maintenance schedule KIA OPTIMA PHEV 2018 Owner's Manual

825
Maintenance
Changing the engine oil and
filter
Have engine oil and filter changed by
an authorized Kia dealer according
to the Maintenance Schedule at the
beginning of this chapter.
CALIFORNIA PROPO-
SITION 65 WARNING
Engine oil contains chemicals
known to the State of California
to cause cancer, birth defects
and reproductive harm. Used
engine oil may cause irritation or
cancer of the skin if left in con-
tact with the skin for prolonged
periods of time. Always protect
your skin by washing your
hands thoroughly with soap and
warm water as soon as possible
after handling used oil.

Maintenance
30
8
Changing the coolant
Have the coolant changed by an
authorized Kia dealer according to
the Maintenance Schedule at the
beginning of this chapter.
Put a thick cloth around the radiator
cap before refilling the coolant in
order to prevent the coolant from
overflowing into engine parts such as
the alternator.
CAUTION
Put a thick cloth or fabric
around the radiator cap beforerefilling the coolant in order toprevent the coolant from over-flowing into engine parts suchas the generator.
WARNING
Radiator cap
Do not remove the radiator cap
when the engine and radiator
are hot. Scalding hot coolant
and steam may blow out under
pressure which may result in
serious injury.

835
Maintenance
Replace the filter according to the
Maintenance Schedule.
If the vehicle is operated in extreme-ly dusty or sandy areas, replace theelement more often than the usualrecommended intervals. (Refer to“Maintenance under severe usageconditions” in this chapter.)
CAUTION - Air filter
maintenance
Do not drive with the air clean- er removed; this will result inexcessive engine wear.
When removing the air cleaner filter, be careful that dust ordirt does not enter the airintake, or damage may result.
Use a Kia genuine part. Use of a non-genuine part coulddamage the air flow sensor.

Maintenance
36
8
CLIMATE CONTROL AIR FILTER (IF EQUIPPED)
Filter inspection
The climate control air filter should
be replaced according to the
Maintenance Schedule. If the vehicle
is operated in severely air-polluted
cities or on dusty rough roads for a
long period, it should be inspected
more frequently and replaced earlier.
When you replace the climate control
air filter, replace it performing the fol-
lowing procedure, and be careful to
avoid damaging other components.
1. Open the glove box and removethe stoppers on both sides. 2. With the glove box open, pull the
support strap (1).
OJF075014OJF075015

Index
6I
Engine start/stop button . . . . . . . . . . . . . . . . . . . . . . . . . 6-6Illuminated engine start/stop button. . . . . . . . . . . . . . 6-6
Engine start/stop button position . . . . . . . . . . . . . . . . 6-6
Starting the hybrid system . . . . . . . . . . . . . . . . . . . . . 6-8
Engine start/stop button illumination . . . . . . . . . . . . . . . 6-6
Engine start/stop button position . . . . . . . . . . . . . . . . . . 6-6
Engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Evaporative emission control (including ORVR: Onboard Refueling Vapor Recovery) system . . . . . 8-102
Exhaust emission control system . . . . . . . . . . . . . . . . 8-103
Explanation of scheduled maintenance items . . . . . . . 8-20 Engine oil and filter . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
Hybrid starter & generator belt . . . . . . . . . . . . . . . . 8-20
Fuel filter (for gasoline) . . . . . . . . . . . . . . . . . . . . . . 8-20
Fuel lines, fuel hoses and connections . . . . . . . . . . . 8-20
Vapor hose and fuel filler cap . . . . . . . . . . . . . . . . . 8-20
Vacuum crankcase ventilation hoses . . . . . . . . . . . . 8-20
Air cleaner filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Spark plugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Coolant (Engine / Inverter) . . . . . . . . . . . . . . . . . . . 8-21
Automatic transaxle fluid . . . . . . . . . . . . . . . . . . . . . 8-21
Brake hoses and lines . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
Brake discs, pads, calipers and rotors . . . . . . . . . . . 8-22
Exhaust pipe and muffler . . . . . . . . . . . . . . . . . . . . . 8-23
Suspension mounting bolts . . . . . . . . . . . . . . . . . . . 8-23 Steering gear box, linkage & boots/
lower arm ball joint . . . . . . . . . . . . . . . . . . . . . . . . 8-23
Drive shafts and boots . . . . . . . . . . . . . . . . . . . . . . . 8-23
Air conditioning refrigerant . . . . . . . . . . . . . . . . . . . 8-23
Exterior care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-94
Exterior overview (Front) . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Exterior overview (Rear) . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Flat tires, see tire mobility kit. . . . . . . . . . . . . . . . . . . . 7-16
Floor mat anchor(s) . . . . . . . . . . . . . . . . . . . . . . . . . . 4-140
Fluid Checking fluid levels . . . . . . . . . . . . . . . . . . . . . . . . 8-23
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31
Washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32
Folding the outside rearview mirror . . . . . . . . . . . . . . . 4-50
"Front passenger andrear seat 3-point system withcombination locking retractor" . . . . . . . . . . . . . 3-25
Front passenger's seat belt warning . . . . . . . . . . . . . . . 3-23
Front seat adjustment (manual) . . . . . . . . . . . . . . . . . . . 3-7
Front seat adjustment (power) . . . . . . . . . . . . . . . . . . . . 3-8
Front turn signal lamp bulb replacement . . . . . . . . . . . 8-85
Fuel filler lid (Hybrid) . . . . . . . . . . . . . . . . . . . . . . . . . 4-29 Emergency fuel filler lid release . . . . . . . . . . . . . . . 4-32
Fuel filler lid (Plug-in Hybrid) . . . . . . . . . . . . . . . . . . . 4-33 Emergency fuel filler lid release . . . . . . . . . . . . . . . 4-35
Fuel Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55\
F

