2004 Lexus RX 330 Owners Manual - Page 519

STARTING AND DRIVING (e) Turning off the electronically modulated air suspension When the vehicle's speed exceeds 30 km/h (19 mph), the height control "OFF" indicator light goes out and the electronically modulated air suspension turns on automatically. CAUTION D If you drive through water, such as when crossing shallow streams, first check the depth of the water and the firmness of the bottom of the river bed then put the vehicle height into "HI" mode with the height select switch and turn off the electronically modulated air suspension by pushing the height control switch. Drive your vehicle at 30 km/h (19 mph) or slower and avoid deep water. D When jacking up, installing tire chains or tying your vehicle with chains or wires for transportation by a flat bed, be sure to turn off the electronically modulated air suspension with the height control switch and stop the engine. Otherwise, the automatic leveling function may cause the vehicle's height to change, resulting in an unexpected accident. D If your vehicle must be towed, put the vehicle height in the "N" mode and turn off the electronically modulated air suspension. Otherwise, the automatic leveling function may cause the vehicle's height to change, resulting in an unexpected accident. " 1 Height control switch 2 Height control "OFF" indicator light To turn off the electronically modulated air suspension with the vehicle stopped, push the height control switch. The height control "OFF" indicator light comes on and the vehicle height is fixed in the same mode as was last selected. This status is maintained in the system even after the engine is stopped. If you push the switch again, the height control "OFF" indicator light goes out and the electronically modulated air suspension is turned on. 496