Hyundai Elantra: 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 after 2 seconds or when the accelerator pedal is depressed.
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.
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 1st gear (for
manual transmission vehicle) o ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components
1. LKAS ON/OFF Switch2. Instrument Cluster3. LKAS Unit
...
Hyundai Elantra AD (2016-2020) Service Manual: Output Speed Sensor Description and Operation
Description
The output speed sensor is a vital unit that measures the
rate of rotation of the transaxle's turbine shaft and output shaft, and
delivers the readings to the TCM. The sensor provides critical input
data that's used in feedback control, damper clutch control, gear
setting co ...
