Hyundai Sonata: Checking the amount of air conditioner refrigerant and compressor lubricant - Manual climate control system - Features of your vehicleHyundai Sonata: Checking the amount of air conditioner refrigerant and compressor lubricant

When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system.

Therefore, if abnormal operation is found, have the system inspected by an authorized HYUNDAI dealer.

✽ NOTICE

It is important that the correct type and amount of oil and refrigerant is used. Otherwise, damage to the compressor and abnormal system operation may occur.

WARNING

The air conditioning system should be serviced by an authorized HYUNDAI dealer. Improper service may cause serious injury to the person performing the service.

    Climate control air filter
    The climate control air filter installed behind the glove box filters the dust or other pollutants that come into the vehicle from the outside through the heating and air conditioning system. If ...

    Automatic climate control system
    Type A Type B 1. Front windshield defrost button 2. Rear window defrost button 3. AUTO (automatic control) button 4. OFF button 5. Driver’s temperature control knob 6. Mode indicator 7. ...

    See also:

    Weight Classification System (WCS). Description and Operation
    Description In contrast to the initial one-stage airbag systems, newer restraint systems involve complex logic to select, or alternatively suppress, various levels of safety system deploymen ...

    Electrical System
    1. Be sure to disconnect the battery cable from the negative (-) terminal of the battery. 2. Never pull on the wires when disconnecting c ...

    Telemetics Unit (TMU). Repair procedures
    Removal 1. Remove the audio monitor (or AVN head unit) after loosening the mounting screws. (Refer to the BE group - "Audio Unit" or "AVN Unit" ...