2012 Toyota Yaris Owners Manual - Page 527

2-5. Driving information Weight limits ● The gross trailer weight must never exceed 700 lb. (318 kg). ● The gross vehicle weight must never exceed the GVWR indicated on the Certification Label. ● The gross axle weight on each axle must never exceed the GAWR indicated on the Certification Label. ● If the gross trailer weight is over the unbraked TWR, trailer service brakes are required. TWR and Unbraked TWR Confirm that the gross trailer weight, gross combination weight, gross vehicle weight, gross axle weight and tongue weight are all within the limits.