2007 Lexus LX 470 Navigation Manual - Page 175

AIR CONDITIONING 175 If manual on-off of the air conditioning is desired Push the "A/C" switch to turn the air conditioning on and push it again to turn the air conditioning off. If you turn off the air conditioning manually, the EXHAUST GAS AUTOMATIC mode will be cancelled. If the outside temperature is lowered down to around 0_C (32_F), the air conditioning will turn off automatically. At this time, the indicator on the A/C button is off and the EXHAUST GAS AUTOMATIC indicator light remains on. However, the EXHAUST GAS AUTOMATIC mode does not operate. When the air conditioning turns on as with the raised temperature, the EXHAUST GAS AUTOMATIC mode resumes. If the system is used for ventilation, heating in dry weather or removing frost or exterior fog on the windshield, turn the air conditioning off once it is no longer required. This will improve fuel economy. The air conditioning can be used for year-round automatic temperature control including cooling and dehumidifying operation. (b) Windshield defogging and defrosting To remove interior fog on the windshield Push the windshield air flow button. To remove frost or exterior fog on the windshield 1. Push the upper side of the temperature control button until maximum figure appears on the temperature display. 2. Push the windshield air flow button. 3. Push the "HI" of the air flow control switch to obtain a maximum air flow. 4. Leave the air conditioning on-off button off. For further information for removing frost and fog, see "Lower vent" on page 178.