Hyundai Elantra (CN7): Manual heating and air conditioning / Air conditioning & OFF mode

Air conditioning

Push the A/C button to manually turn the air conditioning system on (indicator light will illuminate).

Push the button again to turn the air conditioning system off.

OFF mode

Push the OFF button of the front to turn off the air climate control system. However, you can still operate the mode and air intake buttons as long as the ignition switch is in the ON position.

    The fan speed can be set to the desired speed by using the fan speed control toggle switch. More air is delivered with higher fan speeds. Pressing the OFF button turns off the fan.

    Ventilation 1. Select the Face Level mode. 2. Set the air intake control to fresh mode. 3. Set the temperature control to the desired position. 4. Set the fan speed control to the desired speed.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Evaporator Core

    Repair procedures Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Remove the heater core cover (A) after loosening the mounting screws.4.Pull out the evaporator core (A) from the heater unit.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting

    TroubleshootingDiagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.1)Fault Code Searching : Checking failure and code number (DTC)2)Data Analysis : Checking the system input/

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