1996 Oldsmobile 88 Owner's Manual - Page 220

Insert theflat end of the wheel wrench into the notch and pryoff the center cover.Do not drop the cover or lay it face down, as it could be scratched or damaged. If you have a bolt-on plastic wheel cover, use the wheel wrench to remove the nut caps which screw onto the When replacing the cover after the wheel is put back on the vehicle,do not use a hammer or mallet to install wheel nuts and hold the cover the wheel. Do not pry on the cover. the coveroff. Note: nut caps are captured in the cover and will not remove completely. If you have aluminum wheels with nut caps, remove When re-installingthe full plastic wheel cover, align the them with the wheel wrench. valve stem symbol, which molded in the back side is of When re-installing the decorative nut caps on aluminum the cover, with the valve stem. Start replacing the nut wheels, tighten the caps snugly with the wheel wrench, cap by pushing it into the lug nut with wheel the then continue tightening one-quarter a turn. of wrench. Tighten the plastic caps snugly using the wheel wrench, then continue tightening one-quarter a turn. of Do not overtighten. Removing Wheel Covers and Wheel Nut Caps If you have an aluminum wheel with a center cover that conceals the wheel nuts, following directions the will help. 5-26