Hyundai Sonata: Cruise Control / To decrease Cruise Control speed

To temporarily accelerate with the Cruise Control ON

Depress the accelerator pedal.When you take your foot off the accelerator, the vehicle will return to the previously set speed.

If you push the toggle switch down (SET-) at the increased speed, the Cruise Control will maintain the increased speed.

To increase Cruise Control speed
Push the toggle switch (1) up (RES+) and hold it, while monitoring the SET speed on the instrument cluster. Release the toggle switch when the desired speed is shown and the vehicle will accele ...

Cruise Control will be canceled when
Depressing the brake pedal. Pressing the CANCEL switch located on the steering wheel. Pushing the CRUISE button. Both the CRUISE indicator and the SET indicator will turn OFF. Moving the shift ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 2 and 5 [B1/S1]. 4. Measure resistance between the HO2S terminals 3 and 4 [B1/S2]. 5. Check that the resistance is within the specification. Specifica ...

Hyundai Sonata LF 2014-2019 Service Manual: Advanced Smart Cruise Control (ASCC) ECU Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the ASCC ECU connector (A). 3. Remove the ASCC ECU (C) after remove the installation nut (B). Installation 1. Install in the reverse order of removal. Adjustment AEB Varia ...

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