2011 KIA Optima coolant temperature

15
Introduction
INDICATOR SYMBOLS ON THE INSTRUMENT CLUSTER
Seat belt warning light
High beam indicator
Turn signal indicator
ABS warning light*
Parking brake & Brake fluid
warning light
Engine oil pressure warning light
Charging system warning light
ESC indicator
ESC OFF indicator
Malfunction indicator
Air bag warning light
Cruise indicator*
Cruise SET indicator*
Low fuel level warning light
❈ For more detailed explanations, refer to “Instrument cluster” in section 4.
Door ajar warning light
Trunk lid open warning light
Front fog light indicator*
Engine coolant temperature
warning light
Electric power steering (EPS)
system warning light*
Shift pattern indicator
* : if equipped ECOMINDER
®indicator*ECO
Immobilizer indicator*

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

Driving your vehicle
36
5
Active ECO operation
Active ECO helps improve fuel efficiency
by controlling the engine and transaxle.
But fuel-efficiency can be changed by the
driver's driving habits and road condi-
tions.
When the Active ECO button is
pressed the ECO indicator (green) will
illuminate to show that the Active ECO
is operating.
When the Active ECO is activated, it does not turn off even though the
engine is restarted again. To turn off
the system, press the active ECO but-
ton again.
If Active ECO is turned off, it will return to the normal mode.
Limitation of Active ECO operation:
If the following conditions occur while
Active ECO is operating, the system
operation is limited even though there is
no change in the ECO indicator.
When the coolant temperature is low:
The system will be limited until engine
performance becomes normal.
When driving up a hill: The system will be limited to gain
power when driving uphill because the
engine torque is restricted.
When using sports mode: The system will be limited according to
the shift location.
When the accelerator pedal is deeply pressed for a few seconds:
The system will be limited, Judging
that the driver wants to speed up.
ACTIVE ECO SYSTEM (IF EQUIPPED)
OTF050024

Driving your vehicle
48
5
Use high quality ethylene glycol
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 cooling system, lubri-
cates the water pump and prevents
freezing. Be sure to replace or replenish
your coolant in accordance with the
maintenance schedule in section 7.
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 bat-
tery and cables as described in section
7. 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 section 8
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
section 7 and replace them if necessary.
Also check all ignition wiring and compo-
nents to be sure they are not cracked,
worn or damaged in any way.
To keep locks from freezing
To keep the locks from freezing, squirt an
approved de-icer fluid or glycerine into
the key opening. If a lock is covered with
ice, squirt it with an approved de-icing
fluid to remove the ice. If the lock is
frozen internally, you may be able to thaw
it out by using a heated key. Handle the
heated key with care to avoid injury.
Use approved window washer
anti-freeze in system
To keep the water in the window washer
system from freezing, add an approved
window washer anti-freeze solution in
accordance with instructions on the con-
tainer. Window washer anti-freeze is
available from an authorized KIA dealer
and most auto parts outlets. Do not use
engine coolant or other types of anti-
freeze as these may damage the paint
finish.
Don't let your parking brake
freeze
Under some conditions your parking
brake can freeze in the engaged position.
This is most likely to happen when there
is an accumulation of snow or ice around
or near the rear brakes or if the brakes
are wet. If there is a risk the parking
brake may freeze, apply it only temporar-
ily while you put the shift lever in P (auto-
matic transaxle) or in first or reverse gear
(manual transaxle) and block the rear
wheels so the vehicle cannot roll. Then
release the parking brake.

