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) Owners Manual: Parking Brake
Always set the parking brake before leaving the vehicle. To apply the parking
brake:
Firmly depress the brake pedal.
Pull up the parking brake lever as far as possible.
WARNING
To reduce the risk of SERIOUS INJURY or DEATH, do not operate the parking
brake while the vehicle is moving excep ...
Hyundai Elantra AD (2016-2020) Service Manual: Ambient Temperature Sensor Repair procedures
Inspection
1.
Check the resistance of the ambient temperature sensor
between terminals 1 and 2 whether it changes by changing the ambient
temperature.
1. Ambient Sensor (+)2. Sensor ground
Specification
Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (k?)-30 (-22)4 ...
