles away. You hungry?"
I wonder about my parents, they heard all the stories and how there should be a phrase that strangers could say to us so we know it's ok to go with them. My parents came up with "Hey kid would you like some candy?"