Toyota 4runner 2009 User Manual page 204

2-5. Driving information
Example on your vehicle
When 2 people with the combined weight of 366 lb. (166 kg) are
riding in your vehicle, the available amount of cargo and luggage load
capacity will be as follows:
Without third seats — total load capacity: 950 lb. (431 kg)
950 lb. − 366 lb. = 584 lb. (431 kg − 166 kg = 265 kg)
With third seats — total load capacity: 1050 lb. (477 kg)
1050 lb. − 366 lb. = 684 lb. (477 kg − 166 kg = 311 kg)
In this condition, if 3 more passengers with the combined weight of
388 lb. (176 kg) get on, the available cargo and luggage load will be
reduced as follows:
Without third seats
584 lb. − 388 lb. = 196 lb. (265 kg − 176 kg = 89 kg)
With third seats
684 lb. − 388 lb. = 296 lb. (311 kg − 176 kg = 135 kg)
As shown in the above example, if the number of occupants
increases, the cargo and luggage load will be reduced by an amount
that equals the increased weight due to the additional occupants. In
other words, if an increase in the number of occupants causes an
excess of the total load capacity (combined weight of occupants plus
cargo and luggage load), you must reduce the cargo and luggage on
your vehicle.
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Cargo capacity
Total load capacity