2011 Toyota Yaris Owners Manual - Page 536

1-7. Safety information n Booster seat Place the booster seat on the seat facing the front of the vehicle. 1 Before driving Sit the child in the booster seat. Fit the seat belt to the booster seat according to the manufacturer's instructions and insert the plate into the buckle. Make sure that the belt is not twisted. Check that the shoulder belt is correctly positioned over the child's shoulder, and that the lap belt is as low as possible. (→P. 55) Removing a child restraint installed with a seat belt Push the buckle release button and fully retract the seat belt. 113