2008 Toyota Yaris Owners Manual - Page 461

1-3. Adjustable components (seats, mirrors, steering wheel) Releasing the belt Press the release button. n Adjusting the height of the belt (front seats) Down Pull the lock release knob and slide the height adjuster down. Up Move the height adjuster up as needed until you hear a click. Rear center seat belt (split rear seats only) The rear center seat belt is a 3-point type restraint with 2 buckles. Both seat belt buckles must be correctly located and securely latched for proper operation. Make sure that the buckle is securely latched for ready use of the center seat belt. Matches the tab with the hooked end Matches the tab with the concave end 42