1997 Buick Regal Owner's Manual - Page 57

4. Select only one sideof the harness. Pull the lap part of the harness out,and place the harness over the child's shoulder. If both sides of the harness arepulled out, the lap both sides of parts will lock. If the lap parts lock, let the harness goback all theway so each side will move freely again. Then repeat this step, pulling only one sideof the harness out. 5 . Push the latch plate(F) into the buckle until it clicks. Be sure the buckle is freeof any foreign objectsthat may prevent you from securing the latch plates. If you can't secure a latch plate, seeyour Buick dealer for service before using the child restraint. 6. In a single motion,pull the other sideof the harness all the way out. Keeping the harness pulled all the way out, place it overthe child's shoulder.