2021 GENESIS G80 trunk

Maintenance
9-28
Battery Usage
Recommendations
ORG3090021L
• Keep the battery securely mounted.
• Keep the battery top clean and dry.
• Keep the terminals and connections
clean, tight, and coated with
petroleum jelly or terminal grease.
• Rinse any spilled electrolyte from the
battery immediately with a solution of
water and baking soda.
• If the vehicle is not going to be used
for an extended time, disconnect the
battery cables.
Battery Recharging
By battery charger
Should your vehicle's battery become
discharged either run the engine for
at least 60 minutes driving or at idle.
Alternatively you may connect a fully
automatic regulated charger to the
engine compartment front jumper posts
or at the battery in the trunk.
CAUTION
Do not use a manual unregulated
charger it may cause the battery
to overheat and create a potential
hazard.
WARNING
Always follow these instructions when
recharging your vehicle’s battery to
avoid the risk of SERIOUS INJURY or
DEATH from explosions or acid burns:
• Before performing maintenance or
recharging the battery, turn off all
accessories and stop the engine.
• Keep all flames, sparks, or smoking
materials away from the battery.
• Always work outdoors or in an area
with plenty of ventilation.
• Wear eye protection when checking
the battery during charging.
• The battery must be removed from
the vehicle and placed in a well
ventilated area.
• Watch the battery during charging,
and stop or reduce the charging
rate if the battery cells begin boiling
violently.

09
9-29
• The negative battery cable must
be removed first and installed last
when the battery is disconnected.
Disconnect the battery charger in the
following order:
1. Turn off the battery charger main
switch.
2. Unhook the negative clamp from
the negative battery terminal.
3. Unhook the positive clamp from
the positive battery terminal.
• Always use a Genuine Genesis Part
approved battery when you replace
the battery.
NOTICE
AGM battery
• Absorbent Glass Matt (AGM)
batteries are maintenance-free and
we recommend that the AGM battery
be serviced by an authorized retailer
of Genesis Branded products. For
charging your AGM battery, use only
fully automatic battery chargers that
are specially developed for AGM
batteries.
• When replacing the AGM battery,
we recommend that you use parts
for replacement from an authorized
retailer of Genesis Branded products.
• Do not open or remove the cap on
top of the battery. This may cause
leaks of internal electrolyte that
could result in severe injury.
By jump starting
After a jump start from a good battery,
drive the vehicle for 20-30 minutes
before it is shutoff. The vehicle may
not restart if you shut it off before the
battery had a chance to adequately
recharge. See “Jump Starting” in chapter
6 for more information on jump starting
procedures.
Information
An inappropriately disposed battery can be harmful to the
environment and human health.
Dispose of the battery according
to your local law(s) or regulation.
Reset Items
The following items may need to be reset
after the battery has been discharged or
the battery has been disconnected.
• Fuel economy/Driving info/Since
refueling/Accumulated info (items in
Utility view) (see chapter 4)
• Integrated memory system (see
chapter 5)
• Power window (see chapter 5)
• Sunroof (see chapter 5)
• Power trunk (see chapter 5)
• Climate control system (see chapter 5)
• Rear door window shade (see chapter
5)
• Clock (see Infotainment system
manual)
• Infotainment system (see
Infotainment system manual)

Maintenance
9-44
Instrument Panel Fuse
Replacement
„„Driver’s side
ORG3090023
„„Trunk
ORG3090024
1. Turn the vehicle off.
2. Turn all other switches off.
3. Open the fuse panel cover.
4. Refer to the label on the inside of
the fuse panel cover to locate the
suspected fuse location.
ORG3090025
5. Pull the suspected fuse straight out.
Use the removal tool (1) provided in
the engine compartment fuses panel
cover.
6. Check the removed fuse; replace it if
it is blown. Spare fuses are provided in
the instrument panel fuse panels (or in
the engine compartment fuse panel).
7. Push in a new fuse of the same
rating, and make sure it fits tightly in
the clips. If it fits loosely, consult an
authorized retailer of Genesis Branded
products.
In an emergency, if you do not have
a spare fuse, use a fuse of the same
rating from a circuit you may not need
for operating the vehicle, such as the
cigarette lighter fuse.
If the headlamps or other electrical
components do not work and the fuses
are undamaged, check the fuse panel
in the engine compartment. If a fuse is
blown, it must be replaced with the same
rating.

