1998 Toyota 4Runner Owners Manual - Page 48

4RUNNER (1998) Seat belts with an adjustable shoulder anchor- Adjust the shoulder anchor position to your size. To raise: Slide the anchor up. To lower: Push in the lock release button and slide the anchor down. After adjustment make sure the anchor is locked in position. CAUTION Always make sure the shoulder belt is positioned across the center of your shoulder. The belt should be kept away from your neck, but not falling off your shoulder. Failure to do so could reduce the amount of protection in an accident and cause serious injuries in a collision.