1998 Cadillac DeVille Owner's Manual - Page 27

4. Push the latch plate into buckle until it clicks. the Be sure to use the correct buckle when buckling your lap-shoulder belt. If you find thatthe latch plate will not go fully into the buckle, if you are using the see buckle for the center passenger position. Pull up on the latch plate to make sure is secure. If it the belt isn't long enough, "Safety Belt see Extender" at the end this section. of Make sure the release button on the buckle is positioned so you would beable to unbuckle the safety belt quickly if you ever had to. 3. Pick up the latch plate and pull the belt across you. Don't let it get twisted. 1-12