Kia Niro: Brake system / Hill-start assist control (HAC)

A vehicle has the tendency to slip back on a steep hill when it starts to go after stopping. The Hill-start Assist Control (HAC) prevents the vehicle from slipping back by operating the brakes automatically for about 1~2 seconds. The brakes are released when the accelerator pedal is depressed or after about 1~2 seconds.

WARNING

The HAC is activated only for about 1~2 seconds, so when the vehicle is starting off always depress the accelerator pedal.

✽ NOTICE

Malfunction indicator
The VSM can be deactivated even if you don’t cancel the VSM operation by pressing the ESC OFF button. It indicates that a malfunction has been detected somewhere in the EPS (Electronic Power Ste ...

Emergency Stop Signal (ESS)
The Emergency Stop Signal system alerts the driver behind by blinking the stop light when the vehicle is braked rapidly and severely. The system is activated when: The vehicle suddenly stops (v ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Power Relay Assembly (PRA) Description and operation
Description The Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor. It is located inside the battery pack assembly and controls the high voltage power circuit between the high voltage batte ...

Kia Niro (DE HEV) Owners Manual: Smart cruise control will be temporarily canceled when
Cancelled manually The smart cruise control is temporarily canceled when the brake pedal is depressed or the CANCEL button is pressed. The speed and vehicle to vehicle distance indicator on the cluster is disappeared and the CRUISE indicator is illuminated continuously. Cancelled automatical ...

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