What to do in an emergency
66
IF THE ENGINE OVERHEATS
If your temperature gauge indicates over-
heating, you will experience a loss of
power, or hear loud pinging or knocking,
the engine is probably too hot. If this hap-
pens, you should:
1. Pull off the road and stop as soon as itis safe to do so.
2. Place the shift lever in P (automatic transaxle) or neutral (manual
transaxle) and set the parking brake. If
the air conditioning is on, turn it off.
3. If engine coolant is running out under the vehicle or steam is coming out
from underneath the hood, stop the
engine. Do not open the hood until the
coolant has stopped running or the
steaming has stopped. If there is no
visible loss of engine coolant and no
steam, leave the engine running and
check to be sure the engine cooling
fan is operating. If the fan is not run-
ning, turn the engine off.
4. Check to see if the water pump drive belt is missing. If it is not missing,
check to see that it is tight. If the drive
belt seems to be satisfactory, check for
coolant leaking from the radiator,
hoses or under the vehicle. (If the air
conditioning had been in use, it is nor-
mal for cold water to be draining from
it when you stop). 5. If the water pump drive belt is broken
or engine coolant is leaking out, stop
the engine immediately and call the
nearest authorized KIA dealer for
assistance. 6. If you cannot find the cause of the
overheating, wait until the engine tem-
perature has returned to normal. Then,
if coolant has been lost, carefully add
coolant to the reservoir to bring the
fluid level in the reservoir up to the
halfway mark.
7. Proceed with caution, keeping alert for further signs of overheating. If over-
heating happens again, call an author-
ized KIA dealer for assistance.
CAUTION
Serious loss of coolant indicates
there is a leak in the cooling systemand this should be checked as soonas possible by an authorized KIAdealer.
WARNING
While the engine is running, keep
hair, hands and clothing away from
moving parts such as the fan and
drive belts to prevent injury.
WARNING
Do not remove the radiator cap
when the engine is hot. This can
allow coolant to be blown out of the
opening and cause serious burns.

717
Maintenance
ENGINE COOLANT
The high-pressure cooling system has a
reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the fac-
tory.
Check the antifreeze protection and
coolant level at least once a year, at the
beginning of the winter season, and
before traveling to a colder climate.
Checking the coolant level
WARNING- Removing
radiator cap
Never attempt to remove the radi-
ator cap while the engine is oper-
ating or hot. Doing so might lead
to cooling system and engine
damage. Also, hot coolant or
steam could cause serious per-
sonal injury.
(Continued)
(Continued)
Turn the engine off and wait untilit cools down. Use extreme care
when removing the radiator cap.
Wrap a thick towel around it, and
turn it counterclockwise slowly to
the first stop. Step back while the
pressure is released from the
cooling system. When you are
sure all the pressure has been
released, press down on the cap,
using a thick towel, and continue
turning counterclockwise to
remove it.
Even if the engine is not operat- ing, do not remove the radiator
cap or the drain plug while the
engine and radiator are hot. Hot
coolant and steam may still blow
out under pressure, causing seri-
ous injury.WARNING
The electric motor (cooling fan) is
controlled by engine coolant tem-
perature, refrigerant pressure and
vehicle speed. It may sometimes
operate even when the engine is
not running. Use extreme caution
when working near the blades of
the cooling fan so that you are not
injured by a rotating fan blades. As
the engine coolant temperature
decreases, the electric motor will
automatically shut off. This is a nor-
mal condition.
If your vehicle is equipped with
GDI, the electric motor (cooling fan)
may operate untill you disconnect
the negative battery cable.

Maintenance
18
7
Check the condition and connections of
all cooling system hoses and heater
hoses. Replace any swollen or deterio-
rated hoses.
The coolant level should be filled
between F (MAX) and L (MIN) marks on
the side of the coolant reservoir when the
engine is cool. If the coolant level is low, add enough
distilled (deionizer) water to provide pro-
tection against freezing and corrosion.
Bring the level to F (MAX), but do not
overfill. If frequent coolant addition is
required, see an authorized KIA dealer
for a cooling system inspection.
Recommended engine coolant
Use only soft (distilled) water in the
coolant mixture.
The engine in your vehicle has alu- minum engine parts and must be pro-
tected by an ethylene-glycol-based
coolant to prevent corrosion and freez-
ing.
DO NOT USE alcohol or methanol coolant or mix them with the specified
coolant.
Do not use a solution that contains more than 60% antifreeze or less than
35% antifreeze, which would reduce
the effectiveness of the solution. For mixture percentage, refer to the fol-
lowing table.-15°C (5°F) 35
65
-25°C (-13°F) 40 60
-35°C (-31°F) 50 50
-45°C (-49°F) 60 40
Ambient
Temperature Mixture Percentage (volume)
Antifreeze Water
OTF070006

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 ··················\
··················\
············7-65 Crankcase emission control system··················\
···········7-65
Evaporative emission control System ··················\
·······7-65
Exhaust emission control system ··················\
··············7-66
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 ··················\
·········7-65
Exhaust emission control system ··················\
···············7-66
Explanation of scheduled maintenance items ··············7-12
Exterior care··················\
··················\
··················\
·············7-59
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