I OWN A 2015 GMC TERRAIN. THE RADIO AND ALL OTHER FUNCTIONS RELATED TO THE TOUCH SCREEN HAVE FAILED RESULTING IN A BLACK SCREEN. THIS INCLUDES THE BACK UP CAMERA. THIS HAS ALSO CONTRIBUTED TO A MINOR ACCIDENT WHERE I BACK INTO A UTILITY POLE. GM STATES A NEW RADIO IS NECESSARY AT A COST OF $1287. THIS IS UNACCEPTABLE FOR A VITAL PART OF THE VEHICLES OPERATION. WHAT WILL IT TAKE FOR GM TO ADDRESS THIS ISSUE? SOMEONE BACKING OVER A CHILD IN A DRIVEWAY? *TR