2004 Hyundai Elantra check engine

1FEATURES OF YOUR HYUNDAI
45WARNING AND INDICATOR LIGHTS
!
B260B01A-AAT
SRS (Airbag) Service
Reminder Indicator (SRI)
The SRS service reminder indicator (SRI) comes
on and flashes for about 6 seconds after the
ignition key is turned to the "ON" position or after
the engine is started, after which it will go out.
This light also comes on when the SRS is not
working properly. If the SRI does not come on,
or continuously remains on after flashing for
about 6 seconds when you turned the ignition
key to the "ON" position or started the engine,
or if it comes on while driving, have the SRS
inspected by an authorized Hyundai Dealer.
B260P01E-GAT
ABS Service Reminder
Indicator (SRI) (If installed)
When the key is turned to the "ON" position, the
Anti-Lock Brake System will come on and then
go off after three seconds. If the ABS SRI
remains on, comes on while driving, or does not
come on when the key is turned to the "ON"
position, this indicates that there may be a
problem with the ABS.
If this occurs, have your vehicle checked by
your Hyundai dealer as soon as possible. The
normal braking system will still be operational,
but without the assistance of the anti-lock brake
system.
B260D01A-AAT
Turn Signal Indicator Lights
The blinking green arrows on the instrument
panel show the direction indicated by the turn
signals. If the arrow comes on but does not blink,
blinks more rapidly than normal, or does not
illuminate at all, a malfunction in the turn signal
system is indicated. Your dealer should be
consulted for repairs.
B260F01A-AAT
High Beam Indicator Light
The high beam indicator light comes on when-
ever the headlights are switched to high beam
of flash position.
WARNING:If the both ABS SRI and Parking Brake/
Brake fluid level warning lights remain "ON"
or come on while driving, there may be a
problem with E.B.D (Electronic brake force
distribution).
If this occurs, avoid sudden stops and have
your vehicle checked by your Hyundai dealer
as soon as possible.

1FEATURES OF YOUR HYUNDAI
46
B260G01A-AAT
Low Oil Pressure Warning Light
B260H03A-AAT
Parking Brake/Low Brake Fluid
Level Level Warning Light
CAUTION:
If the oil pressure warning light stays on
while the engine is running, serious engine
damage may result. The oil pressure warn-
ing light comes on whenever there is insuf-
ficient oil pressure. In normal operation, it
should come on when the ignition switch
is turned on, then go out when the engine
is started. If the oil pressure warning light
stays on while the engine is running, there
may be a serious malfunction.
If this happens, stop the car as soon as it is
safe to do so, turn off the engine and check
the oil level. If the oil level is low, fill the
engine oil to the proper level and start the
engine again. If the light stays on with the
engine running, turn the engine off imme-
diately. In any instance where the oil light
stays on when the engine is running, the
engine should be checked by a Hyundai
dealer before the car is driven again.
!
Warning Light Operation
The parking brake/brake fluid level warning light
should come on when the parking brake is
applied and the ignition switch is turned to "ON"
or "START". After the engine is started, the light
should go out when the parking brake is re-
leased.
If the parking brake is not applied, the warning
light should come on when the ignition switch is
turned to "ON" or "START", then go out when
the engine starts. If the light comes on at any
other time, you should slow the vehicle and bring
it to a complete stop in a safe location off the
roadway.The brake fluid level warning light indicates that
the brake fluid level in the brake master cylinder
is low and hydraulic brake fluid conforming to
DOT 3 or DOT 4 specifications should be
added. After adding fluid, if no other trouble is
found, the car should be immediately and care-
fully driven to a Hyundai dealer for inspection.
If further trouble is experienced, the vehicle
should not be driven at all but taken to a dealer
by a professional towing service or some other
safe method.
Your Hyundai is equipped with dual-diagonal
braking systems. This means you still have
braking on two wheels even if one of the dual
systems should fail. With only one of the dual
systems working, more than normal pedal travel
and greater pedal pressure are required to stop
the car. Also, the car will not stop in as short a
distance with only half of the brake system
working. If the brakes fail while you are driving,
shift to a lower gear for additional engine braking
and stop the car as soon as it is safe to do so.
!WARNING:If you suspect brake trouble, have your
brakes checked by a Hyundai dealer as
soon as possible. Driving your car with a
problem in either the brake electrical sys-
tem or brake hydraulic system is danger-
ous, and could result in a serious injury or
death.

