2020 KIA CADENZA check engine light

Introduction
2 1
HOW TO USE THIS MANUAL
We want to help you get the greatest
possible driving pleasure from your
vehicle. Your Owner’s Manual can
assist you in many ways. We strong-
ly recommend that you read the
entire manual. In order to minimize
the chance of death or injury, you
must read the WARNING and CAU-
TION sections in the manual.
Illustrations complement the words
in this manual to best explain how to
enjoy your vehicle. By reading your
manual, you will learn about fea-
tures, important safety information,
and driving tips under various road
conditions.
The general layout of the manual is
provided in the Table of Contents.
Use the index when looking for a
specific area or subject; it has an
alphabetical listing of all information
in your manual.
Sections: This manual has eight sec-
tions plus an index. Each section
begins with a brief list of contents so
you can tell at a glance if that section
has the information you want.You will find various WARNINGs,
CAUTIONs, and NOTICEs in this
manual. These WARNINGs were pre-
pared to enhance your personal safe-
ty. You should carefully read and follow
ALL procedures and recommenda-
tions provided in these WARNINGs,
CAUTIONs and NOTICEs.
✽ ✽

NOTICE
A NOTICE indicates interesting or
helpful information is being provided.
Your new vehicle is designed to use
only unleaded fuel having a pump
octane number ((R+M)/2) of 87
(Research Octane Number 91) or
higher. (Do not use methanol blend-
ed fuels.)
Your new vehicle is designed to
obtain maximum performance with
UNLEADED FUEL, as well as mini-
mize exhaust emissions and spark
plug fouling.
Never add any fuel system cleaning
agents to the fuel tank other than
what has been specified. (Consult an
authorized Kia dealer for details.)
Tighten the cap until it clicks one
time, otherwise the Check Engine
light will illuminate.
WARNING
A WARNING indicates a situa-
tion in which harm, serious bod-
ily injury or death could result if
the warning is ignored.
CAUTION
A CAUTION indicates a situation
in which damage to your vehicle
could result if the caution is
ignored.
FUEL REQUIREMENTS

Safety features of your vehicle
26 3
If the pre-tensioner seat belt system
is not working properly, this warning
light will illuminate even if there is not
a malfunction with the SRS air bag. If
the SRS air bag warning light does
not illuminate when the Engine
Start/Stop button is turned ON, or if it
remains illuminated after illuminating
for approximately 6 seconds, or if it
illuminates while the vehicle is being
driven, have an authorized Kia dealer
inspect the pre-tensioner seat belt
and SRS air bag system as soon as
possible.
✽ ✽
NOTICE
Do not attempt to service or repair
the pre-tensioner seat belt system in
any manner. Do not attempt to
inspect or replace the pre-tensioner
seat belts yourself. This must be
done by an authorized Kia dealer.
Pre-tensioners are designed to oper-
ate only one time. After activation,
pre-tensioner seat belts must be
replaced. If the pre-tensioner must
be replaced, contact an authorized
Kia dealer.
Seat belt precautions
Infant or small child
All 50 states have child restraint laws.
You should be aware of the specific
requirements in your state. Child
and/or infant seats must be properly
placed and installed in the rear seat.
For more information about the use of
these restraints, refer to “Child
restraint system” in this section.
✽ ✽
NOTICE
Small children are best protected
from injury in an accident when
properly restrained in the rear seat
by a child restraint system that meets
the requirements of the Federal
Motor Vehicle Safety Standards.
Before buying any child restraint sys-
tem, make sure that it has a label cer-
tifying that it meets Federal Motor
Vehicle Safety Standard 213. The
restraint must be appropriate for
your child's height and weight.
Check the label on the child restraint
for this information. Refer to “Child
restraint system” in this section.
WARNING- Hot preten-
sioner
Do not touch the pre-tensioner
seat belt assemblies for several
minutes after they have been
activated. When the pre-ten-
sioner seat belt mechanism
fires during a collision the pre-
tensioner becomes hot and can
burn you.

Safety features of your vehicle
44 3
SRS components and functions
The SRS consists of the following
components:
1. Driver's front air bag module
2. Passenger's front air bag module
3. Side air bag modules
4. Curtain air bag modules
5. Retractor pre-tensioner assemblies
6. Air bag warning light
7. SRS control module (SRSCM) /
Rollover sensor
8. Front impact sensors9. Side impact sensors
10. PASSENGER AIR BAG “OFF”
indicator (Front passenger’s seat
only)
11. Occupant detection system
(Front passenger’s seat only)
12. Emergency fastening device
(EFD)
13. Driver`s knee air bag module
If the air bag warning light is illumi-
nated for more than 6 seconds after
the Engine Start/Stop button is
turned on, or of it illuminates during
vehicle operation, an SRS compo-
nent may not be functioning properly
and you should have your vehicle
checked by an authorized Kia dealer.
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45
Features of your vehicle
Locking
To lock your vehicle using the door
handle button or the smart key :
1. Make sure all doors, the hood and
the trunk are closed.
2. Make sure you have the smart key
in your possession.
3. Press either the button on the front
outside door handles or the door
lock button (1) on the smart key.
The chime will sound once and the
hazard warning lights will blink to
indicate that all doors are locked.4. Make sure the doors are locked by
checking the position of the door
lock button inside the vehicle or
pull the outside door handle.
✽ ✽
NOTICE
The door handle button will only
operate when the smart key is with-
in 28~40 inches (0.7~1 m) from the
outside door handle.
In some instances, when the outside
door button is pressed, the doors will
not lock and an audible chime will
sound for 3 seconds with any of the
following :
• The smart key is in the vehicle.
The ENGINE START/STOP button
is in the ACC or ON position.
Any door except the trunk is
opened.
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411
Features of your vehicle

you years of trouble-free use, how-
ever it can malfunction if exposed
to moisture or static electricity. If
you are unsure how to use or
replace the battery, contact an
authorized Kia dealer.

