Hyundai Sonata: Heating and Air Conditioning / Mode selection

The mode selection button controls the direction of the air flow through the ventilation system.

Air can be directed to the floor, dashboard outlets, or windshield. Five symbols are used to represent Face, Bi-Level, Floor, Floor-Defrost and Defrost air position.

Face-Level (B, D, F)

Air flow is directed toward the upper body and face. Additionally, each outlet can be controlled to direct the air discharged from the outlet.

Bi-Level (B, D, C, E, F)

Air flow is directed towards the face and the floor.

Floor-Level (A, C, D, E)

Most of the air flow is directed to the floor, with a small amount of the air being directed to the windshield, side window defrosters, and side vents.

Floor & Defrost (A, C, D, E)

Most of the air flow is directed to the floor and the windshield with a small amount directed to the side window defrosters, and side vents.

Defrost-Level (A, D)

Most of the air flow is directed to the windshield with a small amount of air directed to the side vents.

Heating and Air Conditioning
1. Start the engine. 2. Set the mode to the desired position. To improve the effectiveness of heating and cooling : - Heating: - Cooling: 3. Set the temperature control to the desired position. 4. ...

A/C MAX-Level (B, D)
The A/C MAX mode is used to cool the inside of the vehicle more quickly. Air flow is directed toward the upper body and face. In this mode, the air conditioning and the recirculated air position wil ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Power Door Lock Switch Repair procedures
Inspection Diagnosis with GDS 1. The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). The diagnostic system (GDS) provides the following information. (1) Self diagnosis : Checking the failure code (DTC) and display (2) Current data : Chec ...

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
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