GS300LUV

How's it going everyone! Well I did some trouble shooting and some searching and am at a loss now. My climate control upper row and lower row buttons wont work, as well as the light in my hazard button. The first thing I did was check fuse's. Then I installed new bulbs. After that didnt work I just used a whole working unit from my friends GS and still nothing. So Im kind of at a loss now. Im wondering if there is a trick fix or if this is a common problem with the GS. If so any pointers or tricks would be appreciated. TY