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: Description and Operation
Function of Safety Power Window
When driver door power window auto-up switch is operated, safety function is activated.
1.
Safety function condition
When detect the force of 100N (using the 10N/mm spring) during the window rising, window is reversed.
2.
Length of window reversing (except h ...
Hyundai Sonata LF 2014-2019 Owners Manual: Auto Door Lock/Unlock Features
Impact sensing door unlock system
All doors will be automatically unlocked when an impact causes the air bags to
deploy.
Speed sensing door lock system
All doors will be automatically locked when vehicle speed exceeds 9 mph (15 km/h).
All of the doors will be automatically unlocked after the engine ...