1FEATURES OF YOUR HYUNDAI
47
B260Q01E-GATCruise Indicator Light (If Installed)
The cruise indicator light in the instrument clus-
ter is illuminated when the cruise control main
switch on the end of the barrel is pushed.
The indicator light does not illuminate when the
cruise control main switch is pushed a second
time.
Information on the use of cruise control may be
found on page 1-77.
B260J01A-AAT
Charging System Warning Light
The charging system warning light should come
on when the ignition is turned on, then go out
when the engine is running. If the light stays on
while the engine is running, there is a malfunc-
tion in the electrical charging system. If the light
comes on while you are driving, stop, turn off the
engine and check under the hood. First, make
certain the generator drive belt is in place. If it is,
check the tension of the belt.
Do this as shown on page 6-20 by pushing down
on the center of the belt. And then, have the
system checked by your Hyundai dealer.
B260K01E-GAT
Trunk Lid (4 door)/Tail Gate
(5 door) Open Warning Light
This light remains on unless the trunk lid/tail gate
is completely closed.
B260L01Y-AATDoor Ajar Warning Light
and Chime
The door ajar warning light warns you that a door
is not completely closed and the chime warns
you that driver's side front door is not completely
closed.
NOTE:To remind you not to lock the key inside the
car, the warning light comes on whenever
the key is in the "LOCK" position and a door
is open. The warning chime only sounds
whenever the key is in the "LOCK" position
and the driver's side front door is open. The
chime sounds and the light remains on
until the key is removed from the ignition.
B260M01A-AAT
Low Fuel Level Warning Light
The low fuel level warning light comes on when
the fuel tank is approaching empty. When it
comes on, you should add fuel as soon as
possible. Driving with the fuel level warning light
on or with the fuel level below "E" can cause the
engine to misfire and damage the catalytic
converter.
B260E02O-AAT
Seat belt reminder light
and chime
The seat belt reminder light blinks until your seat
belt is fastened when the ignition key is turned
from the "OFF" position to "ON" or "START".
And the warning chime will sound for 6 seconds.

1FEATURES OF YOUR HYUNDAI
49
!
B290A02A-AAT
ENGINE COOLANT TEMPERATURE
GAUGE
WARNING:
Never remove the radiator cap when the
engine is hot. The engine coolant is under
pressure and could erupt and cause severe
burns. Wait until the engine is cool before
removing the radiator cap.
The needle on the engine coolant temperature
gauge should stay in the normal range. If it
moves across the dial to "H" (Hot), pull over and
stop as soon as possible and turn off the engine.
Then open the hood and, after the engine has
cooled, check the coolant level and the water
pump drive belt. If you suspect cooling system
trouble, have your cooling system checked by
a Hyundai dealer as soon as possible.
B300A01S-AAT
SPEEDOMETER
Your Hyundai's speedometer is calibrated in
miles per hour (on the outer scale) and kilome-
ters per hour (on the inner scale).
HXDFL290
HXDFL283
Without Trip Computer
With Trip ComputerWithout Trip Computer
HXDFL030-A
HXDFL029-A
With Trip Computer

1FEATURES OF YOUR HYUNDAI
71
B990A03Y-AAT
FLOOR MAT ANCHOR
To use a floor mat on the front floor carpet, make
sure it attaches to the floor mat anchor in your
vehicle. This keeps the floor mat from sliding
forward.
HXGS263
!
2. Pull the secondary catch lever up and lift the
hood.
3. Hold the hood open with the support rod.
Before closing the hood, return the support rod
to its clip to prevent it from rattling. Lower the
hood until it is about 1 ft. (30 cm) above the
closed position and let it drop. Make sure that it
locks into place.
WARNING:o 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 driven,
causing a total loss of visibility, which
might result in an accident.
o The support rod must be inserted com-
pletely into the hole provided in the
hood whenever you inspect the engine
compartment. This will prevent the hood
from falling and possibly injuring you.
o Do not move the vehicle with the hood
in the raised position, as vision is ob-
structed and the hood could fall or be
damaged.
!CAUTION:Make sure that the support rod has been
released prior to closing the hood.
B570A02E-AAT
1. Pull the release knob to unlatch the hood.
HOOD RELEASE
HXD570
HXDFL570-A

2DRIVING YOUR HYUNDAI
2
!WARNING: ENGINE EXHAUST CAN BE DANGEROUS!
C010A02A-AATEngine exhaust fumes can be extremely dangerous. If, at any time, you smell exhaust fumes inside the vehicle, open the windows immediately.
o Do not inhale exhaust fumes.
Exhaust fumes contain carbon monoxide, a colorless, odorless gas that can cause unconsciousness and death by asphyxiation.
o Be sure the exhaust system does not leak.
The exhaust system should be checked whenever the vehicle is raised to change the oil or for any other purpose. If you hear a change
in the sound of the exhaust or if you drive over something that strikes the underneath side of the car, have the exhaust system checked
as soon as possible by your Hyundai dealer.
o Do not run the engine in an enclosed area.
Letting the engine idle in your garage, even with the garage door open, is a hazardous practice. Never run the engine in your garage any
longer than it takes to start the engine and back the car out.
o Avoid idling the engine for prolonged periods with people inside the car.
If it is necessary to idle the engine for a prolonged period with people inside the car, be sure to do so only in an open area with the air intake
set at "Fresh" and fan operating at one of the higher speeds so fresh air is drawn into the interior.
If you must drive with the trunk /tail gate open because you are carrying objects that make this necessary:
1. Close all windows.
2. Open side vents.
3. Set the air intake control at "Fresh", the air flow control at "Floor" or "Face" and the fan at one of the higher speeds.
To assure proper operation of the ventilation system, be sure the ventilation air intakes located just in front of the windshield are kept clear
of snow, ice, leaves or other obstructions.
!PROPOSITION 65 WARNING:Engine exhaust and a wide variety of automobile components and parts, including components found in the interior furnishings
in a vehicle, contain or emit chemicals known to the State of California to cause cancer and birth defects and reproductive harm.
In addition, certain fluids contained in vehicles and certain products of component wear contain or emit chemicals known to
the State of California to cause cancer and birth defects or other reproductive harm.