Maintenance
9-48
Instrument panel fuse panel
Fuse NameFuse Rating Circuit Protected
MODULE8 10ARear Radar LH/RH, ECS Unit, RWS Module, ADAS Unit
(Driving), ADAS Unit (Parking), Crash Pad Switch, Front
Console Switch, Steering Tilt & Telescopic Unit, LKAS Unit
MODULE5 10A
ICU Junction Block (ESU), Hazard Switch
MODULE3 10ARear Seat Console Remote Control Switch Switch, Active
Air Flap Module, Clock Spring, Steering Tilt & Telescopic
Unit, Multifunction Switch
P/WINDOW LH 30ADriver Power Window Module, Rear Power Window Module
LH
CURTAIN 10A
IBU
P/SEAT PASS2 25A
Passenger Power Seat Module
TRUNK 10A
Trunk Release Relay
AIR BAG1 15A
SRS Control Module
E-SHIFTER1 10A
Electronic ATM Shift Lever Dial
MODULE4 10A
Driver Door Module, Data Link Connector
P/SEAT DRV1 25A
Driver Power Seat Module
P/SEAT 10A
Driver/Passenger Lumbar Support Unit (3/5/7CELL)
POWER
HANDLE 15A
Steering Tilt & Telescopic Unit
IBU1 10AIAU, IBU, BLE Unit, Driver Door Outside Handle, Passenger
Door Outside Handle
POWER
OUTLET 20A
Armrest Power Outlet
P/SEAT DRV2 25A
Driver Power Seat Module
P/SEAT PASS1 25A
Passenger Power Seat Module
S/HEATER DRV 20A
Driver Power Seat Module
S/HEATER PASS 20A
Passenger Power Seat Module
DOOR LOCK 10A
Center Door Lock/Unlock Relay, Driver Door Unlock Relay
SPARE(B+) 10A
Not Used
MODULE6 10AArmrest Lamp, IBU, Low DC-DC Converter(AUX/AMP),
Electronic ATM Shift Lever Dial, Front Tray Lamp, IAU,
BRAKE SWITCH 10A
Stop Lamp Switch, IBU

Maintenance
9-54
Trunk fuse panel (Rear sub junction
block)
ORG3090024
Inside the fuse/relay box cover, you can
find the fuse/relay label describing fuse/
relay names and ratings.
Information
Not all fuse panel descriptions in this
manual may be applicable to your vehicle;
the information is accurate at the time of
printing. When you inspect the fuse panel
in your vehicle, refer to the fuse panel
label.
ORG3090062N

09
9-55
Rear junction block
Fuse NameFuse
Rating Circuit Protected
B+4 50AICU Junction Block(Fuse(P/Seat PASS2, Module4, Sunroof,
Door Lock, Trunk))
B+2 30AICU Junction Block(Fuse(IBU1, E-Shifter1, Spare(B+),
Module5, Air Bag1), IPS2, IPS5)
B+1 50AICU Junction Block(Fuse(Brake Switch)),
IPS1, IPS3, IPS4, IPS7, Long/Short Term Load Latch Relay
B+3 50AICU Junction Block(Fuse(P/Window LH, S/Heater DRV,
S/Heater PASS, P/Seat DRV1, P/Seat DRV2, P/Seat PASS1,
Curtain, Power Handle, P/Seat))
DCU3 20ANot Used
DCU4 10ANot Used
CHILD LOCK 15AChild Lock/Unlock Relay
DCU1 20ANot Used
P/WINDOW RH 30APassenger Power Window Module, Rear Power Window
Module RH
DCU2 20ANot Used
AMP 25ALow DC-DC Converter (AMP)
P/DOOR RR LH 15ARear Door Latch LH
P/DOOR PASS 15APassenger Door Latch
PRESAFETY SEAT BELT1 30A
Pre-Active Seat Belt Unit
P/DOOR RR RH 15ARear Door Latch RH
ECS 15AECS Unit
P/DOOR DRV 15ADriver Door Latch
PRESAFETY SEAT BELT2 30A
Pre-Active Seat Belt Unit
P/SEAT RR 20ANot Used
S/HEATER RR LH 20ARear Seat LH Heater Unit
POWER TRUNK 30APTL Unit (Power Trunk Lid)
S/HEATER RR RH 20ARear Seat RH Heater Unit

Maintenance
9-56
Trunk fuse panel (Battery junction
block)
ORG3090049L
Inside the fuse/relay box cover, you can
find the fuse/relay label describing fuse/
relay names and ratings.
Information
Not all fuse panel descriptions in this
manual may be applicable to your vehicle;
the information is accurate at the time of
printing. When you inspect the fuse panel
in your vehicle, refer to the fuse panel
label.
ORG3090035N

09
9-57
Battery junction block
Fuse NameFuse Rating Circuit Protected
B+5 125A
E/R SUB Junction Block (B+)
B+6 100ARear Junction Block(Fuse(B+1, AMP, P/Window RH, P/Seat
RR, ECS, Presafety Seat Belt1, Child Lock))
B+7 100ARear Junction Block(Fuse(B+3, S/Heater RR LH,
S/Heater RR RH, Power Trunk, P/Door DRV, P/Door PASS))
B+8 100ARear Junction Block(Fuse(B+2, B+4, P/Door RR LH,
P/Door RR RH, Presafety Seat Belt2))
AMS 10A
Battery Sensor
RWS 100A
RWS MODULE