2023 HYUNDAI SANTA FE HYBRID heater

Maintenance9-18
The high-pressure cooling system has a
reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the
factory.
Check the antifreeze protection and
coolant level at least once a year, at
the beginning of the winter season and
before traveling to a colder climate.
Checking the Coolant Level
„Engine coolant
OTMH092004L
„Inverter coolant
OTMH092030L
Check the condition and connections
of all cooling system hoses and
heater hoses. Replace any swollen or
deteriorated hoses. The coolant level should be filled
between the MAX and the MIN marks on
the side of the coolant reservoir when
the engine is cool.
If the coolant level is low, add the
selected anti-freeze according to the
proper coolant mix ratio to bring the level
to the MAX mark, but do not overfill.
If frequent additions are required, You
see an authorized HYUNDAI dealer for a
cooling system inspection.
ENGINE COOLANT/INVERTER COOLANT

Maintenance9-46
Instrument panel fuse panel
Fuse Name Fuse
Rating Circuit Protected
MODULE 4 7
.5A Stop Lamp Switch, Data Link Connector, Driver Door Area Unit
AIR BAG 1 15A SRS Control Module
BRAKE
SWITCH 7.5A IBU, Stop Lamp Switch
MODULE 9 15AAudio, A/V & Navigation Head Unit, Instrument Cluster, Front
A/C Control Module, Head-Up Display, Rear Occupant Alert
(ROA) Sensor, Driver IMS Control Module, Power Tail Gate
Unit, Driver Door Area Unit, Rear A/C Control Module,Driver/
Passenger Power Outside Mirror
MODULE 10 10A Rear Corner Radar LH/RH, Front Wireless Charger, VESS UNIT
MODULE 7 10A Head Lamp LH/RH
BATTERY
MANAGEMENT7.5A BMS Control Module
AIR BAG IND. 10A Instrument Cluster, Overhead Console Assembly
IBU 1 7.5A IBU
MODULE 2 7.5AAC Inverter Outlet, AC Inverter Module, Rear Seat Heater LH/
RH, Front Seat Warmer Control Module, Front Air Ventilation
Control Module
MODULE 8 7.5ADriver/Passenger Smart Key Outside Handle, Hazard Switch,
Driver/Passenger Power Outside Mirror, Data Link Connector,
Rain Sensor, UIP Sensor Mood Lamp Unit, Mood Lamp, Mood
Lamp #1/#2
S/HEATER FRT 20AFront Air Ventilation Control Module, Front Seat Warmer
Control Module

09
9-47
Instrument panel fuse panel
Fuse NameFuse
Rating Circuit Protected
AIR BAG 2 15A
SRS Control Module
E-SHIFTER 1 10A Electronic Shift Dial
E-SHIFTER 2 7.5A Electronic Shift Dial
MODULE 5 7.5ACrash Pad Switch,Upper Console Switch, Surround View
Monitor ECU, Steering Angle Sensor, IBU, ADAS Parking ECU,
Front View Camera, AWD ECM, VESS UNIT
IBU 2 15A IBU
SUNROOF 2 20A Panorama Sunroof
MODULE 1 7.5A IBU
P/WDW RH 25ADriver/Passenger Safety Power Window Module, Rear Safety
Power Window RH, Rear Power Window Switch RH, Passenger
Power Window Switch
RR S/HEATER LH 25A Rear Seat Heater LH
CLUSTER 7.5A Instrument Cluster, Head-Up Display
MDPS *
110A MDPS Unit
A/CON 7.5AE/R Junction Block (RLY. 4, RLY. 6, RLY. 9), Front A/C Control
Module, Electronic A/C Compressor HEV)
CHILD LOCK 15A ICM Relay Box (Child Lock/Unlock Relay)
DOOR LOCK 20ADoor Lock Relay, Door Unlock Relay, Tail Gate Relay, Dead
Lock Relay
*1 : MDPS (Motor Driven Power Steering) is the same as EPS (Electric Power Steering)

Maintenance9-48
Instrument panel fuse panel
Fuse Name Fuse
Rating Circuit Protected
REAR A/CON 10
ARear A/C Control Module, Rear Blower Motor, Front A/C
Control Module
SUNROOF 1 20A Panoramic Sunroof
P/WDW LH 25ADriver/Passenger Safety Power Window Module, Rear Safety
Power Window LH, Rear Power Window Switch LH, Passenger
Power Window Switch
MODULE 3 7.5A IBU, PCB Block (Battery C/Fan Relay)
MODULE 6 7.5AAudio, A/V & Navigation Head Unit, A/V & Navigation
Keyboard, Front A/C Control Module, AMP, Front Wireless
Charger, E-Call Unit, Electro Chromic Mirror, Rear Seat
Haeter LH/RH, Driver IMS Control Module, Overhead Console
Assembly, Front Seat Warmer Control Module, Front Air
Ventilation Control Module
WASHER 15A Multifunction Switch
RR S/HEATER RH 25A Rear Seat Heater RH
WIPER RR 15A Rear Wiper Relay, Rear Wiper Motor
AMP 25A AMP
ACC 7.5AE-Call Unit, Surround View Monitor ECU, ADAS Parking ECU
Avoidance Assist Unit, A/V & Navigation Keyboard, Audio, IBU,
A/V & Navigation Head Unit, Front USB Charger, Rear USB
Charger LH/RH, AMP
P/SEAT PASS 30A Passenger Seat Manual Switch, Walk In Relay
P/SEAT DRV 30A Driver IMS Control Module, Driver Seat Manual Switch

09
9-51
Engine compartment fuse panel
Type Fuse NameFuse
Rating Circuit Protected
FUSE HTD MIRR
10A
RLY. 1 (Rear Heated Relay), Driver/Passenger
Outside Mirror, Front A/C Control Module
B+5 50A ICU Junction Block (F4/F14/F23/F24/F33/F34/F44)
IEB 3 60A IEB Unit
B+1 50A ICU Junction Block (IPS 1 SPOC+/IPS 2/IPS 3/IPS
4/IPS 5/IPS 6/IPS 7/ Long Term Load Latch Relay,
Short Term Load Latch elay)
PTC HEATER 1 50A RLY. 4 (PTC Heater Relay #1)
PTC HEATER 2 50A RLY. 6 (PTC Heater Relay #2)
POWER TAIL GATE 30A
Power Tail Gate Unit
FUEL PUMP 20A RLY. 5 (Fuel Pump Relay)
AMS 10A Battery Sensor
EWP 1 10A Electronic Water Pump
AWD 20A AWD ECM
E-SHIFTER 2 10A SCU
BATTERY C/ FAN 15A
PCB Block (Battery C/FAN Relay)
OPCU 20A OPU
HPCU 1 10A HPCU
BATTERY
MANAGEMENT10A BMS Control Module
TRAILER 1 30A Trailer Module