2008 Lexus RX 350 Navigation Manual - Page 276

RX350_Navi_U (L/O 0612) 276 AIR CONDITIONING If air flow control is not satisfactory, check the side vents and rear vents. The side vents and rear vents may be opened or closed as shown. When outside temperature is cold like a winter season, air flow temperature from the side vents and rear vents may not be warmed up enough for a while until that the engine coolant temperature becomes high enough. If air flow from the side vents and rear vents is not satisfactory, air flow direction can be changed manually by adjusting the vents fin direction or the vents may be closed. (f) Checking and replacing the air conditioning filter The air conditioning filter information label is placed in the glove box as shown and indicates that a filter has been installed. The air conditioning filter prevents dust from entering the vehicle through the air conditioning vent.