check engine Hyundai Equus 2015 User Guide

Features of your vehicle
48 4
STEERING WHEEL
Power steering
Power steering uses energy from the
engine to assist you in steering the
vehicle. If the engine is off or if the
power steering system becomes
inoperative, the vehicle may still be
steered, but it will require increased
steering effort.
Should you notice any change in the
effort required to steer during normal
vehicle operation, we recommend
that the system be checked by an
authorized HYUNDAI dealer.
Electronic Hydraulic Power
Steering (EHPS)
EHPS uses an electromotor to assist
you in steering the vehicle. It senses
the vehicle speed and road condition.
If the engine is off or if the power
steering system becomes inoperative,
the vehicle may still be steered, but it
will require increased steering effort.
Should you notice any change in the
effort required to steer during normal
vehicle operation, we recommend
that the system be checked by an
authorized HYUNDAI dealer.
✽NOTICE
If the power steering drive belt
breaks or if the power steering
pump malfunctions, the steering
effort will greatly increase.
✽NOTICE
If the vehicle is parked for extended
periods outside in cold weather
(below -10°C/14°F), the power steer-
ing may require increased effort
when the engine is first started. This
is caused by increased fluid viscosity
due to the cold weather and does not
indicate a malfunction.
When this happens, increase the
engine RPM by depressing accelera-
tor until the RPM reaches 1,500 rpm
then release or let the engine idle for
two or three minutes to warm up the
fluid.
CAUTION
Never hold the steering wheel
against a stop (extreme right or
left turn) for more than 5 sec-
onds with the engine running.
Holding the steering wheel for
more than 5 seconds in either
position may cause damage to
the power steering pump.

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Features of your vehicle
Check steering wheel lock system
• This warning message illuminates
if the steering wheel does not lock
normally when the Engine
Start/Stop Button changes to the
OFF position.
Align steering wheel
• This warning message illuminates
if you start the engine when the
steering wheel is turned to more
than 90 degrees to the left or right.
• It means that you should turn the
steering wheel and make the angle
of the steering wheel be less than
30 degrees.
Door / Hood / Trunk Open
• It means that any door, hood, or
trunk is open.
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Features of your vehicle
84 4
Sunroof Open (if equipped)
• This warning message illuminates
if you turn off the engine when the
sunroof is open.
Window Open
This warning message illuminates if
you turn off the engine when any
window is open.
Check fuse "BRAKE SWITCH"
• This warning message illuminates
if the brake switch fuse is discon-
nected.
• It means that you should replace
the fuse with a new one. If that is
not possible, you can start the
engine by pressing the Engine
Start/Stop Button for 10 seconds in
the ACC position.
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485
Features of your vehicle
Turn on "FUSE SWITCH"
• This warning message illuminates
if the fuse switch under the steer-
ing wheel is OFF.
• It means that you should turn the
fuse switch on.
❈For more details, refer to “Fuses”
in chapter 7.
Low Tire Pressure
• This warning message illuminates
if the tire pressure is low with the
Engine Start/Stop Button in ON
position.
❈For more details, refer to "Tire
Pressure Monitoring System
(TPMS)" in chapter 6.
Check Fuel Cap
• This warning message illuminates
if the fuel filler cap is opened or is
not tightened securely. Tighten the
fuel filler cap securely.
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487
Features of your vehicle
Service Engine Immediately
• This warning message illuminates
if there is a malfunction with the
engine. And the vehicle speed is
limited. We recommend that the
vehicle be inspected by an author-
ized HYUNDAI dealer.
Check LED Headlamp Fan
(if equipped)
• This warning message illuminates
if there is a malfunction with the
cooling fan of the LED headlamp.
We recommend that the vehicle be
inspected by an authorized
HYUNDAI dealer.
Check LED Headlamp
(if equipped)
• This warning message illuminates if
there is a malfunction with the LED
headlamp. We recommend that the
vehicle be inspected by an author-
ized HYUNDAI dealer.
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495
Features of your vehicle
Parking Brake & Brake
Fluid 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 3
seconds
- 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 illuminates
with 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, we recommend that
you have the 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.

Features of your vehicle
98 4
Charging System
Warning Light
This warning light illuminates:
• Once you set the ignition switch or
Engine Start/Stop Button to the ON
position.
- It remains on until the engine is
started.
• When there is a malfunction with
either the alternator or electrical
charging system.If there is a malfunction with either the
alternator or electrical charging system:
1. Drive carefully to the nearest safe
location 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, we recommend that
you have the vehicle inspected by
an authorized HYUNDAI dealer as
soon as possible.
Engine Coolant
Temperature Warning
Light
This warning light illuminates:
• When the engine coolant tempera-
ture is above 120°C (248°F). This
means that the engine is overheat-
ed and may be damaged.
If your vehicle is overheated, refer
to “Overheating” in chapter 6.
CAUTION - Engine
Overheating
Do not continue driving with the
engine overheated. Otherwise
engine may be damaged.

499
Features of your vehicle
Engine Oil Pressure
Warning Light
This warning light illuminates:
• Once you set the ignition switch or
Engine Start/Stop Button to the ON
position.
- It remains on until the engine is
started.
• 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 available,
we recommend that you have the
vehicle inspected by an authorized
HYUNDAI dealer as soon as possi-
ble.
Low Fuel Level Warning
Light
This warning light illuminates:
When the fuel tank is nearly empty.
If the fuel tank is nearly empty:
Add fuel as soon as possible.
CAUTION - Engine Oil
Pressure
Warning light
•
If the engine does not stop
immediately after the Engine
Oil Pressure Warning Light is
illuminated, severe damage
could result.
•If the warning light stays on
while the engine is running, it
indicates that there may be
serious engine damage or
malfunction. 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 oil
level is low, fill the engine
oil to the proper level.
3. Start the engine again. If the
warning light stays on after
the engine is started, turn
the engine off immediately.
In this case, we recommend
that you have the vehicle
inspected by an authorized
HYUNDAI dealer.
CAUTION - Low Fuel
Level
Driving with the Low Fuel Level
warning light on or with the fuel
level below “E” can cause the
engine to misfire and damage
the catalytic converter (if
equipped).

4111
Features of your vehicle
The parking assist system assists
the driver during movement of the
vehicle by chiming if any object is
sensed within the distance of 100 cm
(39 in.) in front and 120 cm (47 in.)
behind the vehicle.This system is a supplemental sys-
tem and it is not intended to nor does
it replace the need for extreme care
and attention of the driver.
The sensing range and objects
detectable by the sensors are limit-
ed. Whenever moving pay as much
attention to what is in front and
behind of you as you would in a vehi-
cle without a parking assist system.
Operation of the parking
assist system
Operating condition
• This system activates when the
parking assist button is pressed with
the engine start/stop button ON.
PARKING ASSIST SYSTEM
WARNING
The parking assist system
should only be considered as a
supplementary function. The
driver must check the front and
rear view. The operational func-
tion of the parking assist system
can be affected by many factors
and conditions of the surround-
ings, so the responsibility rests
always with the driver.
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Sensor
■Front
■ Rear
Sensor
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■Type A
■Type B

Features of your vehicle
116 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 (Reverse) posi-
tion.
✽NOTICE
The rearview camera may not oper-
ate normally, when you drive in
extremely high or low temperature
area. (operating temperature: -20°C
~ 65°C (-4°F ~ 149°F))
REARVIEW CAMERA (IF EQUIPPED)
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WARNING
• This system is a supplemen-
tary function only. It is the
responsibility of the driver to
always check the inside/out-
side 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 cam-
era may not operate normally.