2003 Lexus GX 470 Owners Manual - Page 849

DRIVING TIPS Service connector for towing brake controller Tires D Ensure that your vehicle's tires are properly inflated. Adjust the tire pressure to the recommended cold tire pressure indicated below. Tire pressure: 220 kPa (2.2 kgf/cm2 or bar, 32 psi) D The trailer tires should be inflated to the pressure recommended by the trailer manufacturer in respect to the total trailer weight. Your vehicle is equipped with a service connector for the towing brake controller as shown. Link the connector to the towing brake controller via the sub wire harness stored in the glove box. The detailed explanation of the sub wire harness circuit is packed together with the sub wire harness. Be sure to position the towing brake controller where it does not prevent the driver from operating the pedal. Lexus recommends that the sub wire harness be stored in the glove box when it is not in use. 352