2018 Hyundai Santa Fe check engine light

4101
Features of your vehicle
Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON
position.
- It illuminates for approximately 3seconds
- It remains on if the parking brake is applied.
When the parking brake is applied.
When the brake fluid level in the reservoir is low.
- If the warning light illuminateswith the parking brake released, it
indicates the brake fluid level in
reservoir is low. If the brake fluid level in the reservoir
is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. With the engine stopped, check the brake fluid level immediately
and add fluid as required (For
more details, refer to "Brake Fluid"
in chapter 7).
Then check all brake components for fluid leaks. If any leak on the
brake system is still found, the
warning light remains on, or the
brakes do not operate properly, do
not drive the vehicle.
In this case, have your vehicle
towed to an authorized HYUNDAI
dealer and inspected. Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail.
With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure are
required to stop the vehicle.
Also, the vehicle will not stop in as
short a distance with only a portion
of the brake system working.
If the brakes fail while you are driv-
ing, shift to a lower gear for addition-
al engine braking and stop the vehi-
cle as soon as it is safe to do so.

4105
Features of your vehicle
If there is a malfunction with either
the alternator or electrical charging
system:
1. Drive carefully to the nearest safelocation and stop your vehicle.
2. Turn the engine off and check the alternator drive belt for looseness
or breakage.
If the belt is adjusted properly,
there may be a problem in the
electrical charging system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer as soon as pos-
sible.Engine Oil Pressure Warning Light
This warning light illuminates:
When the engine oil pressure is low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the engine off and check the engine oil level (For more details,
refer to "Engine Oil" in section 7).
If the level is low, add oil as
required.
If the warning light remains on
after adding oil or if oil is not avail-
able, have your vehicle inspected
by an authorized HYUNDAI dealer
as soon as possible.
CAUTION - Engine Oil
Pressure
Warning Light
If the engine does not stop immediately after the EngineOil Pressure Warning Light isilluminated, severe damagecould result.
If the warning light stays on while the engine is running, itindicates that there may beserious engine damage ormalfunction. In this case,
1. Stop the vehicle as soon as it is safe to do so.
2. Turn off the engine and check the oil level. If the oillevel is low, fill the engineoil to the proper level.
3. Start the engine again. If the warning light stays on afterthe engine is started, turnthe engine off immediately.In this case, have your vehi-cle inspected by an author-ized HYUNDAI dealer.

4129
Features of your vehicle
Adaptive Front Lighting
System (AFLS) (if equipped)
Adaptive front lighting system uses
the steering angle and vehicle
speed, to keep your field of vision
wide by swiveling and leveling the
headlamp.
Change the switch to the AUTO posi-
tion when the engine is running. The
adaptive front lighting system will
operate when the headlamp is ON.
To turn off the AFLS, change the
switch to other positions. After turn-
ing the AFLS off, headlamp swiveling
no longer occurs, but leveling oper-
ates continuously.If the AFLS malfunction indicator
comes on, the AFLS is not working
properly. Drive to the nearest safe
location and restart the engine. If the
indicator continuously remains on,
take your vehicle to an authorized
HYUNDAI dealer and have the sys-
tem checked.
ODM042247
ONC047618N

4131
Features of your vehicle
✽
✽NOTICE
• When you operate the wipers, if
your vehicle has a problem in any
part of the wiper operation sys-
tem, the wiper may operate in the
LO mode regardless of the wiper
switch position. In this case, have
your vehicle checked by an
authorized HYUNDAI dealer as
soon as possible.
• When the ignition key is removed, the wiper blade sometimes may
move slightly for reducing the
deterioration of the windshield
wipers.
Windshield washers
In the OFF position, pull the lever
gently toward you to spray washer
fluid on the windshield and to run the
wipers 1-3 cycles.
Use this function when the wind-
shield is dirty.
The spray and wiper operation will
continue until you release the lever.
If the washer does not work, check
the washer fluid level. If the fluid level
is not sufficient, you will need to add
appropriate non-abrasive windshield
washer fluid to the washer reservoir. The reservoir filler neck is located in
the front of the engine compartment
on the passenger side.
OANNCO43009
CAUTION
To prevent possible damage to
the washer pump, do not oper-ate the washer when the fluidreservoir is empty.
WARNING
Do not use the washer in freez-
ing temperatures without first
warming the windshield with
the defrosters; the washer solu-
tion could freeze on the wind-
shield and obscure your vision.

