Found yesterday that this works on our 2011 XC70!
Originally Posted by JRL View Post
This may work on an 07, can't hurt to try it
1. Hold down the odometer button
2. Turn the ignition so all the lights come on
3. Keep holding the odometer down for 30 secs or until the service light starts flashing
4. Release the odometer button while service light flashing
5. Turn off and on again to check