2012 Hyundai Equus check engine light

Features of your vehicle
66 4
Smart cruise control warning light
(if equipped)
SCC (Smart cruise control) malfunction
indicator
The warning light illuminates when the
vehicle to vehicle distance control sys-
tem is not operated normally.
Take your vehicle to an authorized
HYUNDAI dealer and have the system
checked.SCC (Smart cruise control) sensor mal-
function indicator
If the sensor or the cover is stained the
indicator will illuminate. Remove the
stains with a soft cloth.
For more information about the use of
smart cruise control, refer to "Smart
cruise control system" in section 5.
Key reminder warning chime
(if equipped)
If the driver’s door is opened while the
smart key is in the vehicle with the
engine start/stop button in ACC or the
smart key is in the smart key holder with
the engine start/stop button in OFF, the
key reminder warning chime will sound.
The chime sounds until the smart key is
removed from the smart key holder or the
driver’s door is closed.
OVI049221OVI049222

467
Features of your vehicle
Pre-safe seat belt warning light
(if equipped)
If the PSB indicator continuously remains
on after coming on for about 3 seconds
when you turned the engine start/stop
button to the ON position, or if the indica-
tor comes on while driving, the PSB is
not working properly. Take your vehicle to
an authorized HYUNDAI dealer and have
the system checked.
Lane departure warning
system indicator
(if equipped)
The LDWS indicator will illuminate when
you turn the lane departure warning sys-
tem on by pressing the LDWS switch.
For more information, refer to "lane
departure warning system(LDWS)" in
section 5.
Lane departure warning system mal-
function indicator (if equipped)
If the LDWS FAIL warning indicator
comes on, the LDWS is not working
properly. Take your vehicle to an author-
ized HYUNDAI dealer and have the sys-
tem checked.
OVI059016LOVI052090
LDWS

Features of your vehicle
68 4
Overspeed warning
(if equipped)
Overspeed warning light
If you drive with the speed of 120 km/h or
more, the overspeed warning light will
blink. This is to prevent you from over-
speeding.
Overspeed warning chime
If you drive with the speed of 120 km/h or
more, the overspeed warning chime will
sound for about 5 seconds. This is to pre-
vent you from overspeeding.
EPB (Electric Parking
Brake) malfunction indica-
tor
The EPB 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 turned the engine
start/stop button to the ON position, the
Electric Parking Brake is not working
properly.
If it comes on while driving, the EPB is
not working properly.
Take your vehicle to an authorized
HYUNDAI dealer and have the system
checked.
The EPB malfunction indicator may illu-
minate when the ESP indicator comes on
to indicate that the ESP is not working
properly, but if this occurs, it does not
indicate malfunction of the EPB.
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 brake
pedal, the indicator changes from white
to green.
For more information, refer to “AUTO
HOLD” in section 5.
120km/hEPBAUTO
HOLD

469
Features of your vehicle
AFLS (Adaptive Front
Lighting System)
malfunction indicator
(if equipped)
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 contin-
uously remains on, take your vehicle to
an authorized HYUNDAI dealer and have
the system checked.
SPORT mode indicator
(if equipped)
The SPORT indicator light will illuminate
when the SPORT button is pressed. It
enables you to drive dynamically. The
indicator light turns off when the SPORT
button is pressed again. The sporty driv-
ing mode returns to the normal mode.
For more information, refer to "Electronic
controlled suspension" in section 5.
ECS (Electronic Control
Suspension) malfunction
indicator (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 is
opened or closed
with 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 vehicle
or is not detected
and you press the
engine start/ stop
button, the warn-
ing illuminates on
the LCD display
for 10 seconds.
OVI049160L
OVI049162L
ECSAFLS
SPORT

Features of your vehicle
80 4
The rearview camera will activate when
the back-up light is ON with the engine
start/stop button ON and the shift lever in
the 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
(-4°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 the
OFF 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 backing
up because there is a dead zone
that can't be seen through the
camera.
• Always keep the camera lens
clean. If the lens is covered with
foreign matter, the camera may
not operate normally.
OVI049086
REARVIEW CAMERA (IF EQUIPPED)
OVI049076
OVI049077
HAZARD WARNING FLASHER

481
Features of your vehicle
Battery saver function
• The purpose of this feature is to pre-
vent the battery from being dis-
charged. The system automatically
turns off the parking 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 welcome function
(if equipped)
When the headlight is ON or AUTO posi-
tion and all doors (and trunk) are closed
and locked, if you press the door unlock
button on the smart key, the headlights
will come on for about 15 seconds. At this
time, if you press the door lock or unlock
button, the headlights will turn off imme-
diately.
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.
If the headlight switch is in the AUTO
position, the function can only operate at
night.
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 driver gets out of the vehicle
through other doors (except dri-
ver's door), the battery saver func-
tion does not operate and the head-
light escort function does not turn
off automatically. Therefore, it caus-
es the battery to be discharged. In
this case, make sure to turn off the
lamp before getting out of the vehi-
cle.
CAUTION
If the rescue mode occurs, have
your vehicle checked by an author-
ized HYUNDAI dealer as soon as
possible.

487
Features of your vehicle
AFLS (Adaptive Front Lighting
System) (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. Turn the knob
to the AUTO position when the engine is
running. The adaptive front lighting sys-
tem will operate when the headlamp is
ON. To turn off the AFLS, turn the knob to
the other position. After turning the AFLS
off, headlamp swiveling no longer occurs,
but leveling operates 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 contin-
uously remains on, take your vehicle to
an authorized HYUNDAI dealer and have
the system checked.
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 button
is 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.
OVI041088
OVI041261
OVI042261 Type A
Type B

489
Features of your vehicle
MIST( ) : For a single wiping cycle,
push the lever upward and
release it with the lever in
the OFF (O) position. The
wipers will operate continu-
ously if the lever is pushed
upward and held.
OFF (O) : 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 control
knob (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 (O) 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 B
OVI049098K
OVI049098L
R R
a a
i i
n n
s s
e e
n n
s s
o o
r r R R
a a
i i
n n
s s
e e
n n
s s
o o
r r