2018 KIA OPTIMA PHEV battery

Driving your vehicle
86
✽
✽

NOTICE
If you leave the ENGINE START/
STOP button in the ACC or ON
position for a long time, the battery
will discharge.
Starting the hybrid system✽ ✽ NOTICE
• The hybrid system will start by
pressing the Engine Start/Stop
button, only when the smart key is
in the vehicle.
• Even when the smart key is in the vehicle, and when it is far away
from the driver, the hybrid system
may not start.
• When the Engine Start/Stop but- ton is in the ACC or ON position,
any door is open, the system
checks for the smart key. When
the smart key is not in the vehicle,
the " " indicator will blink and
the warning "Key not in vehicle"
will come on. When all doors are
closed, the chime will also sound
for about 5 seconds. Keep the
smart key in the vehicle when in
the ACC position or if the hybrid
system is ON.
WARNING- Starting
vehicle
Never press the ENGINE
START/STOP button while the
vehicle is in motion except in an
emergency. This would result in
loss of directional control and
braking function, which could
cause an accident.
WARNING
• Always wear appropriate shoes when operating your
vehicle. Unsuitable shoes,
such as high heels, ski boots,
sandals, flip-flops, etc., may
interfere with your ability to
use the brake and accelerator
pedals.
Do not start the vehicle with the accelerator pedal depressed.
The vehicle can move and
lead to an accident.

Driving your vehicle
10
6
If the battery is weak or the smart
key does not work correctly, you
can start the hybrid system by
pressing the engine start/stop but-
ton with the smart key.
The side with the lock button
should contact the engine
start/stop button directly.
When you press the engine
start/stop button directly with the
smart key, the smart key should
contact the button at a right angle. When the stop lamp fuse is blown,
you can't start the hybrid system
normally. Replace the fuse with a
new one. If it is not possible, you can
start the hybrid system by pressing
the ENGINE START/STOP button
for 10 seconds while it is in the ACC
position. The engine can start with-
out depressing the brake pedal. But
for your safety always depress the
brake pedal before starting the
hybrid system.
Do not press the ENGINE START/
STOP button for more than 10 sec-
onds except when the stop lamp fuse
is blown.
WARNING - Unintended
vehicle movement
Never leave the smart key in the
vehicle with children or vehicle
occupants who are unfamiliar
with the vehicle operation.
Pushing the ENGINE
START/STOP button while the
smart key is in the vehicle may
result in unintended engine
activation and/or unintended
vehicle movement.
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611
Driving your vehicle
Automatic transaxle operation
The automatic transaxle has 6 for-
ward speeds and one reverse speed.
The individual speeds are selected
automatically, depending on the
position of the shift lever.
✽ ✽NOTICE
The first few shifts on a new vehicle,
if the battery has been disconnected,
may be somewhat abrupt. This is a
normal condition, and the shifting
sequence will adjust after shifts are
cycled a few times by the TCM
(Transaxle Control Module) or
PCM (Powertrain Control Module).
AUTOMATIC TRANSAXLE
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+
+
+
+




(
(
(
(
U
U
U
U
P
P
P
P
)
)
)
)
-
-
-
-




(
(
(
(
D
D
D
D
O
O
O
O
W
W
W
W
N
N
N
N
)
)
)
)
The shift lever can be shifted freely. Press the lock release button when shifting. Depress the brake pedal and the lock release button when shifting.

Driving your vehicle
18
6
Power brakes
Your vehicle has power-assisted
brakes that adjust automatically
through normal usage.
If the hybrid system is not on or is
turned off while driving, the power
assist for the brakes will not work.
You can still stop your vehicle by
applying greater force to the brake
pedal than typical. The stopping dis-
tance, however, will be longer than
with power brakes.
When the hybrid system is not on,
the reserve brake power is partially
depleted each time the brake pedal
is applied. Do not pump the brake
pedal when the power assist has
been interrupted.
Pump the brake pedal only when
necessary to maintain steering con-
trol on slippery surfaces. Wet brakes may impair the vehicle’s
ability to safely slow down; the vehi-
cle may also pull to one side when
the brakes are applied. Applying the
brakes lightly will indicate whether
they have been affected in this way.
Always test your brakes in this fash-
ion after driving through deep water.
To dry the brakes, apply them lightly
while maintaining a safe forward
speed until brake performance
returns to normal.
✽ ✽
NOTICE
Do not depress the brake pedal con-
tinuously without the " " indica-
tor ON. The battery may be dis-
charged.
BRAKE SYSTEM
WARNING- Steep hill
braking
Avoid continuous application of
the brakes when descending a
long or steep hill by shifting to a
lower gear. Continuous brake
application will cause the
brakes to overheat and could
result in a temporary loss of
braking performance.
WARNING- HEV driving down hill
Do not turn off the Hybrid sys-
tem while going down a hill. The
brake booster may not work
sufficiently and the braking dis-
tance may be longer.
CAUTION- Brake Pedal
Do not drive with your foot rest- ing on the brake pedal. This willcreate abnormally high braketemperatures which can causeexcessive brake lining and padwear.

