How do you turn off the 'maintenance required' message on the dash message center on the 2000 Volvo S80?

Answer 1

I don't know if this will work for non-turbo models or other years of the S80, but it worked on my car:

1. Insert ignition key and turn to position I.

2. Push in the odometer reset stalk and hold it in.

3. Turn the ignition key to position II. Continue to hold the odometer reset stalk in. After a few seconds the Service light will begin to flash.

4. Release the odometer reset button.

5. Turn the ignition off. You're done!