2015 Hyundai Sonata Hybrid cooling

725
Maintenance
Check the condition and connections of
all cooling system hoses and heater
hoses. Replace any swollen or deterio-
rated hoses.
The coolant level should be filled
between F and L marks on the side of the
coolant reservoir when the engine is cool.
If the coolant level is low, add enough
distilled (deionized) water to provide pro-
tection against freezing and corrosion.
Bring the level to F, but do not overfill. If
frequent additions are required, see an
authorized HYUNDAI dealer for a cooling
system inspection.
OYFH071005N
(Continued)
The engine coolant and/or invertercoolant level is influenced by
hybrid system temperature. Before
filling the engine coolant and/or
inverter coolant, turn the hybrid
vehicle off, fill the engine coolant
and/or inverter coolant carefully.
Turn the engine off and wait until it cools down. Use extreme care
when removing the radiator and/or
inverter coolant cap. Wrap a thick
towel around it, and turn it coun-
terclockwise slowly to the first
stop. Step back while the pressure
is released from the cooling sys-
tem. When you are sure all the
pressure has been released, press
down on the cap, using a thick
towel, and continue turning coun-
terclockwise to remove it.
Even if the engine is not operat- ing, do not remove the radiator
and/or inverter coolant cap or the
drain plug while the engine and
radiator are hot. Hot coolant and
steam may still blow out under
pressure, causing serious injury.WARNING
The electric motor
(cooling fan) is con-
trolled by engine
coolant temperature,
refrigerant pressure
and vehicle speed. It may some-
times operate even when the
engine is not running. Use extreme
caution when working near the
blades of the cooling fan so that
you are not injured by the rotating
fan blades. As the engine coolant
temperature decreases, the electric
motor will automatically shut off.
This is a normal condition.

Maintenance
54
7
Multi fuse
If the multi fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Remove the fuse panel on the right
side in the engine compartment.
4. Remove the nuts shown in the picture above.
5. Replace the fuse with a new one of the same rating.
6. Reinstall in the reverse order of removal.
✽ ✽NOTICE
If the multi fuse is blown, consult an
authorized HYUNDAI dealer.
Oil pump cooling fuse/
Cooling fan fuse
If the oil pump cooling fuse or cooling fan
fuse is blown, it must be removed as fol-
lows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Remove the fuse panel on the right side in the engine compartment.
4. Replace the fuse with a new one of the same rating.
5. Reinstall in the reverse order of removal.
Sub-relay fuse
If the sub-relay fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Replace the fuse with a new one of thesame rating.
4. Reinstall in the reverse order of removal.
OYFH071088NOYFH071089NOYFH071072N

I3
Index
Brakes fluid··················\
··················\
·············· ·7-27
Bulb replacement ··················\
··················\
······· ·7-61
Bulb wattage ··················\
··················\
··············8-3
Button start/stop, see engine start/stop button ············5-5
California perchlorate notice ··················\
·············7-80
Camera (Rear view) ··················\
··················\
···· ·4-70
Capacities (Lubricants) ··················\
··················\
··8-5
Capacity/Weight ··················\
··················\
··········8-2
Care Exterior care ··················\
··················\
········· ·7-71
Interior care ··················\
··················\
·········· ·7-75
Tire care ··················\
··················\
·············· ·7-37
Cargo weight ··················\
··················\
············ ·5-43
Center console storage ··················\
··················\
·4-119
Central door lock switch ··················\
················· ·4-12
Certification label ··················\
··················\
······· ·5-41
Certification label ··················\
··················\
·········8-7
Chains Tire chains ··················\
··················\
············ ·5-35
Changing tires (with spare tire) ··················\
··········6-15
Checking tire inflation pressure ··················\
·········7-38
Child restraint system ··················\
··················\
·· ·3-27
Lower anchor system ··················\
················· ·3-33
Seat belt ··················\
··················\
··············· ·3-29
Tether anchor system ··················\
················· ·3-31Child-protector rear door lock
··················\
···········4-14
Climate control air filter ············4-93, 4-104, 4-115, 7-30
Clock (Digital) ··················\
··················\
········· ·4-123
Clothes hanger ··················\
··················\
········· ·4-123
Combined instrument, see instrument cluster ···········4-40
Compact spare tire (with spare tire) ··················\
·····6-15
Compact spare tire replacement ··················\
·········7-42
Components of the tire mobility kit ··················\
·····6-24
Consumer information ··················\
··················\
··· ·8-9
Coolant ··················\
··················\
··················\
· ·7-24
Cooling fluid, see engine coolant ··················\
·······7-24
Crankcase emission control system ··················\
·····7-77
Cruise control system ··················\
··················\
·· ·5-24
Cup holder ··················\
··················\
··············4-121
Curtain air bag ··················\
··················\
·········· ·3-53
Dashboard illumination,
see instrument panel illumination··················\
···· ·4-41
Dashboard, see instrument cluster ··················\
·······4-40
Defogging (Windshield) ··················\
················ ·4-116
Defogging logic (Windshield) ··················\
··········4-117
Defroster (Rear window) ··················\
················ ·4-81
Defrosting (Windshield) ··················\
················ ·4-116
Digital clock ··················\
··················\
··········· ·4-123
Dimensions ··················\
··················\
·················8-3
Display illumination, see instrument panel illumination · 4-41
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