1. First, insert the car key into the keyhole under the steering wheel of Elantra to start the vehicle.
2. After starting the vehicle, turn the icon knob on the central air conditioning system to turn on the air conditioner.
3. Turn on the air conditioner and find the icon button on the air conditioning system. Click this button to turn off vehicle cooling.
4. After turning off the refrigeration, turn the knob as shown in the figure to the red area, so that the air conditioner will not blow cold air.