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Air conditioning turns on by itself - Sonata Hyundai Cars & Trucks

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The A/C on some cars is automatic and will turn ON according to the temp inside the car or always with defroster. If you change the mode to feet and face you can cancel the A/C with the button. If you can't,the control panel is defective.

Posted on Apr 21, 2014


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Why does my air conditioning on my 2009 Pontiac torrent turn itself off?

Was the air flow ok before it stopped working ?
Following could be additional possibilities :
1. Bad blower motor
2. Choked evaporator coil

2nd one seems a primary issue ... if evaporator coil is choked it will flow less air in the cabin and after coil reaches the set temperature the thermocouple sensor will cut off the AC (that might be what has been happening so far) .Now ,You should be hearing the sound of blower but no air from the vents.

Sep 06, 2015 | 2009 Pontiac Torrent

1 Answer

Replace air conditioning filter

check the mesurement of the current filter (should be one the thing itself)then go to your local hardware store and buy one simillar

Aug 27, 2012 | 2010 Mitsubishi L200 2.5

1 Answer

When I turn on the ac it blow out hot air.

Do you hear the air conditioning compressor switch on (with the engine running) when you turn on the air conditioning from inside the car. Get a friend to turn on and off the air conditioning while you listen with the hood open engine running you should hear a clicking sound on and off each time the a/c is cycled on and off or the a/c clutch is not locking up the compressor. This may be due to many things (bad clutch, bad compressor, no power to controls or compressor clutch) but it could be a sign of low charge the system has a low pressure switch which prevents the system from being energized if the system has low refrigerant charge. By protecting itself it prevent catastrophic failure of the compressor and ensuing damage to the rest of the a/c system if the system looses it charge. You will need to have the system checked out by someone experienced in air conditioning work who will attach pressure gauges to your car and see if the refrigerant pressures are OK. The system naturally looses some refrigerant over time but if the system constantly looses charge then it has a leak that must be investigated and repaired before just recharging the system

May 28, 2010 | 2001 Ford Expedition

1 Answer

The radio changes channel by itself.


Apr 05, 2010 | 2004 Toyota Prius

1 Answer

99 jeep cherokee air conditioning no longer works. Can I leave it there and use a shorter serpentine belt and by pass the air pulley? It has a 4.0 litre engine

well if the ac just deosnt work anymore or is the pulley itself locked up. if the pulley is locked up then yes go ahead and get a bypass belt, but if the compressor itself deosnt turn on and the pulley still turns u dont need to do anything to be able to drive the vehicle other than to check the pressure in the ac system u probably have a leak that has tripped the low pressure sensor that protects the compressor by not allowing it to turn on

Jan 20, 2010 | 1999 Jeep Cherokee 4WD

1 Answer

The air conditioning in my car wont turn off

you have a resistor in your a/c blowr housing that is probly shorted

Jul 25, 2009 | 1995 Oldsmobile Aurora

1 Answer

Air condition fan only works on high speed, no low speed

You have a bad blower motor resistor. This is located under the dash close to the blower motor itself

Apr 14, 2009 | Chevrolet Colorado Cars & Trucks

1 Answer

My defog, heat, and air conditioning has just

Very very common fault its the display itself, pop it out try resoldering it but it doesnt always work, bmw do offer an exchange though, a new one for your old one plus cash.
Good luck Davelee.

Mar 24, 2009 | 1997 BMW 328

1 Answer

Air conditioning

Check aircondition switch for correct connection and operation.

a. Full auto air conditioning system: One-touch button type. b. Manual air conditioning system: Combination of dial switch and a one-touch button.if "auto" is selected and low temperature it may itself turn on .

Aug 11, 2008 | 2001 Hyundai Elantra

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