2017 KIA OPTIMA PLUG-IN HYBRID water pump

BRAKE SYSTEM
Power brakes
Your vehicle has power-assisted brakes
that adjust automatically through nor‐ mal usage.
If the hybrid system is not on or is
turned off while driving, the power as‐
sist for the brakes will not work. You can still stop your vehicle by applying
greater force to the brake pedal than
typical. The stopping distance, however,will be longer than with power brakes.
When the hybrid system is not on, the reserve brake power is partially deple‐
ted each time the brake pedal is ap‐
plied. Do not pump the brake pedal when the power assist has been inter‐
rupted.
Pump the brake pedal only when nec‐
essary to maintain steering control on slippery surfaces.
WARNING
nBrakes
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•Do not drive with your foot restingon the brake pedal. This will createabnormal high brake tempera‐tures, excessive brake lining andpad wear, and increased stoppingdistances.
•When descending a long or steephill, shift to a lower gear and avoidcontinuous application of thebrakes. Continuous brake applica‐tion will cause the brakes to over‐heat and could result in a tempo‐rary loss of braking performance.
•Wet brakes may impair the vehi‐cle’s ability to safely slow down;the vehicle may also pull to oneside when the brakes are applied.Applying the brakes lightly will in‐dicate whether they have been af‐fected in this way.Always test your brakes in thisfashion after driving through deepwater. To dry the brakes, applythem lightly while maintaining asafe forward speed until brakeperformance returns to normal.
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•Always confirm the position of thebrake and accelerator pedal beforedriving. If you don’t check the posi‐tion of the accelerator and brakepedal before driving, you may de‐press the accelerator instead ofthe brake pedal. It may cause a se‐rious accident.
NOTICE
Do not depress the brake pedal con‐
tinuously without the "" indicator
ON. The battery may be discharged.
Disc brakes wear indicator
When your brake pads are worn and
new pads are required, you will hear a high-pitched warning sound from your
front brakes or rear brakes (if equip‐
ped). You may hear this sound come and go or it may occur whenever you
depress the brake pedal.

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7
Driving your vehicle

SPECIAL DRIVING CONDITIONS
Hazardous driving conditions
When hazardous driving conditions are
encountered such as water, snow, ice, mud, sand, or similar hazards, follow
these suggestions: • Drive cautiously and allow extra dis‐ tance for braking.
• Avoid sudden braking or steering.
• When braking with non-ABS brakes pump the brake pedal with a light up-
and-down motion until the vehicle is stopped.
WARNING
nABS
Do not pump the brake pedal on avehicle equipped with ABS.
• If stalled in snow, mud, or sand, use second gear. Accelerate slowly to
avoid spinning the drive wheels.
• Use sand, rock salt, tire chains, or other non-slip material under the
drive wheels to provide traction when
stalled in ice, snow, or mud.
WARNING
nDownshifting
Downshifting with an automatictransaxle, while driving on slipperysurfaces can cause an accident. Thesudden change in tire speed couldcause the tires to skid. Be carefulwhen downshifting on slippery sur‐faces.
Rocking the vehicle
If it is necessary to rock the vehicle to
free it from snow, sand, or mud, first turn the steering wheel right and left
to clear the area around your front
wheels. Then, shift back and forth be‐ tween 1 (First) and R (Reverse) in vehi‐
cles equipped with a manual transaxle
or R (Reverse) and any forward gear in vehicles equipped with an Automatic
Transaxle / Dual clutch transmission. Do
not race the engine, and spin the wheels as little as possible. If you are
still stuck after a few tries, have the
vehicle pulled out by a tow vehicle to
avoid engine overheating and possible
damage to the transaxle.
CAUTION
Prolonged rocking may cause engineover-heating, transaxle damage orfailure, and tire damage.
WARNING
nSpinning tires
Do not spin the wheels, especially atspeeds more than 56 km/h(35 mph). Spinning the wheels athigh speeds when the vehicle is sta‐tionary could cause a tire to over‐heat which could result in tire dam‐age that may injure bystanders.
NOTICE
The ESC system should be turned
OFF prior to rocking the vehicle.

