Hyundai Sonata: Braking System / Hill-Start Assist Control (HAC)
The Hill-Start Assist Control (HAC) helps prevent the vehicle from rolling backwards when starting a vehicle from a stop on a hill. The system operates the brakes automatically for approximately 2 seconds and releases the brake when the accelerator pedal is depressed or after 2 seconds.
WARNING
Always be ready to depress the accelerator pedal when starting off on a incline. The HAC activates only for approximately 2 seconds.
NOTICE
- The HAC does not operate when the shift lever is in P (Park) or N (Neutral)
- The HAC activates even though the ESC (Electronic Stability Control) is off but does not activate when the ESC has malfunctioned.
ESC OFF usage
When Driving
The ESC OFF mode should only be used briefly to help free the vehicle if stuck
in snow or mud by temporarily stopping operation of the ESC to maintain wheel torque.
To turn ESC off while ...
Good Braking Practices
WARNING
Whenever leaving the vehicle or parking, always come to a complete stop and
continue to depress the brake pedal. Move the shift lever into the P (Park) position,
then apply the parking brake ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Center Facia Upper Panel Components and Components Location
Component Location
1. Center Facia Upper panel assembly
...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location (1)
1. Smart key unit (SMK)2. Interior antenna 23. Door outside handle4. Interior antenna 15. Buzzer
Component Location (2)
1. Trunk open switch2. Bumper antenna3. Trunk atenna
...
