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Home >> Chevrolet >> 1993 >> APV >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Operation >> Operating Modes >> LOWER Mode

LOWER Mode

Temperature valve regulates amount of air passing through heater core, and controls temperature and mixture of heated and ambient air. Air is directed to floor outlets, with a small amount routed to windshield defroster outlets.