engine overheat KIA Optima 2012 3.G Owner's Manual

Index
4I
Driver's air bag··················\
··················\
··················\
·········3-52
Driver's position memory system ··················\
················4-34
Driving at night ··················\
··················\
··················\
········5-44
Driving in flooded areas ··················\
··················\
············5-45
Driving in the rain··················\
··················\
··················\
····5-45
Economical operation ··················\
··················\
················5-41
Electric chromic mirror (ECM) with HomeLink system and compass ··················\
··················\
··················\
··········4-39
Electric power steering ··················\
··················\
··············4-36
Electronic stability control (ESC) ··················\
···············5-28
Emergency starting ··················\
··················\
··················\
····6-4 Jump starting ··················\
··················\
··················\
···········6-4
Push starting ··················\
··················\
··················\
············6-5
Emergency while driving ··················\
··················\
·············6-2
Emission control system ··················\
··················\
············7-62 Crankcase emission control system··················\
···········7-62
Evaporative emission control System ··················\
·······7-62
Exhaust emission control system ··················\
··············7-63
Engine compartment ··················\
··················\
············2-4, 7-2
Engine coolant ··················\
··················\
··················\
·········7-17
Engine number ··················\
··················\
··················\
···········8-7
Engine oil ··················\
··················\
··················\
·················7-15\
Engine overheats ··················\
··················\
··················\
········6-6
Engine start/stop button ··················\
··················\
···············5-6
Engine temperature gauge ··················\
··················\
·········4-51 Engine will not start··················\
··················\
··················\
···6-3
Evaporative emission control System ··················\
·········7-62
Exhaust emission control system ··················\
···············7-63
Explanation of scheduled maintenance items ··············7-12
Exterior care··················\
··················\
··················\
·············7-56
Flat tire ··················\
··················\
··················\
··················\
·····6-7
Changing tires··················\
··················\
··················\
··········6-8
Compact spare tire ··················\
··················\
··················\
·6-13
Jack and tools ··················\
··················\
··················\
··········6-7
Removing and storing the spare tire···········\
··················\
·6-8
Floor mat anchor(s) ··················\
··················\
·················4-11\
8
Fluid Washer fluid··················\
··················\
··················\
···········7-21
Brakes/clutch fluid··················\
··················\
··················\
·7-20
Folding the rear seat ··················\
··················\
··················\
3-13
Front passenger and rear seat 3-point system with combination locking retractor ··················\
··················\
·3-21
Front seat adjustment - manual ··················\
··················\
···3-4
Front seat adjustment - power ··················\
··················\
·····3-6
Fuel filler lid ··················\
··················\
··················\
············4-27
Fuel gauge··················\
··················\
··················\
················4-50
Fuel requirements ··················\
··················\
··················\
······1-3
EF

I7
Index
Occupant detection system ··················\
··················\
········3-46
Odometer ··················\
··················\
··················\
·················4-52\
Oil (Engine) ··················\
··················\
··················\
·············7-15
Outside rearview mirror··················\
··················\
·············4-46
Overheats ··················\
··················\
··················\
··················\
·6-6
Owner maintenance ··················\
··················\
··················\
···7-5
Paddle shifter ··················\
··················\
··················\
···········5-19
Panorama sunroof ··················\
··················\
··················\
····4-30
Parking brake ··················\
··················\
··················\
···········5-24
Parking brake inspect··················\
··················\
·················7-14\
Passenger's front air bag ··················\
··················\
············3-52
Power brakes ··················\
··················\
··················\
············5-23
Power outlet ··················\
··················\
··················\
···········4-117
Power window lock button ··················\
··················\
········4-24
Pre-tensioner seat belt··················\
··················\
················3-24
Push starting··················\
··················\
··················\
···············6-5
Rear parking assist system··················\
··················\
·········4-75
Rear seat··················\
··················\
··················\
··················\
·3-13
Rearview camera··················\
··················\
··················\
······4-78
Recommended cold tire inflation pressures ··················\
7-31Recommended lubricants and capacities ··················\
·······8-4
Recommended SAE viscosity number ··················\
··········8-5
Remote keyless entry ··················\
··················\
··················\
·4-7
Road warning ··················\
··················\
··················\
·············6-2
Rocking the vehicle ··················\
··················\
··················\
·5-43
Seat belts ··················\
··················\
··················\
··················\
3-18
Driver's 3-point system with emergency locking retractor ··················\
··················\
··················\
··············3-21
Front passenger and rear seat 3-point system with combination locking retractor ··················\
················3-23
Pre-tensioner seat belt ··················\
··················\
·············3-24
Seat belt warning ··················\
··················\
··················\
···3-19
Seat warmer ··················\
··················\
··················\
······3-9, 3-16
Seatback pocket ··················\
··················\
··················\
·······3-12
Seats ··················\
··················\
··················\
··················\
·········3-2 Armrest ··················\
··················\
··················\
··················\
3-17
Headrest················\
··················\
··················\
············3-8, 3-15
Folding the rear seat ··················\
··················\
················3-13
Front seat adjustment - manual ··················\
··················\
·3-4
Front seat adjustment - power ··················\
··················\
···3-6
Lumbar support ··················\
··················\
··················\
3-5, 3-7
Rear seat ··················\
··················\
··················\
················3-13
Seatback pocket ··················\
··················\
··················\
·····3-12
Climate control seat ··················\
··················\
·················3-11\
Seat warmer··················\
··················\
··················\
····3-9, 3-16
O
P
R
S

