Kia Optima DL3: Features of your vehicle / Folding key

Record your key number

The key code number is stamped on the key code tag attached to the key set. Should you lose your keys, this number will enable an authorized Kia dealer to duplicate the keys easily. Remove the key code tag and store it in a safe place. Also, record the key code number and keep it in a safe place.(not in the vehicle)

Used to start the engine. Used to lock and unlock the doors. To unfold the key, press the release button then the key will unfold automatically.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: A/C Pressure Transducer

Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

Kia Optima DL3 2019-2026 Service and Repair Manual: Auto Defogging Sensor

Description and operation Description The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actu

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