Toyota Yaris Owner's Manual page 176

176
4-1. Before driving

Maximum permissible rear axle capacity
Vehicle category M1 models

The weight borne by the rear axle should not exceed the maximum
permissible rear axle capacity by 15% or more. Exceeding this
weight is dangerous.
 Vehicle category N1 models
The weight borne by the rear axle should not exceed the maximum
permissible rear axle capacity. Exceeding this weight is dangerous.
The values for towing capacity were derived from testing conducted
at sea level. Take note that engine output and towing capacity will
be reduced at high altitudes.
WARNING

When the gross vehicle mass or maximum permissible axle capacity is
exceeded (vehicle category M1 models
Failing to observe this precaution may lead to an accident causing death or
serious injury.

Add an additional 20.0 kPa (0.2 kgf/cm
pressure.

Do not exceed the established speed limit for towing a trailer in built-up
areas or 100 km/h (62 mph), whichever is lower.
*
: To distinguish the vehicle category, ask any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
*
*
*
)
2
or bar, 3 psi) to the tire inflation