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
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components
1. Memory power seat unit (PSM)2. IMS control switch3. Outside Mirror
...
Hyundai Sonata LF 2014-2019 Service Manual: RCV Control Solenoid Valve Description and Operation
Description
RCV (Recirculation Valve) Control Solenoid Valve is installed
on the cooling pan motor top and operates the RCV actuator which
controls the by-pass passage of the turbo-charger compressor.
When the throttle valve is closed during engine running
[Tip-out], crash noise of the imp ...