I have a 07 Silverado with auto climate control. Every second time I turn on the A/C I can only get it to blow cold on the passenger side. With both sides set to 16 degrees C it blows Cold on the passenger side and hot (very hot) on the drivers. Ive fixed this by turning off and restarting my truck. It then blows cold on both sides like it is supposed to. What could this be? Is something sticking? Are the electronics screwed up? Is there a remedy? Anyone else having this problem?