📄 Telephone not working properly. No diagnostic trouble codes stored.
📄 Voice control not working.
📄 Voice activation, poor function
📄 OnStar keypad, one or more buttons do not work.
📄 Microphone out of order
📄 LED on keypad, defective function
📄 No GPS data
📄 Cannot contact OnStar Call Center (OCC)
📄 GPS data defective