1994 Buick LeSabre Owner's Manual - Page 206

If your vehicle has this aluminum wheel, you may have plastic wheel nut caps. Use the wheel nut wrench to remove the wheel nut caps andto loosen the wheel nuts. A Use the wire wheel key wrench to remove the wheel cover. When reinstalling the decorative nut caps, tighten the caps snug with the wheel wrench, then continue l/8 rotation for steel caps and 1/4 rotation for plastic caps. If your vehicle has wire wheel covers, remove them as follows: Using the flat end of the key wrench handle, between the wire wheel cover and the center cap, pry off the center cap. ... . 204