Kia Optima Hybrid 2017 Owner's Manual page 273

Features of your vehicle
Fan speed control
The fan speed can be set to the desired
speed by pushing the fan speed control
button.
The higher the fan speed is, the more
air is delivered.
Pressing the OFF button turns off the
fan.
5-144
Air conditioning
Press the A/C button to turn the air
conditioning system on (indicator light
will illuminate). Press the button again
to turn the air conditioning system off.
OFF mode
Press the front blower OFF button to
turn off the front air climate control
system. However, you can still operate
the mode and air intake buttons as long
as the ignition switch is in the ON posi‐
tion.