Let's see if this works: http://forum.opencarry.org/forums/se...searchid=27402
It's a search for Kittanning in the Pennsylvania forum. Spelling is key.
It looks like spencer280 is local to Kittanning and hasn't had trouble OC'ing there. If he doesn't chime in on this post, you may want to try to PM him and check over at pafoa.org to see if they can tell you anything.
The biggest problem is that here are only specific circumstances in which you may have a firearm in a vehicle at all, even if it's unloaded, cased, and locked. If you don't have a license/permit from MI, be careful that you are in compliance when you get in a vehicle.