Hyundai Sonata The Sonata has grown to be the premier mid-sized sedan of the Hyundai name with the many interior options and the powerful V6 engine.

A/C automatically on

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Old Jan 26, 2011 | 10:22 PM
  #1  
riebe's Avatar
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Default A/C automatically on

Hi


I have a 2002 sonata sedan with push button climate control,when ever I start the car the air is automatically turned on, any ideas what this may be or what may be sticking? appreciate any help!!!!!!
 
Old Feb 3, 2011 | 10:29 AM
  #2  
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On our 2009 Sonata Limited, if its below freezing temperature, ours will automatically activate the defrost mode (along with the AC compressor) for a few minutes at every start to help defrost windows - after a few minutes, it will change back to AUTO mode and the AC/defrost mode will turn off automatically.
Maybe its the same on your model/year?
 
Old Feb 14, 2011 | 10:19 PM
  #3  
jjgammon's Avatar
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When the defrost/defog is selected, either by itself or in combo with the floor vent, the AC comes on. Sort of a good idea in that the defog works better with AC on but NOT fun when it's below zero outside LOL! Nonetheless it was designed that way.
 
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