the smart key to malfunction. Be
sure to use the correct battery.

don't drop it, get it wet, or expose it
to heat or sunlight.
An inappropriately dis-
posed battery can be harm-
ful to the environment and
human health. Dispose the
battery according to your
local law(s) or regulations.Immobilizer system
Your vehicle is equipped with an
electronic engine immobilizer system
to reduce the risk of unauthorized
vehicle use.
Whenever the ENGINE START/STOP
button is changed to the ON position,
the immobilizer system checks and
verifies if the key is valid or not.
If the key is valid, the engine will
start.
If the key is invalid, the engine will
not start.
✽ ✽
NOTICE
In order to prevent theft of your
vehicle, do not leave spare keys any-
where in your vehicle. Your
Immobilizer password is a customer
unique password and should be kept
confidential. Do not leave this num-
ber anywhere in your vehicle.
To deactivate the immobilizer
system
Change the ENGINE START/STOP
button to the ON position.
To activate the immobilizer sys-
tem
Change the ENGINE START/STOP
button to the OFF position. The
immobilizer system activates auto-
matically. Without a valid smart key
for your vehicle, the engine will not
start.
In order to prevent theft of your vehi-
cle, do not leave spare keys any-
where in your vehicle.
Your immobilizer password is a cus-
tomer unique password and should
be kept confidential. Do not leave this
number anywhere in your vehicle.
✽ ✽
NOTICE
Keep each key separate in order to
avoid a starting malfunction.
CAUTION - Smart key
damage
Do not drop, get wet or expose
the smart key to heat or sun-
light, or it will be damaged.

435
Features of your vehicle
Closing the hood
1. Before closing the hood, check the
following:

ment must be correctly installed.

bustible material must be
removed from the engine com-
partment.
2. Lower the hood until it is about 12
inches (30 cm) above the closed
position and let it drop. Make sure
that it locks into place.
3. Check that the hood has engaged
properly. If the hood can be raised
slightly, it is not properly engaged.
Open it again and close it with a lit-
tle more force.
WARNING - Fire risk
Do not leave gloves, rags or any
other combustible material in the
engine compartment. Doing so
may cause a heat-induced fire.
WARNING - Unsecured
engine hood
Always double check to be sure
that the hood is firmly latched
before driving away. If it is not
latched, the hood could fly open
while the vehicle is being driv-
en, causing a total loss of visi-
bility, which might result in an
accident.CAUTION - Hood obstruc-
tion
Before closing the hood, ensure
that all obstructions are removed
from the hood opening. Closing
the hood with an obstruction
present in the hood opening may
result in property damage.

Features of your vehicle
36 4
Opening the fuel filler door
The fuel filler door must be opened
from inside the vehicle by pressing
the fuel filler door opener button.
If the fuel filler door does not open
because ice has formed around it,
tap lightly or push on the door to
break the ice and release the door.
Do not pry on the door. If necessary,
spray around the door with an
approved de-icer fluid (do not use
radiator anti-freeze) or move the
vehicle to a warm place and allow
the ice to melt.1. Stop the engine.
2. To open the fuel filler door, push
the fuel filler door opener button.
3. Pull open the fuel filler door (1).
4. To remove the cap, turn the fuel
filler cap (2) counterclockwise.
5. Refuel as needed.
FUEL FILLER DOOR
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WARNING
Before refueling, be sure to
check what type of fuel is used
for your vehicle.
If you put diesel fuel into a gaso-
line-powered vehicle or gasoline
into a diesel-powered vehicle, it
may affect the fuel system and
cause serious damage to the
vehicle.

437
Features of your vehicle
Closing the fuel filler door
1. To install the cap, turn it clockwise
until it “clicks” once. This indicates
that the cap is securely tightened.
2. Close the fuel filler door and push
it in lightly making sure that it is
securely closed.
✽ ✽
NOTICE
There may be an intermittent noise
near the refueling hole while the
engine is idling if the fuel cap is not
closed securely. This occurs normal-
ly with the OBD system.
✽ ✽
NOTICE
When refueling on unlevel ground,
the fuel gauge may not point to the F
position.
It is not a malfunction. If you move
your vehicle to a level ground, the fuel
gauge will move to the full position.
Emergency fuel filler door
release
If the fuel filler door does not open
using the fuel filler door opener but-
ton, you can open it manually.
Remove the panel in the cargo area.
Pull the handle out slightly.Always check that the fuel cap is
installed securely to prevent fuel
spillage in the event of an accident.
✽ ✽
NOTICE
Tighten the cap until it clicks once,
otherwise the fuel cap open warning
indicator light will illuminate.
WARNING- Refueling
Always remove the fuel cap
carefully and slowly. If the cap
is venting fuel or if you hear a
hissing sound, wait until the
condition stops before com-
pletely removing the cap. If
pressurized fuel sprays out, it
can cover your clothes or skin
and subject you to the risk of
fire and burns.
CAUTION
Do not pull the handle exces-
sively, otherwise the luggage
area trim or release handle may
be damaged.
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