GM: SOME VEHICLES MAY EXPERIENCE A BLANK SCREEN AFTER STARTUP AND REVERSE, THE REARVIEW CAMERA MESSAGE MAY BE ON, AND THE TOUCH SCREEN BECOMES INOPERATIVE. THE BLUETOOTH AND NAVIGATION MAY BE MALFUNCTIONING. ALSO INCLUDES CHEVROLET SILVERADO MODEL YEAR 2015 AND GMC SIERRA MODEL YEAR 2015. *JS UPDATE 02/25/15*LJ
