Vehicle Specifications

Temperature Control

~1min read

The temperature will increase to maximum (HI) when the knob is turned fully to the right.

The temperature will decrease to minimum (Lo) when the knob is turned fully to the left.

Turning the knob will increase or decrease the temperature by 0.5 °C/1°F. When the minimum temperature is set, the air conditioner will operate continuously.

Same Temperature Control for Driver and Passenger Sides

  • Press the "SYNC" button to adjust the driver's and passenger's side temperatures equally.
    The passenger's side temperature will be set to the same temperature as the driver's side.
  • Turn the driver side temperature control knob. The driver and passenger side temperatures will be adjusted equally.

Independent Temperature Control for Driver and Passenger Sides

  • Press the "SYNC" button again to adjust the driver's and passenger's side temperatures independently. The button indicator light goes off.
  • Use the driver's side temperature control knob to adjust the driver's side temperature.
  • Turn the passenger's side temperature control knob to adjust the passenger's side temperature.

Temperature Unit Conversion

You can change the temperature unit from Celsius to Fahrenheit as follows:

While holding the OFF button, press and hold the AUTO button for 3 seconds or more.

The display will change from Celsius to Fahrenheit or from Fahrenheit to Celsius.

If the battery is discharged or disconnected, the temperature display will reset to Fahrenheit.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.