1995 GMC Yukon Owner's Manual - Page 59

Shoulder Belt Height Adjuster (4-DOOr Utility Models) Move the shoulder belt adjuster the height that is right for to you. To move it down, push in at the word PRESS and move the height adjuster to the desired position. can move the adjuster up just pushing up on You by the shoulder belt guide. After move the adjuster to where you it, you want try to move it down without pushing in to make it has locked into sure position. Adjust the height that the shoulder portion the belt is centered on your so of shoulder. The belt should be away from your face and neck, but not falling off your shoulder. To unlatch the belt, on just push the button the buckle. 1-39