Since I installed my F90BT in my 2005 Jeep Grand Cherokee, I'd say 90% of the time I lose all function of my heat and ac panel. Blower speed, temp controls, blower location, ac button and rear defrost button. It's becoming more of an issue now as the weather is getting warmer because some heat actually does trickle out of the vents. Another thing I noticed is the 90% of the time I lose these controls, the drivers side airbag light comes on also. I know when I have fully functional heat/ac when I look down and the airbag light on the instrument panel is not lit up. I installed the f90bt w
