2013 Toyota Tundra Regular Cab Owners Manual - Page 121
2013 Toyota Tundra Regular Cab Manual
Page 121 highlights
1-7. Safety information Center passenger seat (bench type seat) Latch the hook onto the anchor bracket and tighten the top tether strap. Make sure the top tether strap is securely latched. Replace the head restraint. Installing position: Right side passenger seat Center passenger seat (Bench type seat) 156