2013 Toyota Tundra CrewMax Owners Manual - Page 119

1-7. Safety information 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. 77) Removing a child restraint installed with a seat belt Push the buckle release button and fully retract the seat belt. 154