451
Features of your vehicle
Engine temperature gauge
This gauge shows the temperature of the
engine coolant when the ignition switch
is ON.
Do not continue driving with an overheat-
ed engine. If your vehicle overheats, refer
to “If the engine overheats” in section 6.
Trip computer
The trip computer is a microcomputer-
controlled driver information system that
displays information related to driving on
the display when the ignition switch is in
the ON position. All stored driving infor-
mation (except odometer) is reset if the
battery is disconnected.■ ■
Type A
TRIP A
TRIP B
Average speed
Elapsed time
Outside
Distance to empty
Average fuel consumption
Instant fuel consumption
* if equipped
OTF040059OTF040057
CAUTION
If the gauge pointer moves beyondthe normal range area toward the“H” position, it indicates overheat-ing that may damage the engine.
■Type A■Type B

499
Features of your vehicle
✽
✽NOTICE
• While using the air conditioning sys-
tem, monitor the temperature gauge
closely while driving up hills or in
heavy traffic when outside tempera-
tures are high. Air conditioning sys-
tem operation may cause engine over-
heating. Continue to use the blower
fan but turn the air conditioning sys-
tem off if the temperature gauge indi-
cates engine overheating.
• While opening the windows in humid weather air conditioning may create
water droplets inside the vehicle.
Since excessive water droplets may
cause damage to electrical equipment,
air conditioning should only be used
with the windows closed.
Air conditioning system operation tips
If the vehicle has been parked in direct
sunlight during hot weather, open the
windows for a short time to let the hot
air inside the vehicle escape.
To help reduce moisture inside of the windows on rainy or humid days,
decrease the humidity inside the vehi-
cle by operating the air conditioning
system.
During air conditioning system opera- tion, you may occasionally notice a
slight change in engine speed as the
air conditioning compressor cycles.
This is a normal system operation
characteristic.
Use the air conditioning system every month only for a few minutes to ensure
maximum system performance.
When using the air conditioning sys- tem, you may notice clear water drip-
ping (or even puddling) on the ground
under the passenger side of the vehi-
cle. This is a normal system operation
characteristic. Operating the air conditioning system
in the recirculated air position provides
maximum cooling, however, continual
operation in this mode may cause the
air inside the vehicle to become stale.
During cooling operation, you may occasionally notice a misty air flow
because of rapid cooling and humid air
intake. This is a normal system opera-
tion characteristic.

Driving your vehicle
45
Illuminated ignition switch
Whenever a front door is opened, the
ignition switch will illuminate for your con-
venience, provided the ignition switch is
not in the ON position. The light will go off
immediately when the ignition switch is
turned on. It will also go off after about 30
seconds when the door is closed.
Ignition switch position
LOCK
The steering wheel locks to protect
against theft. (if equipped) The ignition
key can be removed only in the LOCK
position.
When turning the ignition switch to the
LOCK position, push the key inward at
the ACC position and turn the key toward
the LOCK position.
OTF050001
WARNING
When you intend to park or stopthe vehicle with the engine on, be
careful not to depress the accel-
erator pedal for a long period of
time. It may overheat the engine
or exhaust system and cause fire.
When you make a sudden stop or turn the steering wheel rapidly,
loose objects may drop on the
floor and it could interfere with
the operation of the foot pedals,
possibly causing an accident.
Keep all things in the vehicle
safely stored.
If you do not focus on driving, it may cause an accident. Be care-
ful when operating what may dis-
turb driving such as audio or
heater. It is the responsibility of
the driver to always drive safely.
KEY POSITIONS
OTF050002

