1997 Chevrolet Lumina Owner's Manual - Page 42
1997 Chevrolet Lumina Manual
Page 42 highlights
When the shoulder belt pulled out all the way, is it will lock. If it does,let it go back all the way and start again.If the beltis not long enough, "Safety see Belt Extender"at the endof this section. Make sure the release button the buckleis positioned so you on would be able to unbuckle the safety belt quickly if you ever had to. 1. Pick up the latch plate and pull the belt across you. Don't let it get twisted. The shoulder beltmay lock if you pull the belt across you very quickly. If this happens, let the belt back go slightly to unlock it. Then pull the belt across you more slowly. 2. Push the latch plate into the buckle until it clicks. Pull upon the latch plate to make sureis secure. it 3. To make the lap part tight, pull down the buckle on end of the belt as you pull up on the shoulder part. 1-28