Someone told me this is how it works. I haven't tried it myself, so let us know if it works.
To turn the S60 service light off do the following:
1) key off
2) press and hold tripmeter reset button
3) turn key to position 2 for 10-12 seconds
4) when "service" light flashes
5) release button and remove key
6) done
To turn the S60 service light off do the following:
1) key off
2) press and hold tripmeter reset button
3) turn key to position 2 for 10-12 seconds
4) when "service" light flashes
5) release button and remove key
6) done