633
Driving your vehicle
Even with the anti-lock brake sys-tem, your vehicle still requires suf-
ficient stopping distance. Always
maintain a safe distance from the
vehicle in front of you.
Always slow down when cornering. The anti-lock brake system cannot
prevent accidents resulting from
excessive speeds.
On loose or uneven road surfaces, operation of the anti-lock brake
system may result in a longer stop-
ping distance than for vehicles
equipped with a conventional
brake system. The ABS warning light will stay on for
approximately 3 seconds after the
engine start/stop button is ON.
During that time, the ABS will go
through self-diagnosis and the light
will go off if everything is normal. If
the light stays on, you may have a
problem with your ABS. Contact an
authorized Kia dealer as soon as
possible. When you drive on a road having
poor traction, such as an icy road,
and have operated your brakes
continuously, the ABS will be active
continuously and the ABS warning
light may illuminate. Pull your vehi-
cle over to a safe place and stop
the engine.
Restart the engine. If the ABS warning light goes off, then your
ABS system is normal. Otherwise,
you may have a problem with the
ABS. Contact an authorized Kia
dealer as soon as possible.
✽ ✽ NOTICE
When you jump start your vehicle
because of a drained battery, the
engine may not run as smoothly and
the ABS warning light may turn on at
the same time. This happens because
of low battery voltage. It does not
mean your ABS has malfunctioned.
• Do not pump your brakes!
• Have the battery recharged before
driving the vehicle.
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697
Driving your vehicle
The use of chains may adverselyaffect vehicle handling.
Do not exceed 20 mph (30 km/h) or the chain manufacturer’s recom-
mended speed limit, whichever is
lower.
Drive carefully and avoid bumps, holes, sharp turns, and other road
hazards, which may cause the
vehicle to bounce.
Avoid sharp turns or locked-wheel braking.Use high quality ethylene gly-
col coolant
Your vehicle is delivered with high
quality 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 cool-
ing system, lubricates the water
pump and prevents freezing. Be sure
to replace or replenish your coolant
in accordance with the maintenance
schedule in chapter 8. Before winter,
have your coolant tested to assure
that its freezing point is sufficient for
the temperatures anticipated during
the winter.
Check battery and cables
Winter puts additional burdens on
the battery system. Visually inspect
the battery and cables as described
in chapter 8. The level of charge in
your battery can be checked by an
authorized Kia dealer or a service
station.
Change to "winter weight" oil
if necessary
In some climates it is recommended
that a lower viscosity "winter weight"
oil be used during cold weather. See
chapter 9 for recommendations. If
you aren't sure what weight oil you
should use, consult an authorized
Kia dealer.
Check spark plugs and ignition
system
Inspect your spark plugs as
described in chapter 8 and replace
them if necessary. Also check all
ignition wiring and components to be
sure they are not cracked, worn or
damaged in any way.CAUTION- Snow chains
Chains that are the wrong size or improperly installed candamage your vehicle's brakelines, suspension, body andwheels.
Stop driving and retighten the chains any time you hear themhitting the vehicle.

What to do in an emergency
47
IF THE ENGINE WILL NOT START
If engine doesn't turn over or
turns over slowly
1. If your vehicle has an automatictransaxle, be sure the shift lever is
in N (Neutral) or P (Park) and the
emergency brake is set.
2. Check the battery connections to be sure they are clean and tight.
3. Turn on the interior light. If the light dims or goes out when you oper-
ate the starter, the battery is dis-
charged.
4. Check the starter connections to be sure they are securely tight-
ened.
5. Do not push or pull the vehicle to start it. See instructions for "Jump
starting".
If engine turns over normally
but does not start
1. Check the fuel level.
2. With the ignition switch in theLOCK position, check all connec-
tors at the ignition coils and spark
plugs. Reconnect any that may be
disconnected or loose.
3. Check the fuel line in the engine compartment.
4. If the engine still does not start, call an authorized Kia dealer or
seek other qualified assistance.
WARNING - Push/
pull start
Do not push or pull the vehicle
to start it. Push or pull starting
may cause the catalytic con-
verter to overload and create a
fire hazard.

75
What to do in an emergency
EMERGENCY STARTING
Connect cables in numerical order
and disconnect in reverse order.
❈(A) : Jumper Cables
(B) : Booster battery
(C) : Discharged battery
Jump starting
Jump starting can be dangerous if
done incorrectly. Therefore, to avoid
harm to yourself or damage to your
vehicle or battery, follow these jump
starting procedures. If in doubt, we
strongly recommend that you have a
competent technician or towing serv-
ice jump start your vehicle.
CAUTION - Push/pull start
to 12 Volt Battery
Use only a 12-volt jumper sys- tem. You can damage a 12-voltstarting motor, ignition system,and other electrical partsbeyond repair by use of a 24-volt power supply (either two12-volt batteries in series or a24-volt motor generator set).
WARNING- Battery
Never attempt to check the elec-
trolyte level of the battery as
this may cause the battery to
rupture or explode.
WARNING- Frozen batteries
Do not attempt to jump start the
vehicle if the discharged battery
is frozen or if the electrolyte
level is low as the battery may
rupture or explode.
WARNING- Sulfuric acid risk
When jump starting your vehi-
cle, be careful not to get acid on
yourself, your clothing or on the
vehicle. Automobile batteries
contain sulfuric acid. This is poi-
sonous and highly corrosive.
WARNING- Battery
Keep all flames or sparks away
from the battery. The battery
produces hydrogen gas which
will explode if exposed to flame
or sparks.OJFH065046L