I9
Index
Light bulb position (Side) . . . . . . . . . . . . . . . . . . . . . . 8-82
Light bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-80\
Bulb replacement precaution . . . . . . . . . . . . . . . . . . 8-80
Light bulb position (Front). . . . . . . . . . . . . . . . . . . . 8-81
Light bulb position (Rear) . . . . . . . . . . . . . . . . . . . . 8-81
Light bulb position (Side) . . . . . . . . . . . . . . . . . . . . 8-82
Headlamp (HID type) bulb replacement(For Hybrid) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-82
Headlamp (Low beam) bulb replacement (For Hybrid) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-83
Headlamp (High beam) bulb replacement (For Hybrid) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-84
Front turn signal lamp bulb replacement . . . . . . . . . 8-85
Position lamp + DRL (LED type) bulb replacement . . 8-86
Side repeater lamp bulb replacement . . . . . . . . . . . . 8-87
Rear turn signal lamp bulb replacement . . . . . . . . . 8-87
Stop and tail lamp (LED type) bulb replacement . . 8-88
Back-up lamp bulb replacement . . . . . . . . . . . . . . . 8-89
License plate lamp bulb replacement. . . . . . . . . . . . 8-90
High mounted stop lamp bulb replacement . . . . . . . 8-90
Map lamp bulb replacement. . . . . . . . . . . . . . . . . . . 8-91
Vanity mirror lamp bulb replacement . . . . . . . . . . . 8-91
Room lamp bulb replacement . . . . . . . . . . . . . . . . . 8-92
Personal lamp bulb replacement . . . . . . . . . . . . . . . 8-92
Glove box lamp bulb replacement . . . . . . . . . . . . . . 8-93
Trunk lamp bulb replacement . . . . . . . . . . . . . . . . . 8-93 Lighting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
4-100
Battery saver function . . . . . . . . . . . . . . . . . . . . . . 4-100
Daytime running light . . . . . . . . . . . . . . . . . . . . . . 4-100
Lighting control . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-100
Parking & Tail light . . . . . . . . . . . . . . . . . . . . . . . . 4-101
Auto light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-101
Headlight position . . . . . . . . . . . . . . . . . . . . . . . . . 4-101
High - beam operation . . . . . . . . . . . . . . . . . . . . . . 4-102
High Beam Assist . . . . . . . . . . . . . . . . . . . . . . . . . . 4-103
Turn signals and lane change signals . . . . . . . . . . . 4-105
Check headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-106
Headlight leveling device . . . . . . . . . . . . . . . . . . . 4-106
AFLS (Adaptive Front Lighting System) . . . . . . . 4-106
Lighting control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-100
Lubricants and capacities . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Luggage volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Maintenance Engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Maintenance services . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Owner maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Scheduled maintenance service . . . . . . . . . . . . . . . . . 8-8
Explanation of scheduled maintenance items . . . . . 8-20
Tire maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-50
M

