2009 Lexus SC 430 Owners Manual - Page 153

3-1. Using the air conditioning system and defogger n Outside air temperature approaches 32°F (0°C). The air conditioning system will not operate even if n Lap-jet vents button is pushed. Air flows only when the retractable hardtop is opened. n When the indicator light on switch flashes Press and turn off the air conditioning control system before turning it on once more. There may be a problem in the air conditioning control system, if the indicator light continues to flash. Turn the air conditioning control system off and have it inspected by your Lexus dealer. n Notes regarding outside temperature display In the following situations, the correct outside temperature may not be displayed, or the display may take longer than normal to change. l When stopped, or driving at low speeds (less than 12 mph [20 km/h]) l When the outside temperature has changed suddenly (at the entrance/exit of a garage, tunnel, etc.) l When it is extremely hot or cold outside the vehicle CAUTION n To prevent the windshield fogging up Do not use during cooled air operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshield could cause the outer surface of the windshield to fog up, blocking your vision. NOTICE n To prevent battery discharge Do not leave the automatic climate control on longer than necessary when the engine is stopped. 156