Lexus SC 430 2002 Manual page 175

4 Floor/Windshield − Air flows mainly from the floor vents,
the windshield vents and the lap−jet vents (if the
retractable hardtop is opened).
It is recommended that you close the lower vent. For details
about this, see page 163.
If quick heating or cooling is desired −
Push the "TEMP" or "PASSENGER TEMP" button on either
side and hold it until the maximum figure or minimum figure
appears on the display.
If manual fan speed control is desired −
21sa03a
" 1 Fan speed at low
2 Fan speed at high
The fan speed can be set to your desired speed by pushing the
appropriate side of fan speed control button. The higher the
fan speed is, the more air is delivered. Pushing the "OFF"
button turns off the fan.
To remove exterior windshield frost, use the high speed
setting.
If manual switching of air intake is desired −
21sa02
Each time you push the air intake control button, the mode
changes in order from the RECIRCULATED AIR mode to
AUTOMATIC mode to OUTSIDE AIR mode, then back to the
RECIRCULATED AIR mode. Each indicator light shows which
mode is now selected.
1 RECIRCULATED mode − If quick circulation of cooled air
is desired, select this mode.
2 EXHAUST GAS AUTOMATIC mode − If the outside air
contains harmful substances like exhaust gas (i.e., when
the vehicle running just in front of your vehicle accelerates
rapidly), the system changes automatically from the
OUTSIDE AIR mode (with indicators 2 and 3 on) to
the RECIRCULATED mode (with indicators 1 and 2
on).
3 OUTSIDE AIR mode − The system will take fresh outside
air into the vehicle.
AIR CONDITIONING
157