Toyota Sienna 2010 Owner's Manual page 69

1-3. Adjustable components (seats, mirrors, steering wheel)
STEP 4
STEP 5
70
Align the front leg hooks with the
rear strikers of the foremost pair.
Then swing up the seat.
Push the foot pedal forward to
securely latch the front leg locks.
Make sure the front legs are
locked securely, fold down the
seat and engage the rear leg
locks.