Hyundai Sonata: Cruise Control / To increase Cruise Control speed

Hyundai Sonata LF 2014-2019 Owners Manual / Driving your vehicle / Cruise Control / 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 accelerate to that speed.
Push the toggle switch (1) up (RES+) and release it immediately. The cruising speed will increase 1.0 mph (1.6 km/h) each time the toggle switch is operated in this manner.
Depress the accelerator pedal. When the vehicle attains the desired speed, push the toggle switch (1) down (SET-).

To set Cruise Control speed

1. Push the CRUISE button on the steering wheel to turn the system on. The CRUISE indicator will illuminate. 2. Accelerate to the desired speed, which must be more than 20 mph (30 km/h). 3. Push th ...

To decrease Cruise Control speed

Push the toggle switch (1) down (SET-) and hold it. Your vehicle will gradually slow down. Release the toggle switch at the speed you want to maintain. Push the toggle switch (1) down (SET-) and ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Failure Diagnosis 1. In principle, ESP and TCS controls are prohibited in case of ABS failure. 2. When ESP or TCS fails, only the failed system control is prohibited. 3. However, when the solenoid valve relay should be turned off in case of ESP failure, refer to the ABS fail-safe. 4. ...

Hyundai Sonata LF 2014-2019 Service Manual: Alternator Schematic Diagrams
Circuit Diagram • COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or higher, low voltage: 2V or lower) • FR signal - The transistor activation signal inside t ...