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
Good Braking PracticesHyundai Elantra AD (2016-2020) Service Manual: Start/Stop Button Repair procedures
Removal
1.
Disconnect the negative(-) battery terminal.
2.
Remove the crash ped lower panel.
(Refer to Body - "Crash Ped Lower Panel")
3.
Remove the start/stop button (B) after disconnect the connector (A).
Installation
1.
Install the start/stop button.
2.
Install the crash pa ...
Hyundai Elantra AD (2016-2020) Service Manual: CVVT & Camshaft Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...