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7
Driving your vehicle

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•Drive carefully and avoid bumps,holes, sharp turns, and other roadhazards, which may cause the ve‐hicle to bounce.
•Avoid sharp turns or locked wheelbraking.
CAUTION
•Chains that are the wrong size orimproperly installed can damageyour vehicle's brake lines, suspen‐sion, body and wheels.
•Stop driving and retighten thechains any time you hear themhitting the vehicle.
Use high quality ethylene glycol
coolant
Your vehicle is delivered with high quali‐ty ethylene glycol coolant in the cooling
system. It is the only type of coolant
that should be used because it helps prevent corrosion in the cooling sys‐
tem, lubricates the water pump and
prevents freezing. Be sure to replace or replenish your coolant in accordance
with the L

IF THE ENGINE OVERHEATS
If your temperature gauge indicates
overheating, you will experience a loss of power, or hear loud pinging or knock‐
ing, the engine is probably too hot. If
this happens, you should: 1. Turn on the emergency warning flasher and stop in a safe place.
Move the shift lever to P (Park) and
engage the parking brake.
2. If hot steam does not come out from the engine room, carefullyopen the engine room and check
whether the water pump connector
is properly engaged. If the connec‐
tor is not properly engaged, stop
the engine immediately and prop‐
erly engage the connector. Then,
turn the engine on.
3. Turn on the air conditioner.
4. If the L

COOLANT
The high-pressure cooling system has
a reservoir filled with year round anti‐
freeze 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 be‐ fore traveling to a colder climate.
CAUTION
•When the engine overheats fromlow engine coolant, suddenly add‐ing engine coolant may causecracks in the engine. To preventdamage, add engine coolant slowlyin small quantities.
•Do not drive with no engine cool‐ant. It may cause water pump fail‐ure and engine seizure, etc.
Checking the coolant level
WARNING
nRemoving radiator cap
•Never attempt to remove the radi‐ator cap while the engine is oper‐ating or hot. Doing so might leadto cooling system and engine dam‐age. Also, hot coolant or steamcould cause serious personal in‐jury.
•Turn the engine off and wait untilit cools down. Use extreme carewhen removing the radiator cap.Wrap a thick towel around it, andturn it counterclockwise slowly tothe first stop. Step back while thepressure is released from the cool‐ing system.When you are sure all the pressurehas been released, press down onthe cap, using a thick towel, andcontinue turning counterclockwiseto remove it.
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•Even if the engine is not operating,do not remove the radiator cap orthe drain plug while the engine andradiator are hot. Hot coolant andsteam may still blow out underpressure, causing serious injury.
The engine coolant and/or inverter
coolant level is influenced by the hybrid system temperature. Before checking
or refilling the engine coolant and/or in‐
verter coolant, turn the hybrid vehicle off.
WARNING
The electric motor (cool‐ing fan) is controlled byengine coolant tempera‐ture, refrigerant pressureand vehicle speed. It maysometimes operate evenwhen the engine is notrunning.
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Maintenance
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Fuse NameSymbolFuse rat‐ingCircuit Protected
IG1
25A PCB Block (Fuse - OPCU2/ELECTRICAL WATER PUMP/TCU2/ACTIVE HYDRAULIC
BOOTER 3/HEV ECU2/ECU3)
MODULE 9
10A Smart Key Control Module
WASHER
15A Multifunction Switch (Wiper Low & Washer Switch)
MODULE 8
10A Driver/Passenger Door Module
CLUSTER
10A Instrument Cluster
MULTI MEDIA
15A Audio, A/V & Navigation Head Unit, Keyboard
HTD STRG
15A BCM (Steering Wheel Heated)
MODULE 1
10A Console Switch, Active Air Flap Unit, Gateway, Driver/Passenger Door Module
DR LOCK
20A Door Lock Relay, Door Unlock Relay, ICM Relay Box (Dead Lock Relay)
MEMORY 2
10A Siren Control Module, Ultrasonic Intrusion Protection Sensor
SMART KEY
15A Smart Key Control Module
A/BAG IND
10A Instrument Cluster (Air Bag IND. Power)
TRUNK
10A Trunk Lid Relay, Fuel Filler & Trunk Open Switch, ICM Relay Box (Fuel Filler Open Relay)
SUNROOF 2
20A Sunroof Control Unit (Roller)
BATTERY MANAGE‐ MENT
BATTERY
MANAGEMENT20A BMS Control Module
MEMORY 1
10A Instrument Cluster, A/C Control Module, Data Link Connector, BCM, Wireless
Charger, Driver IMS Module, Rain Sensor, ICM Relay Box (Outside Mirror Fold‐
ing/Unfolding Mirror Relay), Security Indicator, Auto Light & Photo Sensor,
Driver/Passenger Door Module


