Windshield defrosting and defogging
Frost or moisture accumulated on the windshield can obscure visibility and should be removed.
Windshield heating
Do not use the 
or 
setting when running the air conditioner (A/C) in extremely humid weather. The temperature differential between outside air and the windshield can fog up the windshield’s outer surface and obscure visibility, potentially resulting in an accident. Set the mode to 
and the fan speed control to its lowest speed.
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For maximum defrosting, set the temperature control to its highest heat and the fan speed control to its highest speed.
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Set the climate control mode to floor-defrost if you desire warm air in the footwell while defrosting or defogging.
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Before driving, clear all snow and ice from the windshield, rear window, sideview mirrors, and all side windows.
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To improve heater and defroster efficiency and reduce the likelihood of the inside of the windshield fogging up, clear all snow and ice from the hood and air inlet in the car’s grille.