I have a German Sheaperd named "Bonk" DD named him. Anyways he a great dog, but any time I take him anywhere in van. He barks and jumps at windows at people. Acting like a total nut job. "protecting us" If you let him out've van, he's normal. Not pysco, will walk on leash fine. (We took dog training, dog trainer said he was so smart and one of the best shepereds he has saw. He also said, I would not be able to train him out've this van behavior. (He's the one who suggested doggie seat belt) Not lunging at people etc. In van, he's nuts.. So I"ve started putting him doggie seat belt. He still barks and tries to lunge everywhere. I know he's just doing his job, protecting us.. But I know I would bring him to a lot more places for drives if he didn't act like this.. My old dog didn't act like this, and I really enjoyed the, "lets go for a drive", to grocery store where ever.. Any suggestions or ideas? Thank-you for all your help.