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Maintenance

Engine room compartment fuse panel
Fuse NameSymbolFuse ratingCircuit Protected
MULTI FUSE MDPS 1
80A MDPS Unit (Column)
COOLING FAN
60A RLY. 2 (Cooling Fan Relay)
B+5
50A PCB Block (Engine Control Relay, Fuse -FUEL
PUMP/ECU2/TCU1/HORN/WIPER1/BATTERY C/FAN)
B+3
50A Smart Junction Block (IPS 2 (IPS 5), IPS 3 (IPS 6), IPS 7, IPS 8)
REAR HEATED
50A RLY. 11 (Rear Heated Relay)
ACTIVE HYDRAULIC BOOSTER 2
2ACTIVE
HYDRAULIC BOOSTER40A Integrated Brake Actuation Unit
BLOWER
40A RLY. 4 (Blower Relay)
POWER OUTLET1
40A RLY. 7 (Power Outlet Relay)
IG2
30A PCB Block (IG2 Relay)
B+1
60A Smart Junction Block (Fuse - TRUNK, SUNROOF2, S/HEATER
REAR, SUNROOF1, P/WDW RH, P/SEAT PASS, P/WDW LH, P/SEAT
DRV)
EEWP
EEWP60A Engine Electric Water Pump
B+2
60A Smart Junction Block (IPS 1, IPS 4, Fuse - FOG LAMP REAR, S/
HEATER FRONT, AMP)
ACTIVE HYDRAULIC BOOSTER 1
ACTIVE
HYDRAULIC
BOOSTER140A Integrated Brake Actuation Unit
IG1
40A PCB Block (IG1/ACC Relay)

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9
Maintenance

Fuse NameSymbolFuse ratingCircuit Protected
FUSE EPB1
130A Electric Parking Brake Module
H/Lamp Washer
30A RLY. 9 (H/Lamp Washer Relay)
B+4
40A Smart Junction Block (Leak Current Autocut Device Fuse - INTERI‐
OR LAMP, MULTI MEDIA, MEMORY2, MEMORY1, Fuse - MODULE1,
DR LOCK, SMART KEY, BRAKE SWITCH)
EPB 2
230A Electric Parking Brake Module
OPCU 1
OPCU120A Electric Oil Pump Unit
DEICER
20A RLY. 10 (Deicer Relay)
AMS
10A Battery Sensor
HEATED MIRROR
10A A/C Control Module, Driver/Passenger Power Outside Mirror
WIPER 2
210A BCM, PCM
H/LAMP HI
20A Not used
HEV ECU 1
HEV
ECU110A HPCU
OPCU2
OPCU110A Electric Oil Pump Unit
ELECTRICAL WATER PUMP
ELECTRICALWATERPUMP10A Electric Water Pump (HEV)
FUEL PUMP
20A Fuel Pump Relay
Maintenance
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