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The control panel on your 90 deville will only work on econ but not on auto?
Wiki User
∙ 16y ago
sounds like the system is low or out of freon. System will not allow it to go on "AUTO".
Wiki User
∙ 16y ago
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How the work the ac in a 2001 qx4?
" AUTO" on your climate control activates Air Conditioning. Most efficient with recycled air option on."ECON" setting does not use A/C to cool, but only fan.
What would cause the ac-heater with the climate control on auto in a 1991 buick park avenue to switch to econ by itself?
possibly when the a/c is not needed to cool the air temperature you set. The A/C control module has failed, as revealed on a diagnostics check.
Where is the rear defog switch on a 92 Buick Roadmaster?
On the the climate control panel there is are 3 buttons, one says econ, the next looks like your windshield and the next one is square, this is the rear window defrost.
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You press the Auto and Econ buttons at the same time.
Why would when you turn the air conditioning on auto the econ heat turns on instead?
Indicates low refrigerant charge - compressor not starting
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