There are several methods you can use to change the route destination.
Horn Test/Replacement
'09-11 models
Remove the front grille cover.
Disconnect the 1P connector (A) from the horn (B).
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Vents, Heating, and A/C
* : If equipped
Airflow Controls
Fan Control Dia
Turn this dial to increase or decrease the fan speed and airflow.
Temperature Control Dial
Turning this dial clockwise increases the temperature ...