Hyundai Kona: Cruise Control operation / Cruise Control will be canceled when:

Hyundai Kona (OS) 2018-2026 Owners Manual / Driving your vehicle / Cruise control / Cruise Control operation / Cruise Control will be canceled when:

Depressing the brake pedal.
Depressing the clutch pedal. (for manual transmission vehicle)
Pressing the O (Cancel) button located on the steering wheel.
Pressing the (CRUISE) button. Both the (CRUISE) indicator and the SET indicator will turn OFF.
Pressing the button. Both the (CRUISE) indicator and the SET indicator will turn OFF. (if equipped with the Speed Limit Control)
Moving the shift lever into N (Neutral). (for dual clutch transmission vehicle)
Decreasing the vehicle speed to less than approximately 30 km/h (20 mph).
The ESC (Electronic Stability Control) is operating.
Downshifting to the 2nd gear in manual shift mode. (for dual clutch transmission vehicle)

Information

Each of the above actions will cancel Cruise Control operation (the SET indicator light in the instrument cluster will go off), but only pressing the (CRUISE) button will turn the system off. If you wish to resume Cruise Control operation, push the toggle switch up (RES+) located on your steering wheel. You will return to your previously preset speed, unless the system was turned off using the (CRUISE) button.

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 C ...

To resume preset Cruising speed

Push the toggle switch up (RES+). If the vehicle speed is over 30 km/h (20 mph), the vehicle will resume the preset speed. ...

Other information:

Hyundai Kona (OS) 2018-2026 Service Manual: Floor Console Assembly Components and components location
Component Location [Manual console] 1. Floor console assembly [Automatic console] 1. Floor console assembly ...

Hyundai Kona (OS) 2018-2026 Service Manual: Coolant Repair procedures
Replacement and Air Bleeding • Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the ra ...