1998 Chevrolet Lumina Owner's Manual - Page 119
1998 Chevrolet Lumina Manual
Page 119 highlights
Floor Mats (Option) 3. Use a screwdriver to screw the locator post the into vehicle's carpeting. Press down while turning to allow the locator "auger point" pierce the floor to carpet. The locator will not screw down tightly, but will rotate freely when installed properly. Usage ... 1. To remove the mat, pull up on the rear the mat to of unsnap it from the locator post view B). (see 2. To re-install the mat, align the grommet in mat the over the locator post and push down to snapmat the into place (see view B). View A Installation View B 1. Move the driver's seat to most rearward position. its 2. Locate the driver's side floor mat in the vehicle with the rear of the mat against the (outboard) left front edge of the seat track mounting bracket (see view A). 2-43