2011 Toyota Tundra Regular Cab Owners Manual - Page 500
2011 Toyota Tundra Regular Cab Manual
Page 500 highlights
3-7. Using the storage features Auxiliary boxes Front bench type seat (type B) Pull the lever up and fold down the seatback. Push the knob and lift the lid. Front bench type seat (type C) Pull the lever up and fold down the seatback. 474