Has a service reminder reset been done? Or is it just refusing to co operate?

FSS Reset:


1. Turn key to the ON/RUN position.
2. Within one second press the ****/button twice.
3. The present status for days or distance is displayed.
Within 10 seconds turn the key to OFF/
LOCK.
4. Press and hold the ****/button, while turning
the key to ON/RUN again. The present status for
days or distance is displayed once more. Continue
to hold the ****/button.
After approximately 10 seconds, a signal sounds and
the display shows 7,000 miles (Canada: 11,000 km) for
approximately 10 seconds.


5. Release the ****/button.

Edit: **** - button being the trip / reset button - stem in the instrument cluster..