2010 Hyundai Equus check engine light

Features of your vehicle
66
4
AUTO HOLD indicator
If you press the AUTO HOLD switch, the
AUTO HOLD indicator on the cluster
comes on white. And when you stop the
vehicle completely by pressing the brakepedal, the indicator changes from white
to green.
For more information, refer to “AUTO
HOLD” in section 5.
AFLS (Adaptive Front
Lighting System)
OFF indicator (if equipped)
The AFLS OFF indicator will come on
when you turn the adaptive front light
system off by pressing the AFLS OFF
button. The AFLS OFF Indicator will illu-
minate when the engine start/stop button
is turned to ON, but should go off after
approximately 3 seconds. If the warning
light does not come on, when you turn
the engine start/stop button to the ON
position, The Adaptive Front Light
System is not working properly.
If it blinks while driving, the Adaptive Front
Light System is not working properly.
Take your vehicle to an authorized
HYUNDAI dealer and have the system
checked.
ECS (Electronic ControlSuspension) malfunctionindicator (if equipped)
The ECS malfunction indicator will illumi-
nate when the engine start/stop button is
turned to ON, but should go off after
approximately 3 seconds. If the warning
light does not come on, or continuously
remains on after coming on for about 3
seconds when you turn the engine
start/stop button to the ON position, the
ECS is not working properly.
If it comes on while driving, the electron-
ic control suspension is not working
properly.
Take your vehicle to an authorized
HYUNDAI dealer and have the system
checked. Warning on the LCD screen
Key not in vehicle
If the smart key is
not in the vehicle
and if any door isopened or closedwith the engine
start/ stop button
in ACC, ON, or
START, the warn-ing illuminates on
the LCD display.
The chime also sounds for 5 seconds
when there smart key is not in the vehi-cle and the door is closed.
Always have the smart key with you.
Key not detected
If the smart key is
not in the vehicleor is not detected
and you press the
engine start/ stop
button, the warn-ing illuminates on
the LCD display
for 10 seconds.
AFLS
OFF
AUTO
HOLD
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ECS

477
Features of your vehicle
The rearview camera will activate when
the back-up light is ON with the engine
start/stop button ON and the shift lever inthe R position. This system is a supplemental system
that shows behind the vehicle through
the AV monitor while backing-up.
✽✽NOTICE
The rearview camera may not operate
normally, when you drive in the
extremely high or low temperature
area.
(operating temperature: -20°C~65°C
(-13°F ~ 149°F))
The hazard warning flasher should be
used whenever you find it necessary to
stop the vehicle in a hazardous location.
When you must make such an emer-
gency stop, always pull off the road as far
as possible.
The hazard warning lights are turned on
by pushing in the hazard switch. This
causes all turn signal lights to blink. The
hazard warning lights will operate even
though engine start/stop button is in theOFF position.
To turn the hazard warning lights off,
push the switch a second time.
WARNING
This system is a supplementary function only. It is the responsi-
bility of the driver to always
check the inside/outside rearview
mirror and the area behind the
vehicle before and while backingup because there is a dead zone
that can't be seen through thecamera.
Always keep the camera lens clean. If the lens is covered with
foreign matter, the camera may
not operate normally.
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REARVIEW CAMERA (IF EQUIPPED)
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HAZARD WARNING FLASHER

Features of your vehicle
78
4
Battery saver function
The purpose of this feature is to pre-
vent the battery from being dis-
charged. The system automatically
turns off the exterior lights when the
driver turns off the engine and opens
the driver-side door.
With this feature, the parking lights will be turned off automatically if the driver
parks on the side of road at night.
If necessary, to keep the lights on
when the engine start/stop button is
turned to the OFF position, perform the
following:
1) Open the driver-side door.
2) Turn the parking lights OFF and ON again using the light switch on the
steering column. Headlight escort function (if equipped)
If you turn the engine start/stop button to
the ACC or OFF position with the head-lights ON, the headlights (and/or tail
lights) remain on for about 20 minutes.
However, if the driver’s door is opened
and closed, the headlights are turned off
after 30 seconds.
The headlights can be turned off by
pressing the door lock button on the
smart key twice or turning the light switch
to the OFF or Auto position.
However, if you turn the light switch to the
Auto position when it is dark outside, the
headlights will not be turned off.
Rescue mode function (if equipped)
If your vehicle has any problem on the
vehicle network system, the headlights
(low beam) turn on automatically with the
engine start/stop button in the ON posi-
tion even though the headlight switch is
not turned on. At this time, the emer-
gency lighting is not turned off when the
headlight switch is turned off.
LIGHTING
CAUTION
If the rescue mode occurs, have
your vehicle checked by an author-
ized HYUNDAI dealer as soon aspossible.

483
Features of your vehicle
AFLS (Adaptive Front Lighting System) (if equipped)
AFLS, that uses the steering angle and
vehicle speed, can keep your field of
vision wide by swiveling and leveling the
headlamp.
The AFLS will operate each time you
start the engine.
To turn the AFLS off, push the button.
The AFLS OFF indicator in the instru-
ment cluster will illuminate. After turn the
AFLS off, headlamp swiveling no longer
occurs, but leveling operates continuous-
ly.
To turn it on, push the button again.The AFLS OFF indicator blinks when
there is a problem with the AFLS.
Have the system checked by an author-
ized HYUNDAI dealer as soon as possi-
ble to determine the cause of the prob-lem.D191100ABH Headlight washer (if equipped)
If your vehicle is equipped with the head-
light washer it will be operating at the
same time when you operate the wind-
shield washer. It will operate when the
headlight switch is in the first or second
position and the engine start/stop buttonis in the ON position.
The washer fluid will be sprayed on to the
headlights.✽✽
NOTICE
Check the headlight washers periodical-
ly to confirm that the washer fluid is
being sprayed properly onto the head-
light lenses.OVI049087OVI049088

