1998 Chevrolet Lumina Owner's Manual - Page 53
1998 Chevrolet Lumina Manual
Page 53 highlights
Be sure the buckle free of any foreign objects that is may prevent you from securing latch plates. If the you can't secure a latch plate, see your dealer for service before using child restraint. the 6. In a single motion, pull other side of the harness the all theway out. Keeping the harness pulled the all way out, placeit over the child's shoulder. 4. Select onlyone side of the harness. Pull thelap part of the harness out, and place harness overthe the child's shoulder. If both sidesof the harness are pulled out, the lap parts will lock. the lap parts lock, let both sidesof If the harness go back the way so each side will all move freely again. Then repeat this step, pulling only one side of the harness out. 5. Push the latch plate (F) into the buckle untilit clicks. 7. Push the latch plate into the buckle untilit clicks. 1-43