2003 Lexus GX 470 Owners Manual - Page 846

DRIVING TIPS Hitches D If you wish to install a trailer hitch, you should consult with your Lexus dealer. D Use only a hitch recommended by the hitch manufacture and the one which conforms to the total trailer weight requirement. D According to the hitch receiver type, the maximum gross trailer weight and hitch that can be used differs. Refer to the illustrations to confirm the hitch receiver type for your vehicle. " Total trailer weight " Tongue load D If you wish to install an aftermarket hitch, the hitch must be bolted securely to the vehicle frame and installed according to the hitch manufactures' instructions. D The hitch ball and king pin should have a light coat of grease. D Lexus recommends the ball mount assembly be removed when not towing to prevent injury and to prevent damage in the event of a rear end collision. After removing the ball mount assembly, install the grommet to the hitch to prevent entry of dirt and mud. D The trailer cargo load should be distributed so that the tongue load is 10% of the total trailer weight, not exceeding the maximum of the following. Tongue load x 100 = 10% Total trailer weight For weight carrying hitch 227 kg (500 lb.) Also for weight distributing hitch 294 kg (650 lb.) D Never load the trailer with more weight in the back than in the front. About 60 % of the trailer load should be in the front half of the trailer and the remaining 40% in the rear. 349