After performing service work at the recommended intervals it is a good practice to reset the service mileage indicator. Doing so will give you a quick reference at any time you need to see how far you've gone since the last service.
Reset Service Mileage Indicator Process
Turn the ignition to the off position
Wait 15 seconds
Turn the ignition to the accessory (ACC) position.
Wait for the WARNING screen to display
Press and hold the power/mute button until the service menu is displayed (about 10 seconds)
Scroll down to the Reset link
Scroll down to the Mileage Reset link
Select yes to reset service mileage