Toyota 2009 Tundra Owner's Manual page 86

1-3. Adjustable components (seats, mirrors, steering wheel)
Manual seat (Bench type seat)
Seat position adjustment
levers
1
Seatback angle adjustment
levers
Center seat seatback angle
adjustment lever
Double Cab and CrewMax
models
Driver's seat vertical height
adjustment lever
Driver's seat cushion (front)
angle adjustment knob
59