Center seat
Pull the strap on the center seat's right side.
Adjust backrest tilt forward/rearward by decreasing/increasing pressure on it.
Release the strap to lock the backrest in the new position and press the backrest until its lock engages.
Outboard seats
Pull the handle on the side of the seat upward.
Adjust backrest tilt forward/rearward by decreasing/increasing pressure on it.
Release the handle to lock the backrest in the new position and press the backrest until its lock engages.
Warning
Check that all backrests are securely locked in place after changing the tilt angle.