Buick 1993 Roadmaster Owner's Manual page 230

Your Buick has a wheel. cover that
.must
be'removed to
access the wheel nuts; Refer
to
the picture for the correct
wheel cover removal.
I f your vehicle 'has .either of -the:.two following wheel.
covers, they :must be removed &-carefully prying 'at the
outside ,edg@.with the
Bat
.
end
.
1 .
'of @e wheel wrench.
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