Purchased mazda 3 2010, looked for someone with same problem all over but can not find. The bottom half of my display does not work , or at least I don't think it does, it should show the heater setting etc I beelive, my display , aux or sat button don't seem to do anything , everything else works fine, the clock and outside temp part of the info screed work ok , its only the bottom half that doesn't work. This isn't touch screen just the display in the middle at the top of console. regular mazda 3 2010, any thoughts?