i am sorry to here that, some one broke in to mine, and tried to take mine and tore up my blazers dash bestial, but i had star screws holding mine in
1. http://avic411.com/index.php?/topic/35023-does-anyone-have-the-pioneer-cndv-110mt-us-images-yet/
2. it will work, try ebay.
3. i don't think so, i never had one to use.