Kia Optima DL3: Cruise Control System / To increase cruise control set speed

Follow either of these procedures:

  • Move the lever up (to RES+) and hold it. Your vehicle set speed will increase by 10 km/h (5 mph). Release the lever at the speed you want.
  • Move the lever up (to RES+) and release it immediately. The cruising speed will increase by 1.0 km/h (1.0 mph) each time you move the lever up (to RES+) in this manner.

    1. Press the CRUISE button on the steering wheel to turn the system on. The CRUISE indicator light in the instrument cluster will illuminate. 2. Accelerate to the desired speed, which must be more than 30 km/h (20 mph).

    Follow either of these procedures: Move the lever down (to SET-) and hold it. Your vehicle will gradually slow down. Release the lever at the speed you want to maintain.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: In-car Sensor

    Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater co

    Kia Optima DL3 2019-2026 Service and Repair Manual: Evaporator Core

    Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Loosen the mounting screws, lock pin and remove the evaporator core cover (A).

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