Page 480 of 710
![KIA NIRO 2021 Owners Manual 5157
Driving your vehicle
Setting and activating HDA
With the ignition switch or ENGINE
START/STOP button in the [ON],
select or release the setting from
“User Setting Driver Assistance
Drivi KIA NIRO 2021 Owners Manual 5157
Driving your vehicle
Setting and activating HDA
With the ignition switch or ENGINE
START/STOP button in the [ON],
select or release the setting from
“User Setting Driver Assistance
Drivi](/manual-img/2/54800/w960_54800-479.png)
5157
Driving your vehicle
Setting and activating HDA
With the ignition switch or ENGINE
START/STOP button in the [ON],
select or release the setting from
“User Setting Driver Assistance
Driving Assist Highway Driving
Assist”.
Select HDA in the User setting of the
instrument panel. and the function
will operate if the following conditions
are met :
If the engine is turned off then on
again, the function maintains the last
setting.
Operating conditions
If you activate HDA in the User set-
ting of the instrument panel. and the
following conditions are met, HDA
will be ready to operate, and the indi-
cator light ( ) will come on
green in the cluster.
When driving on the highway main
line.
When Smart Cruise Control is in
operation (Vehicle deceleration
and acceleration control)
- Refer to “Smart Cruise Control
(SCC)” in this chapter.
- If SCC is in standby mode (SCC
is on but speed is not set), HDA
will be in the same mode. The
white indicator ( ) light will
be turned on.
When the vehicle speed is below
95 mph (153 km/h)
HDA operation
The speed is automatically set in
accordance with the steering control
and the highway speed limit when all
the operating conditions are met.
Page 625 of 710

761
Maintenance
Fuse switch
Always set the fuse switch to the ON
position before using the vehicle.
If you move the switch to the OFF
position, some items such as audio
and digital clock must be reset and
transmitter (or smart key) may not
work properly. When the switch is
Off, the caution indicator will be dis-
played on the instrument cluster.
Always place the fuse switch in the
ON position while driving the vehicle.
If the switch is located in the “OFF”
position, a caution indicator will be
displayed in the cluster.
Engine compartment fuse
replacement
1. Turn the engine start/stop button
to the OFF position and all other
switches off.
2. Remove the fuse panel cover by
pressing the tab and pulling the
cover up. When the blade type
fuse is disconnected, remove it by
using the clip designed for chang-
ing fuses located in the engine
compartment fuse box. Upon
removal, securely insert reserve
fuse of the same rating.
ODEP079018
ODEP079021
CAUTION - Fuse Panel
Covers
Set all switches to ON before
driving.
If the vehicle is going to be
unused for over 1 month, set
all switches to OFF to prevent
the batteries from draining.
The contact points of the
switches may wear out with
excessive use. Please refrain
from excessive use of the
switches (except for long-term
parking for over 1 month).
Page 630 of 710

Maintenance
66 7
Instrument panel (Driver’s side fuse panel) (Hybrid)
Fuse NameFuse ratingCircuit Protected
MODULE 510A
Electro Chromic Mirror, Audio/Video & Navigation Head Unit, Audio, Shift Lever Indicator, Air Conditioner
Control Module, Rear Seat Warmer Control Module, Front Air Ventilation Seat Control Module, Front Seat
Warmer Control Module, Head Lamp Leveling Device Actuator LH/RH, Crash Pad Switch, AMP (Amplifier),
Keyboard, OBD
MODULE 410ALane Keeping Assist Control Module, Crash Pad Switch, Blind-Spot Collision Warning (BCW) Radar Left
Handle side/Right Handle side, EPB, VESS
INTERIOR
LAMP10AFront Vanity Lamp LH/RH, Room Lamp, Overhead Console Lamp, Luggage Lamp, Mood Lamp, Wireless
Charger, Rain sensor, Driver warning switch
A/BAG15APassenger Occupant Detection Sensor, ACU
IG 125AEngine Room Junction Block (Fuse - DCT4, HPCU2, ACTIVE HYDRAULIC BOOSTER3, ECU3)
CLUSTER10AInstrument Cluster
MODULE 310ABCM (Body Control Module), DCT (Dual Clutch Transmission) Shift Lever, Stop Lamp Switch, Driver Door
Module, Passenger Door Module
MEMORY 27.5AActive Air Flap Unit, VESS
MODULE 810AActive Air Flap Unit, Electric Water Pump (Engine), Engine Room Junction Block (Battery C/Fan Relay),
BMS (Battery Management System) Control Module
A/BAG IND7.5AAir Conditioner Control Module, Instrument Cluster
START7.5A[With Smart Key/With Immobilizer] Inhibitor Switch
Page 634 of 710

Maintenance
70 7
Instrument panel (Driver’s side fuse panel) (Plug-in Hybrid)
Fuse NameFuse ratingCircuit Protected
MODULE 510A
Electro Chromic Mirror, Audio/Video & Navigation Head Unit, Audio, VESS (Virtual Engine Sound System)
Unit, Air Conditioner Control Module, Rear Seat Warmer Control Module, Front Air Ventilation Seat Control
Module, Front Seat Warmer Control Module, Head Lamp Leveling Device Actuator LH/RH, Crash Pad
Switch, AMP (Amplifier), Keyboard, OBD
MODULE 410ALane Keeping Assist Control Module, Crash Pad Switch, Blind-Spot Collision Warning (BCW) Radar Left
Handle side/Right Handle side, EPB, VESS
INTERIOR
LAMP10AFront Vanity Lamp LH/RH, Room Lamp, Overhead Console Lamp, Door Warning Switch, Luggage Lamp,
Wireless Charger, Mood Lamp, Rain sensor, Driver warning switch
A/BAG15APassenger Occupant Detection Sensor, ACU
IG 125AEngine Room Junction Block (Fuse - DCT4, HPCU2, ACTIVE HYDRAULIC BOOSTER3)
CLUSTER10AInstrument Cluster
MODULE 310ABCM (Body Control Module), DCT (Dual Clutch Transmission) Shift Lever, Stop Lamp Switch, Driver Door
Module, Passenger Door Module
IG3 210AFuel Filler Door & Battery Charger Switch, Instument Cluster, Audio, Charger Indicator, Integrated Gateway
Power control Module, Audio/Video & Navigation Head Unit
MEMORY 27.5AActive Air Flap Unit, VESS
MODULE 810AActive Air Flap Unit, Electric Water Pump (Engine)
A/BAG IND7.5AAir Conditioner Control Module, Instrument Cluster
Page 639 of 710

