This is the process to view DTCs on the GTS radio AND reset your service mileage.
[LIST]
[*]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
[/LIST]
