2020 KIA OPTIMA engine overheat

What to do in an emergency
86
6. If you cannot find the cause of theoverheating, wait until the engine
temperature has returned to nor-
mal. Then, if coolant has been lost,
carefully add coolant to the reser-
voir to bring the fluid level in the
reservoir up to the halfway mark.
7. Proceed with caution, keeping alert for further signs of overheat-
ing. If over heating happens again,
call the nearest authorized Kia
dealer for assistance.
✽ ✽NOTICE
Serious loss of coolant indicates
there is a leak in the cooling system
and should be checked as soon as
possible by an authorized Kia dealer.
CAUTION
When the engine overheats from
low engine coolant, suddenlyadding engine coolant maycause cracks in the engine. Toprevent damage, add enginecoolant slowly in small quantities
WARNING
Do not remove the
radiator cap when the
engine is hot. This
can allow coolant to
blow out of the open-
ing and cause seri-
ous burns.

What to do in an emergency
18
6
Use of the Tire Mobility Kit may not
be effective for tire damage larger
than approximately 6 mm (0.24 in).
Please contact the nearest Kia
dealership if the tire cannot be
made roadworthy with the Tire
Mobility Kit.
Do not remove any foreign objects such as nails or screws that have
penetrated the tire.
Provided the car is outdoors, leave the engine running. Otherwise
operating the compressor may
eventually drain the car battery.
Never leave the Tire Mobility Kit unattended while it is being used.
Do not use the Tire Mobility Kit if the ambient temperature is below -30°C
(-22°F).
WARNING
• If sealant comes into contactwith skin, wash the affected
areas thoroughly. Seek med-
ical attention if irritation
develops and persists.
If sealant comes into contact with the eyes, flush eyes with
water for at least 15 minutes.
Seek medical attention if irri-
tation persists.
If sealant is swallowed, call a physician or poison control
center immediately.
WARNING
Do not use the Tire Mobility Kit
if a tire is severely damaged.
WARNING
Exposure to the sealant for a
long time may cause damage to
the body.
WARNING
Do not leave the compressor
running for more than 10 min. at
a time or it may overheat.

I5
Index
FCA sensor (front radar + front view camera) ..........5-62
FCA warning message and system control ................5-59
Limitation of the system ............................................5-65
System malfunction ....................................................5-64
System setting and activation ....................................5-57
Fuel filler lid (Hybrid) ..................................................4-31 Closing the fuel filler lid ............................................4-31
Emergency fuel filler lid release ................................4-34
Opening the fuel filler lid ..........................................4-31
Fuel filler lid (plug-in Hybrid) ......................................4-35 Closing the fuel filler lid ............................................4-37
Emergency fuel filler lid release ................................4-37
Opening the fuel filler lid ..........................................4-35
Fuel requirements ............................................................1-2 Do not use methanol ....................................................1-2
Fuel additives ................................................................1-3
Gasoline containing alcohol and methanol ..................1-2
Operation in foreign countries ......................................1-4
Fuses ........................................................................\
......7-53 Engine compartment fuse replacement ......................7-57
Fuse/relay panel description ......................................7-59
Inner panel fuse replacement ......................................7-55 Gross vehicle weight........................................................8-5\
HEV/PHEV powertrain ..................................................1-5
Hood ........................................................................\
......4-29
Closing the hood ........................................................4-30
Hood open warning ....................................................4-29
Opening the hood ........................................................4-29
If an accident occurs ......................................................6-29
If the engine overheats ....................................................6-7
If the engine will not start ..............................................6-4 If engine doesn't turn over or turns over slowly ..........6-4
If engine turns over normally but does not start ..........6-4
If you have a flat tire (With Tire Mobility Kit) ............6-16 Checking the tire inflation pressure ............................6-23
Components of the Tire Mobility Kit ........................6-19
Distributing the sealant ..............................................6-22
Introduction ................................................................6-17
Notes on the safe use of the Tire Mobility Kit ..........6-17
Technical Data ............................................................6-23
Using the Tire Mobility Kit ........................................6-20G
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