485
Features of your vehicle
MIST( ) : For a single wiping cycle,push the lever upward and
release it with the lever in
the OFF position. The
wipers will operate continu-
ously if the lever is pushed
upward and held.
OFF (0) : Wiper is not in operation
AUTO : The rain sensor located on the upper end of the windshield
glass senses the amount of rain-
fall and controls the wiping cycle
for the proper interval. The more
it rains, the faster the wiper oper-
ates. When the rain stops, the
wiper stops. To vary the speed
setting, turn the speed controlknob (1).
LO (1) : Normal wiper speed
HI (2) : Fast wiper speed
✽✽ NOTICE
If there is heavy accumulation of snow
or ice on the windshield, defrost the
windshield for about 10 minutes, or
until the snow and/or ice is removed
before using the windshield wipers to
ensure proper operation. ✽
✽
NOTICE
 When you operate the wipers, if your vehicle has a problem in any part of
the wiper operation system, the wiper
may operate in the LO (1) mode
regardless of the wiper switch posi-
tion. In this case, have your vehicle
checked by an authorized HYUNDAI
dealer as soon as possible.
 When the engine start/stop button is turned to the OFF position, the wiper
blade sometimes may move slightly to
be properly positioned for reducing
the deterioration of the windshield
wipers.
Auto control
The rain sensor located on the upper end of the windshield glass senses the
amount of rainfall and controls the wiping
cycle for the proper interval. The more it
rains, the faster the wiper operates. When
the rain stops, the wiper stops.
Type A
Type BOVI049098K
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Rain sensor
Rain sensor

53
Driving your vehicle
Before entering vehicle
• Be sure that all windows, outside mir-ror(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 sec-
tion 7, “Maintenance”. Before starting
Close and lock all doors.
Position the seat so that all controls are
easily reached.
Adjust the inside and outside rearview mirrors.
Be sure that all lights work.
Check all gauges.
Check the operation of warning lights when the engine start/stop button is
turned to the ON position.
Release the parking brake and make sure the brake warning light goes out.
For safe operation, be sure you are famil-
iar with your vehicle and its equipment.
BEFORE DRIVING
WARNING
All passengers must be properly
belted whenever the vehicle is mov-
ing. Refer to “Seat belts” in section
3 for more information on their
proper use.
WARNING
Always check the surrounding
areas near your vehicle for people,
especially children, before putting a
vehicle into D (Drive) or R
(Reverse).
WARNING
When you intend to park or stop the
vehicle with the engine on, be care-ful not to depress the accelerator
pedal for a long period of time. It
may overheat the engine or exhaust
system and cause fire.
WARNING - Driving under
the influence of alcohol or drugs
Drinking and driving is dangerous.
Drunk driving is the number one
contributor to the highway death
toll each year. Even a small amount
of alcohol will affect your reflexes,
perceptions and judgment. Drivingwhile under the influence of drugs
is as dangerous or more dangerousthan driving drunk.
You are much more likely to have a
serious accident if you drink or
take drugs and drive.
If you are drinking or taking drugs,
don’t drive. Do not ride with a driv-er who has been drinking or taking
drugs. Choose a designated driveror call a cab.

55
Driving your vehicle
ON
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
button in the ON position for a long time.
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
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) position. For your safe-
ty, start the engine with the shift lever in
the P (Park) position.
✽✽NOTICE
 If you press the engine start/stop but- ton without depressing the brake
pedal, the engine will not start and the
engine start/stop button changes as
follow :
OFF →
→
ACC →→
ON →→
OFF
 If you leave the engine start/stop but-
ton in the ACC or the ON position for
a long time, the battery will discharge.
WARNING
Never press the engine start/stop button while the vehicle is in
motion. This would result in theengine turning off and loss of
power assist for the steering and
brakes, which may lead to loss of
directional control and braking
function, which could cause anaccident.
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 theseprecautions are not taken.
(Continued)
(Continued)
Never reach for the enginestart/stop button, or any other
controls through the steering
wheel while the vehicle is in
motion. The presence of yourhand 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, interferewith the driver and lead to anaccident.

515
Driving your vehicle
Disc brakes wear indicator
Your vehicle has disc brakes.
When your brake pads are worn and new
pads are required, you will hear a high-
pitched warning sound from your front
brakes or rear brakes. You may hear this
sound come and go or it may occur
whenever you depress the brake pedal.
Please remember that some driving con-
ditions or climates may cause a brake
squeal when you first apply (or lightly
apply) the brakes. This is normal and
does not indicate a problem with your
brakes.Electronic parking brake (EPB)
Applying the parking brake
To engage the parking brake, first apply
the brake pedal and then press the EPB
switch. Make sure that the brake warninglight comes on.
Releasing the parking brake
To release the parking brake manually
with the engine start/stop button in the
ON position, pull the EPB switch while
depressing the brake pedal. Make sure
that the brake warning light goes off.
The parking brake will be released auto-
matically when you shift the shift lever
from P (Park) to R (Reverse), N (Neutral)
or D (Drive) while depressing the brakepedal.
Make sure that the brake warning light goes out.
If the parking brake does not release,
have the system checked by an author-
ized HYUNDAI dealer.
WARNING- Brake wear
This brake wear warning sound
means your vehicle needs service.
If you ignore this audible warning,
you will eventually lose braking
performance, which could lead to aserious accident.
CAUTION
To avoid costly brake repairs, do not continue to drive with wornbrake pads.
Always replace brake pads as complete front or rear axle sets.
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CAUTION
Driving with the parking brakeapplied will cause excessive brakepad (or lining) and brake rotor wear.