Cellular Phone: Technical Service Bulletins

• Customer Interest
  • OnStar(R) - Number Incorrect/Incorrectly Assigned
  • Audio - Buzz Noise When Using Bluetooth(R)
  • OnStar(R) - Generation 8 Modules Inop./Battery Discharge
    • Overview
    • Sample Owner Letter
• All Technical Service Bulletins
  • Electrical - Aftermarket Devices May Interfere With OnStar(R)
  • OnStar(R) - Number Incorrect/Incorrectly Assigned
  • Audio - Buzz Noise When Using Bluetooth(R)
  • Keyless Entry - No Remote Detected/No Fobs Detected
  • Voice Recognition System - Won't Recognize Bluetooth(R)
  • OnStar(R) - Availability for Hearing Impaired
  • OnStar(R) - Negative Impact of Cloth/Vinyl Roofs
  • Cell Phone - Can't Adjust Bluetooth(R) Volume
  • Audio - Radio Does Not Mute Enough When Using OnStar(R)
  • OnStar(R) - Generation 8 Modules Inop./Battery Discharge
    • Overview
    • Sample Owner Letter
  • OnStar(R) - Language Change Information (U.S. and Canada Only)