Driving your vehicle
14
5
Good driving practices
Never take the vehicle out of gear and
coast down a hill. This is extremely
hazardous. Always leave the vehicle in
gear.
Don't "ride" the brakes. This can cause them to overheat and malfunction.
Instead, when you are driving down a
long hill, shift to a lower gear. When
you do this, engine braking will help
slow down the vehicle.
Slow down before shifting to a lower gear. This will help avoid over-revving
the engine, which can cause damage.
Slow down when you encounter cross winds. This gives you much better con-
trol of your vehicle.
Be sure the vehicle is completely stopped before you attempt to shift into
R (Reverse). The transaxle can be
damaged if you do not. To shift into R
(Reverse), depress the clutch, move
the shift lever to neutral, wait three sec-
onds, then shift to the R (Reverse)
position.
Exercise extreme caution when driving on a slippery surface. Be especially
careful when braking, accelerating or
shifting gears. On a slippery surface,
an abrupt change in vehicle speed can
cause the drive wheels to lose traction
and the vehicle to go out of control.WARNING
Always buckle-up! In a collision,
an unbelted occupant is signifi-
cantly more likely to be seriously
injured or killed than a properly
belted occupant.
Avoid high speeds when corner- ing or turning.
Do not make quick steering wheel movements, such as sharp
lane changes or fast, sharp turns.
The risk of rollover is greatly increased if you lose control of
your vehicle at highway speeds.
Losing control often occurs if two or more wheels drop off the road-
way and the driver oversteers to
reenter the roadway.
In the event your vehicle leaves the roadway, do not steer sharply.
Instead, slow down before pulling
back into the travel lanes.
Never exceed posted speed lim- its.

Driving your vehicle
20
5
Shift-lock override
If the shift lever cannot be moved from
the P (Park) into R (Reverse) position
with the brake pedal depressed, continue
depressing the brake, then do the follow-
ing:
1. Carefully remove the cap covering the
shift-lock access hole.
2. Insert a key (or screwdriver) into the access hole and press down on the
key (or screwdriver).
3. Move the shift lever.
4. Have your vehicle inspected by an authorized Kia dealer immediately.
Ignition key interlock system
The ignition key cannot be removed
unless the shift lever is in the P (Park)
position.
Good driving practices
Never move the shift lever from P(Park) or N (Neutral) to any other posi-
tion with the accelerator pedal
depressed.
Never move the shift lever into P (Park) when the vehicle is in motion.
Be sure the vehicle is completely stopped before you attempt to shift into
R (Reverse) or D (Drive).
Never take the vehicle out of gear and coast down a hill. This may be
extremely hazardous. Always leave the
car in gear when moving.
Do not "ride" the brakes. This can cause them to overheat and malfunc-
tion. Instead, when you are driving
down a long hill, slow down and shift to
a lower gear. When you do this, engine
braking will help slow down the vehicle.
Slow down before shifting to a lower gear. Otherwise, the lower gear may
not be engaged.
Always use the parking brake. Do not depend on placing the transaxle in P
(Park) to keep the vehicle from moving.
OTF050011

523
Driving your vehicle
Power brakes
Your vehicle has power-assisted brakes
that adjust automatically through normal
usage.
In the event that the power-assisted
brakes lose power because of a stalled
engine or some other reason, you can
still stop your vehicle by applying greater
force to the brake pedal than you nor-
mally would. The stopping distance, how-
ever, will be longer.
When the engine is not running, 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 neces-
sary to maintain steering control on slip-
pery surfaces.
In the event of brake failure
If service brakes fail to operate while the
vehicle is in motion, you can make an
emergency stop with the parking brake.
The stopping distance, however, will be
much greater than normal.
BRAKE SYSTEM
(Continued)
When descending a long or steephill, shift to a lower gear and
avoid continuous application of
the brakes. Continuous brake
application will cause the brakes
to overheat and could result in a
temporary loss of braking per-
formance.
Wet brakes may impair the vehi- cle’s ability to sefely slow down;
the vehicle 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 fashion after
driving through deep water. To
dry the brakes, apply them lightly
while maintaining a safe forward
speed until brake performance
returns to normal.
Always, confirm the position of the brake and accelerator pedal
before driving. If you don't check
the position of the accelerator
and brake pedal before driving,
you may depress the accelerator
instead of the brake pedal. It may
cause a serious accident.
WARNING- Parking brake
Applying the parking brake while
the vehicle is moving at normal
speeds can cause a sudden loss of
control of the vehicle. If you must
use the parking brake to stop the
vehicle, use great caution in apply-
ing the brake.
WARNING- Brakes
Do not drive with your foot rest-ing on the brake pedal. This will
create abnormal high brake tem-
peratures, excessive brake lining
and pad wear, and increased
stopping distances.
(Continued)

