HONDA 2010 Ridgeline - Manual (Page 151)

This button turns the air
conditioning on and off. You will see
A/C ON or A/C OFF in the display. When the indicator in the button is
on, air from the vehicle’s interior is
sent throughout the system again.
When the indicator is off, air is
brought in from the outside of the
vehicle (fresh air mode).
The system should be left in fresh
air mode under almost all conditions.
Keeping the system in recirculation
mode, particularly with the A/C off,
can cause the windows to fog up.
Switch to recirculation mode when
driving through dusty or smoky
conditions, then return to fresh air
mode.
The outside air intakes for the
heating and cooling system are at
the base of the windshield. Keep this
area clear of leaves and other debris.
Turn this dial to increase or decrease
the fan speed and airflow.
Turning this dial clockwise increases
the temperature of the airflow.
Vents, Heating, and A/C
Air Conditioning (A/C) Button Recirculation Button Fan Control Dial
Temperature Control Dial
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2010 Ridgeline