Lexus RX400h2006 Owner's Manual page 505

DRIVING TIPS
Example on your vehicle
"
Cargo capacity
1
Total load capacity
2
In case that 2 people with the combined weight of
166 kg (366 lb.) are riding in your vehicle with the
total load capacity of 420 kg (925 lb.), the available
amount of cargo and luggage load capacity will be
as follows:
420 kg – 166 kg = 254 kg.
(925 lb. – 366 lb. = 559 lb.)
From this condition, if 3 more passengers with the
combined weight of 176 kg (388 lb.) get on, the
available cargo and luggage load will be reduced as
follows:
254 kg – 176 kg = 78 kg.
(559 lb. – 388 lb. = 171 lb.)
478
As shown in the above example, if the number of
occupants increases, the cargo and luggage load
equaling the combined weight of occupants who got
on later must be reduced.
increase in the number of occupants causes the
excess of the total load capacity (combined weight
of occupants plus cargo and luggage load), you have
to reduce the cargo and luggage on your vehicle.
For details about total load capacity, see "Vehicle load
limits" on page 475.
CAUTION
Even if the total load of occupant's weight and
the cargo load is less than the total load
capacity, do not apply the load unevenly. That
may cause not only damage to the tire but also
deterioration to the steering ability due to
unbalance of the vehicle, causing an accident.
In other words, if the