
447
Features of your vehicle
Electric power steering (EPS)
The power steering uses a motor to
assist you in steering the vehicle. If
the engine is off or if the power steer-
ing system becomes inoperative, the
vehicle may still be steered, but it will
require increased steering effort.
The motor driven power steering is
controlled by a power steering con-
trol unit which senses the steering
wheel torque and vehicle speed to
command the motor.
The steering becomes heavier as the
vehicle’s speed increases and
becomes lighter as the vehicle’s
speed decreases for optimum steer-
ing control.
Should you notice any change in the
effort required to steer during normal
vehicle operation, have the power
steering checked by an authorized
Kia dealer. If the Electric Power Steering
System does not operate normally,
the warning light will illuminate on
the instrument cluster. The steering
wheel may require increased
steering effort. Take your vehicle to
an authorized Kia dealer and have
the vehicle checked as soon as
possible.
When you operate the steering wheel in low temperature, noise
may occur. If temperature rises, the
noise will likely disappear. This is a
normal condition.
When the vehicle is stationary, and the steering wheel is turned all the
way to the left or right continuous-
ly, the steering wheel becomes
harder to turn. The power assist is
limited to protect the motor from
overheating.
As time passes, the steering wheel
will return to its normal condition.
✽ ✽ NOTICE
The following symptoms may occur
during normal vehicle operation:
• The EPS warning light does not
illuminate.
• The steering gets heavy immedi- ately after turning the ignition
switch on. This happens as the sys-
tem performs the EPS system
diagnostics. When the diagnostics
are completed, the steering wheel
will return to its normal condition.
• A click noise may be heard from the EPS relay after the ignition
switch is turned to the ON or
LOCK (OFF) position.
• A motor noise may be heard when the vehicle is at a stop or at a low
driving speed.
• If the Electric Power Steering System does not operate normally,
the warning light will illuminate on
the instrument cluster. The steer-
ing wheel may become difficult to
control or operate abnormally.
Take your vehicle to an authorized
Kia dealer and have the vehicle
checked as soon as possible. (Continued)
STEERING WHEEL
JF CAN (ENG) 4.qxp 2016-09-21 11:14 Page 47

621
Driving your vehicle
The Dual Clutch Transmission givesthe driving feel of a manual transmis-
sion, yet provides the ease of a fully
automatic transmission. Unlike a tra-
ditional automatic transmission, the
gear shifting can be felt (and heard)
on the dual clutch transmission
- Think of it as an automatically shift-ing manual transmission.
- Shift into Drive range and get fully automatic shifting, similar to a con-
ventional automatic transmission.
Dual clutch transmission adopts dry- type dual clutch, which is different
from the torque converter of an auto-
matic transmission, and shows bet-
ter acceleration performance during
driving. But, initial launch from a stop
might be little bit slower than with an
Automatic Transmission. The dry-type clutch transfers torque
and provides a direct driving feeling
which may feel different from a con-
ventional automatic transmission
with a torque converter. This may be
more noticeable when starting from
a stop or low vehicle speed.
When rapidly accelerating at low vehicle speed, engine could rev at
higher rpm than with a comparable
Automatic Transmission.
For smooth launch uphill, press down the accelerator pedal smooth-
ly depending on the current condi-
tions.
If you release your foot from the accelerator pedal at a low vehicle
speed, you may feel strong engine
brake, which is similar to a manual
transmission.
When driving downhill, you may use Sports Mode and press the paddle
shifters to downshift to a lower gear
in order to control your speed without
using the brake pedal excessively. When you turn the engine on and off,
you may hear clicking sounds as the
system goes through a self test. This
is a normal sound for the Dual Clutch
Transmission.
To hold the vehicle on a hill use the foot brake or the parking brake. If
the vehicle is held by applying the
accelerator pedal on a hill the
clutch and transmission will be
overheated resulting in damage.
At this time, a warning message
will appear on the LCD display and
you may feel a vibration.
(Continued)
Do not use engine braking(shifting from a high gear to
lower gear) rapidly on slip-
pery roads. The vehicle may
slip causing an accident.
■ Type A
OJF055110L/OJF055111L■
Type B
JF CAN (ENG) 6.qxp 2016-09-21 11:24 Page 21

