Lexus Lx470 Owner's Manual page 171

Seating configuration variation
When removing the third seat, it is possible to load as much cargo as the
weight of the removed seat.
(Cargo capacity) = (Total load capacity) - (Total weight of occupants) +
(Weight of the removed third seat).
Third seat weight:
Right 44 lb. (20 kg)
Left 44 lb. (20 kg)
2-5. Driving information
Cargo capacity
Weight of removed third seat
2
153