This is the process to view DTCs on the GTS radio AND reset your service mileage.

  • Turn ignition off, wait minimum 15 seconds.
  • Turn ignition to accessory position.
  • Wait 10 seconds for the WARNING screen to display.
  • Press and hold the power/mute button untilservice menu is displayed.
  • Scroll to find RESET, MILEAGE REST or DTC