Driving your vehicle
84
6
ECO mode (Active ECO)
Active ECO helps improve
fuel efficiency by control-
ling certain engine and
transaxle system operat-
ing parameters. Fuel effi-
ciency depends on the
driver's driving habit and
road condition.
button is pressed and
the ECO mode is select-
ed, the ECO indicator
(green) will illuminate to
show that the Active
ECO is operating.
activated, it does not
turn off even though the
engine is restarted
again. To turn off the
system, press the
DRIVE MODE button
again. When Active ECO is activated:
The acceleration may slightly be
reduced even though you depress
the accelerator fully.
The air conditioner performance may be limited
The shift pattern of the automatic transaxle may change.
The engine noise may get louder.
The above situations are normal
conditions when the Active Eco
System is activated to improve fuel
efficiency. Limitation of Active ECO opera-
tion:
If the following conditions occur while
Active ECO is operating, the system
operation is limited even though
there is no change in the ECO indi-
cator.
When the coolant temperature is
low:
The system will be limited until
engine performance becomes nor-
mal.
When driving up a hill: The system will be limited to gain
power when driving uphill because
the engine torque is restricted.
When using manual mode: The system will be limited accord-
ing to the shift location.
When the accelerator pedal is deeply depressed for a few sec-
onds:
The system will be limited, judging
that the driver wants to speed up.
ECO
JF CAN (ENG) 6.qxp 2016-09-21 11:27 Page 84

What to do in an emergency
20
7
Position the wrench as shown in the
drawing and tighten the wheel nuts.
Be sure the socket is seated com-
pletely over the nut. Do not stand on
the wrench handle or use an exten-
sion pipe over the wrench handle. Go
around the wheel, tightening every
nut following the numerical sequence
shown in the image until they are all
tight. Double-check each nut for
tightness. After changing wheels,
have an authorized Kia dealer tight-
en the wheel nuts to their proper
torque as soon as possible.
Wheel nut tightening torque:
11~13 kgf·m (79~94 lbf·ft) If you have a tire gauge, remove the
valve cap and check the air pressure.
If the pressure is lower than recom-
mended, drive slowly to the nearest
service station and inflate to the cor-
rect pressure. If it is too high, adjust
it until it is correct. Always reinstall
the valve cap after checking or
adjusting the tire pressure. If the cap
is not replaced, dust and dirt may get
into the tire valve and air may leak
from the tire. If you lose a valve cap,
buy another and install it as soon as
possible.
After you have changed the wheels,
always secure the flat tire in its place
and return the jack and tools to their
proper storage locations.
Note that most lug nuts do not have
metric threads. Be sure to use
extreme care in checking for thread
style before installing aftermarket lug
nuts or wheels. If in doubt, consult an
authorized Kia dealer.
CAUTION- Reusing lug
nuts
Make certain during wheelremoval that the same nuts thatwere removed are reinstalled -or, if replaced, that nuts withmetric threads and the samechamfer configuration are used.Your vehicle has metric threadson the wheel studs and nuts.Installation of a non-metricthread nut on a metric stud willnot secure the wheel to the hubproperly and will damage thestud so that it must be replaced.
OJF065009
JF CAN (ENG) 7.qxp 8/25/2016 5:23 PM Page 20

