1998 Buick Century Owner's Manual - Page 21

Shoulder Belt Height Adjuster Before you begin to drive, move the shoulderbelt adjuster tothe height that is right for you. I To move it down, squeeze the release leverand move the height adjusterto the desired position. You can move the adjuster up just by pushing up on the shoulder belt guide. After you move the adjuster towhere you want it, try to move it down without squeezing the release lever to make sure ithas locked into position. Adjust the height so that the shoulder portion of the belt is centered on your shoulder. The belt should be away from your face and neck, but not falling off your shoulder. 1-13