2006 Toyota Highlander Owners Manual - Page 274

'06 HIGHLANDER HB_U (L/O 0503) When the engine coolant temperature or electric compressor inverter temperature is extremely high, the RECIRCULATE mode will automatically be selected. In this case, it is not possible to select the FRESH mode if you press the air intake control button. It is not a malfunction. When the temperature becomes low, the air intake mode returns to the mode previously used. To prevent fogging up of the windshield, the air intake mode may change automatically to FRESH depending on the condition of the air conditioning system. "A/C" button To turn on the air conditioning, press the "A/C" button. The "A/C" button indicator will come on. To turn the air conditioning off, press the button again. If the "A/C" button indicator flashes, there is a problem in the air conditioning system and the air conditioning automatically shuts off. If this happens, take your vehicle to a Toyota dealer for service. 261 2006 HIGHLANDER (Hybrid) from Mar. '05 Prod. (OM48530U)