Maintenance
26
8
Brake discs, pads, calipers
and rotors
Check the pads for excessive wear,
discs for run out and wear, and
calipers for fluid leakage.
Exhaust pipe and muffler
Visually inspect the exhaust pipes,
muffler and hangers for cracks, dete-
rioration, or damage. Start the
engine and listen carefully for any
exhaust gas leakage. Tighten con-
nections or replace parts as neces-
sary.
Suspension mounting bolts
Check the suspension connections
for looseness or damage. Retighten
to the specified torque.
Steering gear box, linkage &
boots/lower arm ball joint
With the vehicle stopped and engine
off, check for excessive free-play in
the steering wheel.
Check the linkage for bends or dam-
age. Check the dust boots and ball
joints for deterioration, cracks, or
damage. Replace any damaged
parts.
Drive shafts and boots
Check the drive shafts, boots and
clamps for cracks, deterioration, or
damage. Replace any damaged
parts and, if necessary, repack the
grease.
Air conditioning refrigerant
Check the air conditioning lines and
connections for leakage and dam-
age.
JF CAN (ENG) 8.qxp 2016-09-23 10:23 Page 26

865
Maintenance
Multi fuse
If the multi fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative batterycable.
3. Remove the nuts shown in the pic- ture above.
4. Replace the fuse with a new one of the same rating.
5. Reverse these steps to reinstall the multi fuse.
✽ ✽NOTICE
Do not disassemble nor assemble the
multi fuse when it is secured with
nuts and bolts. Incorrect or partial
assembly torque may cause a fire.
Have the vehicle checked by an
authorized Kia dealer.
Main fuse
If the main fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery
cable.
3. Remove the nuts shown in the pic- ture above.
4. Replace the fuse with a new one of the same rating.
5. Reverse these steps to reinstall the main fuse.
OJF075072OJF075026
JF CAN (ENG) 8.qxp 2016-09-23 10:24 Page 65
![KIA OPTIMA 2017 Owners Manual 95
Specifications & Consumer information
TIRES AND WHEELS
ItemTire sizeWheel size
Load
CapacitySpeed
capacityInflation pressure kPa (psi)Wheel lug
nut torque [Kgf·m
(lbf·ft, N·m)]
Normal load *3Ma KIA OPTIMA 2017 Owners Manual 95
Specifications & Consumer information
TIRES AND WHEELS
ItemTire sizeWheel size
Load
CapacitySpeed
capacityInflation pressure kPa (psi)Wheel lug
nut torque [Kgf·m
(lbf·ft, N·m)]
Normal load *3Ma](/manual-img/2/40406/w960_40406-611.png)
95
Specifications & Consumer information
TIRES AND WHEELS
ItemTire sizeWheel size
Load
CapacitySpeed
capacityInflation pressure kPa (psi)Wheel lug
nut torque [Kgf·m
(lbf·ft, N·m)]
Normal load *3Maximum load
LI *1KgSS *2Km/hFront RearFront Rear
Full size tire
205/65 R166.5J × 1695690H210235 (34)235 (34)235 (34)235 (34)
11~13
(79~94,
107~127)215/55 R177.0J × 1794670V240235 (34)235 (34)235 (34)235 (34)
235/45 R187.5J × 1894670V240235 (34)235 (34)235 (34)235 (34)
Compact
spare tire
(if equipped)T125/80 D164.0T × 1697730M130420 (60)420 (60)420 (60)420 (60)
T135/80 D174.0T × 17103875M130420 (60)420 (60)420 (60)420 (60)
CAUTION
When replacing tires, use the same size originally supplied with the vehicle.
Using tires of a different size can damage the related parts or make them work irregularly.
*1: Load Index *2: Speed Symbol *3: Normal load : Up to 3 persons
✽ ✽ NOTICE
• It is permissible to add 21 kPa (3 psi) to the standard tire pressure specification if colder temperatures are expect-
ed soon.
Tires typically loose 7 kPa (1 psi) for every -11°C (12°F) temperature drop. If extreme temperature variations are
expected, re-check your tire pressure as necessary to keep them properly inflated.
• We recommend that when replacing tires, use the same originally supplied with the vehicles. If not, that aff\
ects driving performance.
• When driving in high altitude grades, it is natural for the atmospheric pressure to decrease. Therefore, please check the tire pressure and add more air when necessary.
Additionally required tire air pressure per km above sea level: 10 kPa (1.5 psi/km)
JF CAN (ENG) 9.qxp 8/29/2016 6:20 PM Page 5