4169
Features of your vehicle
If you wish to use the AC
inverter,press the AC inverter button
while the engine is running. The light
on the AC inverter button will illumi-
nate.
If you press the AC inverter button
again, the AC inverter will be deacti-
vated and the light on the AC invert-
er button will turn off.
✽ ✽NOTICE
When turning on the AC inverter, the
indicator on the AC inverter button
is delayed while the system conducts
a self-check.
WARNING
To reduce a risk of serious or
fatal injuries:
Do not use a heated electric
device such as a coffeepot,
toaster, heater, iron, etc.
Do not insert foreign objects into the outlet and do not
touch the outlet as you may
get shocked.
Do not let children touch the AC inverter.
CAUTION
To prevent the battery from being discharged, do not usethe AC inverter while theengine is not running.
When not using the AC invert- er,make sure to turn off the ACinverter (the indicator on thebutton does not illuminate) andclose the AC inverter cover.
After using an electronic accessory or equipment, pullthe plug out. Leaving theaccessory or equipmentplugged in for a long time maycause battery discharge.
Do not use an electronic acces- sory or equipment with thepower consumption greaterthan 150W(115V).
(Continued)
(Continued) Some electronic accessories or equipments can cause elec-tronic interference. It maycause excessive audio noiseand malfunctions in otherelectronic systems or devicesin the vehicle.
Do not use broken electronic accessories or equipments,which may damage the ACinverter and electrical sys-tems of the vehicle.
Do not use two or more elec- tronic accessories or equip-ments at the same time. It maycause damage to the electricalsystems of the vehicle.
When the input voltage is lower, outlet LED will blink andthe AC inverter will turn offautomatically. If the input volt-age goes up to normal, the ACinverter will turn on again.
Do not use extensions or power strips.
(Continued)

Driving your vehicle
45
Before entering vehicle
• Be sure that all windows, outsidemirror(s), and outside lights are
clean.
Check the condition of the tires.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles behind you if you intend to back up.
Necessary inspections
Fluid levels, such as engine oil,
engine coolant, brake fluid, and
washer fluid should be checked on a
regular basis, with the exact interval
depending on the fluid. Further
details are provided in Section 7,
"Maintenance".
BEFORE DRIVING
CALIFORNIA PROPO-
SITION 65 WARNING
Engine exhaust and a wide vari-
ety of automobile components
and parts, including compo-
nents found in the interior fur-
nishings in a vehicle, contain or
emit chemicals known to the
State of California to cause can-
cer and birth defects and repro-
ductive harm. In addition, cer-
tain fluids contained in vehicles
and certain products of compo-
nent wear contain or emit chem-
icals known to the State of
California to cause cancer and
birth defects or other reproduc-
tive harm.
WARNING
Driving while distracted can
result in a loss of vehicle con-
trol, that may lead to an acci-
dent, severe personal injury,
and death. The driver’s primary
responsibility is in the safe and
legal operation of a vehicle, and
use of any handheld devices,
other equipment, or vehicle sys-
tems which take the driver’s
eyes, attention and focus away
from the safe operation of a
vehicle or which are not permis-
sible by law should never be
used during operation of the
vehicle.

Driving your vehicle
85
ON
The warning lights can be checked
before the engine is started. This is
the normal running position after the
engine is started.
Do not leave the ignition switch ON ifthe engine is not running to preventbattery discharge.
START
Turn the ignition switch to the START
position to start the engine. The
engine will crank until you release
the key; then it returns to the ON
position. The brake warning light can
be checked in this position.
WARNING - Ignition key
Never turn the ignition switch to LOCK or ACC while the
vehicle is moving. This would
result in loss of directional
control and braking function,
which could cause an acci-
dent.
The anti-theft steering column lock is not a substitute for the
parking brake. Before leaving
the driver's seat, always make
sure the shift lever is engaged
in P (Park), set the parking
brake fully and shut the
engine off. Unexpected and
sudden vehicle movement
may occur if these precau-
tions are not taken.
(Continued)(Continued)
Never reach for the ignitionswitch, or any other controls
through the steering wheel
while the vehicle is in motion.
The presence of your hand or
arm in this area could cause a
loss of vehicle control, an
accident and serious bodily
injury or death.
Do not place any movable objects around the driver’s
seat as they may move while
driving, interfere with the driv-
er and lead to an accident.

511
Driving your vehicle
ACC(Accessory)
With automatic transaxle
Press the engine start/stop button
while it is in the OFF position without
depressing the brake pedal.
The electrical accessories are opera-
tional.
If the engine start/stop button is in
the ACC position for more than 1
hour, the button is turned off auto-
matically to prevent battery dis-
charge.
ON
With automatic transaxle
Press the engine start/stop button
while it is in the ACC position without
depressing the brake pedal.
The warning lights can be checked
before the engine is started. Do not
leave the engine start/stop button in
the ON position for a long time. The
battery may discharge, because the
engine is not running.
START/RUN
With automatic transaxle
To start the engine, depress the
brake pedal and press the engine
start/stop button with the shift lever in
the P (Park) or the N (Neutral) posi-
tion. For your safety, start the engine
with the shift lever in the P (Park)
position.
Not illuminated OrangeBlue