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Chevrolet
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1999
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Prizm L4-108 1.8L DOHC VIN 8 MFI
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Repair and Diagnosis
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Heating and Air Conditioning
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Air Door
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Description and Operation
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Bi-Level Mode
Bi-Level Mode
Bi-Level Mode
In the bi-level mode (2), airflow is divided between the upper air outlets and the
floor air outlets
, with warmer air delivered to the floor outlets than is delivered to the upper air outlets.