2009 Toyota Sienna Owners Manual - Page 171

1-7. Safety information Installation with LATCH system (second seat) n Outer seats STEP 1 Fold the seatback while pulling the lever. Return the seatback and secure it at the 1st lock position (most upright position). Adjust the seatback to the 5th lock position. (→P. 59) 1st lock position 5th lock position n Center seat (if equipped) Fold the seatback while pulling the strap. Return the seatback and secure it at the 1st lock position (most upright position). Adjust the seatback to the 5th lock position. (→P. 59) 1st lock position 5th lock position 142