1997 Buick Regal Owner's Manual - Page 40

2. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. When the shoulder belt is pulled out all the way, it will lock. If it does, let it goback all the way and start again. If the belt is not long enough, see"Safety Belt Extender" at the end of this section. Make sure the release button on the buckle is positioned so you would be able tounbuckle the safety belt quickly if you ever had to. 3. To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder part. 1-26