2003 Lexus LS 430 Owners Manual - Page 214

AIR CONDITIONING REAR AIR CONDITIONING CONTROLS These are the controls added to the front air conditioning when your vehicle is equipped with a rear air conditioning. The controls for the rear passengers and for the front passengers both work the same, so operation can be made with the controls on either panel. (a) Controls and Functions REAR AIR CONDITIONING ON−OFF − 20L245d Push the "AUTO" button to turn the air conditioning on, and push the "OFF" button to turn it off. AIR FLOW CONTROL − The mode changes every time the "LO HI A/C" button is pushed. AUTO mode − Turns the fan operation to automatic. LO speed mode − Turns the fan at low speed. HI speed mode − Turns the fan at high speed. " 1 Rear air vent 2 Auto button 4 LO HI A/C button 3 Off button 200