Index
10I
Maintenance schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8Normal Maintenance Schedule . . . . . . . . . . . . . . . . . 8-9
Maintenance Under Severe Usage Conditions. . . . . 8-19
Maintenance services . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 Owner’s responsibility . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Owner maintenance precautions . . . . . . . . . . . . . . . . 8-5
Manual mode - Automatic transaxle . . . . . . . . . . . . . . 6-14
Map lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11\
1
Map lamp bulb replacement . . . . . . . . . . . . . . . . . . . . . 8-91
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. 4-46 Inside rearview mirror . . . . . . . . . . . . . . . . . . . . . . . 4-46
Day/night rearview mirror . . . . . . . . . . . . . . . . . . . . 4-46
Electrochromic mirror (ECM) . . . . . . . . . . . . . . . . . 4-47
Outside rearview mirror . . . . . . . . . . . . . . . . . . . . . . 4-48
Remote control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48
Folding the outside rearview mirror. . . . . . . . . . . . . 4-50
Occupant Detection System . . . . . . . . . . . . . . . . . . . . . 3-50
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-\
56
Oil (Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24
Online factory authorized manuals . . . . . . . . . . . . . . . . 9-15
Outside rearview mirror . . . . . . . . . . . . . . . . . . . . . . . . 4-48
Outside Temperature Gauge . . . . . . . . . . . . . . . . . . . . . 4-57
Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
7-7
Owner maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 Owner maintenance schedule. . . . . . . . . . . . . . . . . . . 8-6 Panorama sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Sunroof open warning . . . . . . . . . . . . . . . . . . . . . . . 4-37
Sunshade. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38\
Sliding the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38
Tilting the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Closing the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Resetting the sunroof . . . . . . . . . . . . . . . . . . . . . . . . 4-41
Parking & Tail light . . . . . . . . . . . . . . . . . . . . . . . . . . 4-101
Parking brake. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20, 8-33 Checking the parking brake . . . . . . . . . . . . . . . . . . . 8-33
Personal lamp bulb replacement . . . . . . . . . . . . . . . . . . 8-92
Plug-in hybrid mode indicator . . . . . . . . . . . . . . . . . . . 4-55
Position lamp + DRL (LED type) bulb replacement . . 8-86
Power brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Power outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-138
Power window lock button . . . . . . . . . . . . . . . . . . . . . . 4-26
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29\
Pre-tensioner seat belt. . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Rear parking assist system . . . . . . . . . . . . . . . . . . . . . . 4-96 Operation of the rear parking assist system . . . . . . . 4-96
Non-operational conditions of rear parkingassist system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-97
O
P
R

I11
Index
Rear parking assist system precautions . . . . . . . . . . 4-98
Self-diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-98
Rear seat adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Rear turn signal lamp bulb replacement . . . . . . . . . . . . 8-87
Rear view camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-99
Recommended lubricants and capacities . . . . . . . . . . . . 9-6 Recommended SAE viscosity number. . . . . . . . . . . . 9-7
Refrigerant label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
Remote control (outside rear view mirror) . . . . . . . . . . 4-48
Reporting safety defects . . . . . . . . . . . . . . . . . . . . . . . . 9-15
Resetting the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
Road warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Rocking the vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-91
Room lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-110
Room lamp bulb replacement . . . . . . . . . . . . . . . . . . . . 8-92
Rotation (Tire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-47
Scheduled maintenance service . . . . . . . . . . . . . . . . . . . 8-8 Normal Maintenance Schedule . . . . . . . . . . . . . . . . . 8-9
Maintenance Under Severe Usage Conditions. . . . . 8-19
Seat belt restraint system . . . . . . . . . . . . . . . . . . . . . . . 3-21
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
3-21 Seat belt restraint system . . . . . . . . . . . . . . . . . . . . . 3-21
Driver's seat belt warning . . . . . . . . . . . . . . . . . . . . . 3-22
Front passenger's seat belt warning . . . . . . . . . . . . . 3-23 "Front passenger andrear seat 3-point system
withcombination locking retractor" . . . . . . . . . . . . 3-25
Pre-tensioner seat belt . . . . . . . . . . . . . . . . . . . . . . . 3-27
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
Care of seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
Seat warmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-136
Seatback pocket (front) . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . 3-4 Front seat adjustment (manual) . . . . . . . . . . . . . . . . . 3-7
Front seat adjustment (power) . . . . . . . . . . . . . . . . . . 3-8
Driver position memory system . . . . . . . . . . . . . . . . 3-11
Headrest(front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Seatback pocket (front) . . . . . . . . . . . . . . . . . . . . . . 3-15
Rear seat adjustment . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Headrest (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59
Shift-lock override - Automatic transaxle . . . . . . . . . . 6-16
Side air bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61\
Side curtain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-141
Side repeater lamp bulb replacement . . . . . . . . . . . . . . 8-87
Sliding the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38
Smart key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
4-4 Smart key function . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Loss of the smart key . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Smart key precautions . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Battery replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Immobilizer system . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Smart key battery replacement . . . . . . . . . . . . . . . . . . . . 4-8
S