Driving your vehicle
34
5
Good braking practices
Check to be sure the parking brake is
not engaged and that the parking
brake indicator light is out before driv-
ing away. Driving through water may get the
brakes wet. They can also get wet
when the vehicle is washed. Wet
brakes can be dangerous! Your vehicle
will not stop as quickly if the brakes are
wet. Wet brakes may cause the vehicle
to pull to one side.
To dry the brakes, apply the brakes
lightly until the braking action returns to
normal, taking care to keep the vehicle
under control at all times. If the braking
action does not return to normal, stop
as soon as it is safe to do so and call
an authorized Kia dealer for assis-
tance.
Don't coast down hills with the vehicle out of gear. This is extremely haz-
ardous. Keep the vehicle in gear at all
times, use the brakes to slow down,
then shift to a lower gear so that
engine braking will help you maintain a
safe speed.
Don't "ride" the brake pedal. Resting your foot on the brake pedal while driv-
ing can be dangerous because the
brakes might overheat and lose their
effectiveness. It also increases the
wear of the brake components. If a tire goes flat while you are driving,
apply the brakes gently and keep the
vehicle pointed straight ahead while
you slow down. When you are moving
slowly enough for it to be safe to do so,
pull off the road and stop in a safe
place.
If your vehicle is equipped with an automatic transaxle, don't let your vehi-
cle creep forward. To avoid creeping
forward, keep your foot firmly on the
brake pedal when the vehicle is
stopped.
Be cautious when parking on a hill. Firmly engage the parking brake and
place the shift lever in P (automatic
transaxle) or in first or reverse gear
(manual transaxle). If your vehicle is
facing downhill, turn the front wheels
into the curb to help keep the vehicle
from rolling. If your vehicle is facing
uphill, turn the front wheels away from
the curb to help keep the vehicle from
rolling. If there is no curb or if it is
required by other conditions to keep
the vehicle from rolling, block the
wheels.
WARNING
Whenever you leave or park yourvehicle, always set the parking
brake as far as possible and fully
engage the vehicle's transaxle
into the P (Park) position. If the
parking brake is not fully
engaged, the vehicle may move
inadvertently and injure yourself
and others.
All vehicles should always have the parking brake fully engaged
when parking to avoid inadver-
tent movement of the vehicle
which can injure occupants or
pedestrians.

541
Driving your vehicle
Your vehicle's fuel economy depends
mainly on your style of driving, where you
drive and when you drive.
Each of these factors affects how many
miles (kilometers) you can get from a gal-
lon (liter) of fuel. To operate your vehicle
as economically as possible, use the fol-
lowing driving suggestions to help save
money in both fuel and repairs:
Drive smoothly. Accelerate at a moder-ate rate. Don't make "jack-rabbit" starts
or full-throttle shifts and maintain a
steady cruising speed. Don't race
between stoplights. Try to adjust your
speed to the traffic so you don't have to
change speeds unnecessarily. Avoid
heavy traffic whenever possible.
Always maintain a safe distance from
other vehicles so you can avoid unnec-
essary braking. This also reduces
brake wear.
Drive at a moderate speed. The faster you drive, the more fuel your vehicle
uses. Driving at a moderate speed,
especially on the highway, is one of the
most effective ways to reduce fuel con-
sumption. Don't "ride" the brake pedal. This can
increase fuel consumption and also
increase wear on these components.
In addition, driving with your foot rest-
ing on the brake pedal may cause the
brakes to overheat, which reduces
their effectiveness and may lead to
more serious consequences.
Take care of your tires. Keep them inflated to the recommended pressure.
Incorrect inflation, either too much or
too little, results in unnecessary tire
wear. Check the tire pressures at least
once a month.
Be sure that the wheels are aligned correctly. Improper alignment can
result from hitting curbs or driving too
fast over irregular surfaces. Poor align-
ment causes faster tire wear and may
also result in other problems as well as
greater fuel consumption. Keep your vehicle in good condition.
For better fuel economy and reduced
maintenance costs, maintain your vehi-
cle in accordance with the mainte-
nance schedule in section 7. If you
drive your vehicle in severe conditions,
more frequent maintenance is required
(see section 7 for details).
Keep your vehicle clean. For maximum service, your vehicle should be kept
clean and free of corrosive materials. It
is especially important that mud, dirt,
ice, etc. not be allowed to accumulate
on the underside of the vehicle. This
extra weight can result in increased
fuel consumption and also contribute
to corrosion.
Travel lightly. Don't carry unnecessary weight in your vehicle. Weight reduces
fuel economy.
Don't let the engine idle longer than necessary. If you are waiting (and not
in traffic), turn off your engine and
restart only when you're ready to go.
ECONOMICAL OPERATION