2010 Toyota Highlander Owners Manual - Page 272

2-5. Driving information Towing related term Towing related term Meaning The maximum allowable gross vehicle weight. The gross vehicle weight is the total weight of the vehicle. When towing a trailer, it is the sum of the vehicle weight (including the occupants, cargo and any optional equipment installed on the vehicle) and the tongue load. The maximum allowable gross axle weight. The gross axle weight is the load placed on each axle (front and rear). The sum of the trailer weight and the weight of the cargo in the trailer The maximum allowable gross trailer weight. Towing capacity is calculated considering the base vehicle with necessary vehicle equipment and occupants. Additional optional equipment, passengers and cargo in the vehicle will reduce the towing capacity, gross trailer weight include the trailer, cargo and necessary equipment for towing. The load placed on the trailer hitch ball GVWR (Gross Vehicle Weight Rating) GAWR (Gross Axle Weight Rating) Gross trailer weight Towing capacity Tongue load 244