I could not disconnect the calls myself and when it connected to my car, it shut off the clock, radio and heat. I told her she needed to disconnect, On Star has shut off my heat and it is 30 degrees and she still wouldn't.
I also want to add one other item that touching the two cables together corrected.
GM My Link, Intelli Link and CUE vehicles (listed below) that come with the factory installed 8″ touch screen can now have FACTORY NAVIGATION retro-fitted very easily with the new “Soft-Touch” OE Navi Upgrade Modules.
Bucket Seats, Electronic Stability Control, Heated Mirrors, Keyless Entry, 4-Wheel ABS.
Heated Leather Seats, A/C, Back-Up Camera, i Pod/MP3 Input, Satellite Radio, Power Windows, All Wheel Drive, Alloy Wheels, 6-Speed A/T, Power Door Locks. KEY FEATURES INCLUDE: All Wheel Drive, 6-Speed Automatic Transmission, Leather Seats, Premium Sound System, Power Door Locks, Power Windows, Back-Up Camera, A/C, Satellite Radio, Heated Driver Seat, i Pod/MP3 Input, Onboard Communications System, Aluminum Wheels, Remote Engine Start, Heated Seats.
Have you tried having the vehicle checked at your dealership? I went to 3 GM dealers and all said they didn't know what I was talking about. Before my battery went dead, I was able to use my phone through the hands free sound system.