1994 Pontiac Bonneville Owner's Manual - Page 191
1994 Pontiac Bonneville Manual
Page 191 highlights
Problems on the Road Changing a Flat Tire (CONT.) Don't try to put the wheel cover on the compact spare tire. It won't fit. Store the wheel cover in the trunk until you have replaced the compact spare tire with a regular tire. I NOTICE: 18a. When re-installing the full plastic wheel cover, align the valve stem symbol (which is molded into the back side of the cover) with the valve stem. Start the nut cap by pushing it onto the lug nut with the wheel wrench. Tighten the plastic caps until they're snug using the wheel wrench. Then continue tightening 1/4 turn (90"). Do not overtighten. Wheel covers won't fit on your compact spare. If you try to put a wheel cover on your compact spare, you could damage the cover or the spare. 18b.When re-installing the decorative nut caps on aluminum wheels, tighten the capsuntil they're snug with the wheel wrench. Then continue tightening 1/4 turn for plastic caps, or 1/8 turn (45") for steel caps. 18. When you reinstall the full size whee:1 and tire, you install the wheel cover or nut caps at this point. ...190