97 bon'eville ssei perf/norm ride buttons

both the performance ride and the normal ride buttons are illuminated on my 97 bon'eville ssei. the owners manual says this indicates something
is wrong, (no kidding really :).
does anyone have a link to the troubleshooting protocol i should follow?
thanks, peter
ps: i changed the super charger oil today using a "pro-motion" motorcycle fork oil changing syringe which worked quite well. i flushed the s/c with some mobil-1 before putting in the gm s/c/ oil. the old oil looked and smelled nasty...almost along the lines of gear oil.
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