If the Off position is 12 o'clock, the 1 o'clock position (1st position
to the right) is bi-level output (air from the dash vents and from
the heater vents below). The A/C is ON in this position, believe it
So, there's nothing to fix. This is how it was designed to work.
To avoid using the A/C (and killing your gas mileage), use either
the vent position (11 o'clock) or the heater position (2 o'clock).
The A/C is also on in the two defrost positions, to help reduce
the humidity when defogging the windows.
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