2DRIVING YOUR HYUNDAI
3TO START THE ENGINEKEY POSITIONSBEFORE STARTING THE ENGINE
!
C020A01A-AAT
Before you start the engine, you should always:
1. Look around the vehicle to be sure there are
no flat tires, puddles of oil, water or other
indications of possible trouble.
2. After entering the car, check to be sure the
parking brake is engaged.
3. Check that all windows, and lights are clean.
4. Check that the interior and exterior mirrors
are clean and in position.
5. Check your seat, seatback and headrest to
be sure they are in their proper positions.
6. Lock all the doors.
7. Fasten your seat belt and be sure that all
other occupants have fastened theirs.
8. Turn off all lights and accessories that are
not needed.
9. When you turn the ignition switch to "ON",
check that all appropriate warning lights are
operating and that you have sufficient fuel.
10.Check the operation of warning lights and all
bulbs when key is in the "ON" position.
C030A01A-AAT
COMBINATION IGNITION SWITCH
o If your Hyundai is equipped with a manual
transaxle, place the shift lever in neutral and
depress the clutch pedal fully.
o If your Hyundai has an automatic transaxle,
place the shift lever in "P" (park).
o To start the engine, insert the ignition key and
turn it to the "START" position. Release it as
soon as the engine starts. Do not hold the
key in the "START" position for more than 15
seconds.
NOTE:o For safety, the engine will not start if the
clutch pedal is not depressed fully
(Manual Transaxle) or the shift lever is
not in "P" or "N" Position (Automatic
Transaxle).
o The ignition key cannot be turned from
"ACC" position to "LOCK" position un-
less the shift lever is in the "P" (Park)
position or the negative battery terminal
is disconnected from the battery. To
remove the key, always confirm that the
shift lever is securely positioned in "P"
(Park) (For Automatic Transaxle)
o For additional information about start-
ing, see page 2-4.
C040A01A-AAT
WARNING:The engine should not be turned off or the
key removed from the ignition key cylinder
while the vehicle is in motion. The steering
wheel is locked by removing the key.
o "START"
The engine is started in this position. It will crank
until you release the key.
C040A01E-1
LOCKACC
ON
START

2DRIVING YOUR HYUNDAI
9
!
C090I02Y-AAT
CAUTION:o Shift into "R" and "P" position only when
the vehicle has completely stopped.
o Do not accelerate the engine in reverse
or any of the forward positions with the
brakes applied.
o Always apply the footbrake when shift-
ing from "P" or "N", to "R", "D", "3", "2"
or "L" position.
o Do not use the "P" (Park) position in
place of the parking brake. Always set
the parking brake, shift the transaxle
into "P" (Park) position and turn off the
ignition when you leave the vehicle, even
momentarily. Never leave the vehicle un-
attended while the engine is running.
o Check the automatic transaxle fluid level
regularly, and add fluid as necessary.
See the maintenance schedule for the
proper fluid recommendation.
C090F01A-AAT
o 2 (Second gear):
Use for driving on a slippery road, hill climbing
or engine braking downhill. "2" automatically
shifts between first and second gears.
This means that no shift-up to 3rd gear is
performed. However, the shift-up to third gear
is done when the car speed exceeds a certain
value to prevent the engine from over-revving.
Manually move the selector to "D" returning to
normal driving condition.
C090G01A-AATo L (Low gear):
Use for driving up a very steep grade or for
engine braking when descending steep hills.
When downshifting to "L", the transaxle will
temporarily remain in second gear until the
vehicle has slowed enough for low gear to
engage. Do not exceed 31 mph (50 km/h) in low
gear.
C090H01Y-AAT
NOTE:o For smooth and safe operation, depress
the brake pedal when shifting from "Neu-
tral" position or "Park" position to a
forward or reverse gear.
o The ignition key must be in the "ON"
position and the brake pedal fully de-
pressed in order to move the shift lever
from the "P" (Park) position to any of the
other positions.
o It is always possible to shift from "R",
"N", "D", "3", "2", "L" position to "P"
position. The vehicle must be fully
stopped to avoid transaxle damage.