I have never been able to program my Sync system - I used it twice to check the mechanical system in my vehicle and it never worked after that. In all reality this problem started from the day I bought it because I could never get the system to hear me to call people or even to recognize my commands. I paid for a problem, not a benefit apparently. I got so frustrated with trying to get it to function that I finally just had to stop and forget that I had this as an accessory.