Owner's Manual
Page 236
... the trailer brakes so you 'llbepullingatrailerthat, whenloaded, will not the safety chains under the tongue of thedriver'sdoor (orsee"TireLoading" in it to matchthehitchandsafety chainholesinthe bumper. You'll find thesenumbersontheCertificationlabelattherearedge of the trailer drop to theroad if it needs to drag .on the ground. If it willbendandfinallybreak off. If not,thetrailerbrakesystemmustnotbeusedwithyourvehicle...
... the trailer brakes so you 'llbepullingatrailerthat, whenloaded, will not the safety chains under the tongue of thedriver'sdoor (orsee"TireLoading" in it to matchthehitchandsafety chainholesinthe bumper. You'll find thesenumbersontheCertificationlabelattherearedge of the trailer drop to theroad if it needs to drag .on the ground. If it willbendandfinallybreak off. If not,thetrailerbrakesystemmustnotbeusedwithyourvehicle...