775
Maintenance
Engine room compartment fuse panel (Hybrid)
Fuse NameFuse ratingCircuit Protected
MULTI FUSE
B+ 560AFuse - BATTERY C/FAN, HORN, ECU2, Engine Control Relay
B+ 260AInstrument Panel Junction Block (Fuse - S/HEATER (REAR))
B+ 360AInstrument Panel Junction Block
B+ 450AInstrument Panel Junction Block (Fuse - BATTERY MANAGEMENT, P/WINDOW (LH), P/WIN-
DOW (RH), TAIL GATE OPEN, SUNROOF, AMP, S/HEATER (FRT), P/SEAT (DRV))
COOLING FAN60ACooling Fan Relay
REAR HEATED50ARear Heated Relay
BLOWER40ABlower Relay
IG 140A[Without Smart Key] Ignition Switch, [With Smart Key] PDM1 (ACC) Relay, PDM2 (IG1) Relay
IG 240A[Without Smart Key] Ignition Switch, [With Smart Key] PDM3 (IG2) Relay
MDPS80AMDPS (Motor Driven Power Steering) Unit
PTC
HEATER 150APTC Heater 1 Relay
PTC
HEATER 250APTC Heater 2 Relay
CLUTCH
ACTUATOR40AClutch Actuator (HEV)
MAIN150AFuse - H/LAMP HI, INVERTER, ACTIVE HYDRAULIC BOOSTER1, ACTIVE HYDRAULIC
BOOSTER2, WIPER RR, EPB1, EPB2
P/OUTLET 140APower outlet Relay
Page 640 of 710
Maintenance
76 7
Fuse NameFuse ratingCircuit Protected
FUSE
POWER
OUTLET 320APower Outlet #2
POWER
OUTLET 220APower Outlet #1
DCT 315ATCM (Transmission Control Module)
HPCU 110AHPCU (Hybrid Power Control Unit)
EWP10AElectric Water Pump (Engine)
FUEL PUMP20AFuel Pump Relay
B + 140AInstrument Panel Junction Block (Fuse - BRAKE SWITCH, PDM1, PDM2, MODULE1, DOOR
LOCK, Leak Current Autocut Device)
DCT 240ATCM (Transmission Control Module)
DCT 140ATCM (Transmission Control Module)
WIPER RR15AWiper RR Relay
H/LAMP HI10AH/Lamp HI Relay
ACTIVE
HYDRAULIC
BOOTER 140AIntegrated Brake Actuation Unit
Page 643 of 710
779
Maintenance
Engine room compartment fuse panel (Plug-in Hybrid)
Fuse NameFuse ratingCircuit Protected
MULTI FUSE
B+ 560AFuse - BATTERY C/FAN, HORN, ECU2, Engine Control Relay
B+ 260AInstrument Panel Junction Block (Fuse - S/HEATER (REAR))
B+ 360AInstrument Panel Junction Block
B+ 450AInstrument Panel Junction Block (Fuse - BATTERY MANAGEMENT, P/WINDOW (LH), P/WIN-
DOW (RH), TAIL GATE OPEN, SUNROOF, AMP, S/HEATER (FRT), P/SEAT (DRV), IG3 1,
OBC, AMS)
COOLING FAN60ACooling Fan Relay
REAR HEATED50ARear Heated Relay
BLOWER40ABlower Relay
IG 140A[Without Smart Key] Ignition Switch, [With Smart Key] PDM1 (ACC) Relay, PDM2 (IG1) Relay
IG 240A[Without Smart Key] Ignition Switch, [With Smart Key] PDM3 (IG2) Relay
MDPS80AMDPS (Motor Driven Power Steering) Unit
PTC
HEATER 150APTC Heater 1 Relay
PTC
HEATER 250APTC Heater 2 Relay
CLUTCH
ACTUATOR40AClutch Actuator (PHEV)
MAIN150AFuse - H/LAMP HI, INVERTER, ACTIVE HYDRAULIC BOOSTER1, ACTIVE HYDRAULIC
BOOSTER2, WIPER RR, EPB1, EPB2
Page 644 of 710
Maintenance
80 7
Fuse NameFuse ratingCircuit Protected
FUSE
P/OUTLET 140APower outlet Relay
POWER
OUTLET 320APower Outlet #2
POWER
OUTLET 220APower Outlet #1
DCT 315ATCM (Transmission Control Module)
HPCU 110AHPCU (Hybrid Power Control Unit)
EWP10AElectric Water Pump (Engine)
FUEL PUMP20AFuel Pump Relay
B + 140AInstrument Panel Junction Block (Fuse - BRAKE SWITCH, PDM1, PDM2, MODULE1, DOOR
LOCK, Leak Current Autocut Device)
DCT 240ATCM (Transmission Control Module)
DCT 140ATCM (Transmission Control Module)
WIPER RR15AWiper RR Relay
H/LAMP HI10AH/Lamp HI Relay
ACTIVE
HYDRAULIC
BOOTER 140AIntegrated Brake Actuation Unit