I Purchased My 2014 Silverado New, With in the first week, I experienced Electrical Dash board issues, No screen, system
resets. Messages Like open drivers window and Close, Anti theft deterrent disabled. the worst is turning the key and No starting. Dealer says they found no problems, during these visits. its been 4 years and still acts up. It seems random but sometimes goes thru what ever it fails to start. waiting then attempting to start again works but it is getting old. if I trade again it won't be for another GM vehicle. I have replaced the battery and cleaned all my connections including the grounds. it still occasionally repeats the starting issue. I find the issue happens no mater how cold or warm it is, or dry or wet.