Piper used to be such a good boy in the car if I'd leave him to run into the store or something...USED to...not anymore! Ever since I got Finnie and I'd say really for the last 6 months Piper is baddddd in the car! If anyone so much as walks within 20 feet of the car he's barking and jumping at the glass (he's in the front passenger side) and snarling! I jokingly say I don't have to worry about anyone stealing them because who'd want this mean dog? Yesterday I ran into the grocery store and when I came out (literally 5 minutes) he was barking and snarling...nasty! Finnie gets in on it too but he just barks. As I approached the car Piper didn't realize it was me and continued to do it to me! I hit the glass on the passenger window and said NO and they quickly settled but it's so embarrassing. I'm thinking of parking in a busy lot (Walmart maybe) and pretending to leave and get people to walk by so I can correct. Has anyone experienced this and what did you do to stop it? My only other option (and one I'll definitely start doing if this continues) is to crate him in the car. Honestly, people don't believe me when I tell them...they're like sweet lovable Piper? Nooooo...can't be him...he loves everyone! He does, just not when he's in the car!