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 the toggle switch (1) down (SET-), and release it. The SET indicator light will illuminate.
4. Release the accelerator pedal.
Information
The vehicle may slow down or speed up slightly while going uphill or downhill.
Hyundai Sonata LF 2014-2019 Service Manual: Battery Repair procedures
Removal
1.
Remove the air duct.
(Refer to Engine Mechanical System - "Air Cleaner")
2.
Disconnect the battery (-)terminal (A) and then (+)terminal (B).
3.
Remove the TCM.
(Refer to Automatic Transaxle System - "Transaxle Control Module (TCM)")
4.
Remove the battery mounting bracket ...
Hyundai Sonata LF 2014-2019 Service Manual: Electric Parking Brake (EPB) Components and Components Location
Components
1. VDC control module2. EPB switch3. Brake caliper4. EPB warning lamp5. AUTO HOLD lamp
...