2009 Hyundai Elantra sensor

What to do in an emergency8 6
Low tire pressure tell-
tale
When the tire pressure monitoring
system warning telltale is illuminat-
ed, one or more of your tires is sig-
nificantly under-inflated.
Immediately reduce your speed,
avoid hard cornering and anticipate
increased stopping distances. You
should stop and check your tires as
soon as possible. Inflate the tires to
the proper pressure as indicated on
the vehicle’s placard or tire inflation
pressure label located on the driver’s
side center pillar outer panel. If you
cannot reach a service station or if
the tire cannot hold the newly added
air, replace the low pressure tire with
the compact spare tire. Because the
compact spare tire is not equipped
with a tire pressure sensor, the
TPMS malfunction indicator may go
on and the Low Tire Pressure telltale
still turn on after restarting and about
20 minutes of continuous driving
before you have the low-pressure tire
repaired and replaced on the vehicle.
WARNING
- Low pressure
damage
Significantly low tire pressure
makes the vehicle unstable and
can contribute to loss of vehicle
control and increased braking
distances.
Continued driving on low pres-
sure tires will cause the tires to
overheat and fail.
CAUTION
In winter or cold weather, the
low tire pressure telltale may be
illuminated if the tire pressure
was adjusted to the recom-
mended tire inflation pressure
in warm weather. It does not
mean your TPMS is malfunction-
ing because the decreased tem-
perature leads to a proportional
lowering of tire pressure.
When you drive your vehicle
from a warm area to a cold area
or from a cold area to a warm
area, or the outside temperature
is greatly higher or lower, you
should check the tire inflation
pressure and adjust the tires to
the recommended tire inflation
pressure.

69
What to do in an emergency
TPMS (Tire Pressure
Monitoring System)
malfunction indicator
The TPMS malfunction indicator
comes on and stays on when there is
a problem with the Tire Pressure
Monitoring System. If the system is
able to correctly detect an under-
inflation warning at the same time as
system failure then it will illuminate
both the TPMS malfunction and the
low tire pressure telltale e.g. If Front
Left sensor fails, the TPMS malfunc-
tion indicator comes on, but if Front
Right, Rear Left, or Rear Right tire is
under-inflated, the low tire pressure
telltale may come on with the TPMS
malfunction indicator.
Have the system checked by an
authorized HYUNDAI dealer as soon
as possible to determine the cause
of the problem.Changing a tire with TPMS
If you have a flat tire, the Low Tire
Pressure Telltale will turn on. Have
the flat tire repaired by an authorized
HYUNDAI dealer as soon as possi-
ble or replace the flat tire with the
compact spare tire.
Each wheel is equipped with a tire
pressure sensor mounted inside the
tire behind the valve stem. You must
use TPMS specific wheels. It is rec-
ommended that you always have
your tires serviced by an authorized
HYUNDAI dealer as soon as possi-
ble.
TPMS
CAUTION
NEVER use a puncture-repair-
ing agent to repair and/or inflate
a low pressure tire. If used, you
will have to replace the tire pres-
sure sensor.
CAUTION
The TPMS malfunction indica-
tor may be illuminated if the
vehicle is moving around elec-
tric power supply cable or
radio transmitter such as
police stations, government
and public offices, broadcast-
ing stations, military installa-
tions, airports, or transmitting
tower, etc. which can interfere
with normal operation of the
Tire Pressure Monitoring
System (TPMS).
The TPMS malfunction indica-
tor may be illuminated if snow
chains or some electronic
devices, such as notebook
computers, are used in the
vehicle. This can interfere with
normal operation of the Tire
Pressure Monitoring System
(TPMS).

What to do in an emergency10 6After you replace the low pressure
tire with the compact spare tire, the
TPMS malfunction indicator may illu-
minate and the low tire pressure tell-
tale still illuminate after restarting
and about 20 minutes of continuous
driving.
Once the low pressure tire is re-inflat-
ed to the recommended pressure
and installed on the vehicle, the
TPMS malfunction indicator and the
low tire pressure telltale will be extin-
guished. If the low pressure and
TPMS malfunction indicators are not
extinguished after about 20 minutes
of continuous driving, please visit an
authorized HYUNDAI dealer.
You may not be able to identify a low
tire by simply looking at it. Always use
a good quality tire pressure gauge to
measure the tire's inflation pressure.
Please note that a tire that is hot
(from being driven) will have a higher
pressure measurement than a tire
that is cold (from sitting stationary for
at least 3 hours and driven less than
1 mile (1,6 km) during that 3 hour
period). Allow the tire to cool before
measuring the inflation pressure.Always be sure the tire is cold before
inflating to the recommended pres-
sure.
A cold tire means the vehicle has
been sitting for 3 hours and driven for
less than 1 mile (1.6 km) in that 3
hour period.
WARNING
- TPMS
The TPMS cannot alert you to
severe and sudden tire dam-
age caused by external fac-
tors such as nails or road
debris.
If you feel any vehicle instabil-
ity, immediately take your foot
off the accelerator, apply the
brakes gradually and with
light force, and slowly move to
a safe position off the road.
CAUTION
Do not use any tire sealant if
your vehicle is equipped with
a Tire Pressure Monitoring
System. The liquid sealant can
damage the tire pressure sen-
sors.
In order for the system to cor-
rectlymonitor tires for under-
inflation, there should be a
total of exactly 4 sensors fit-
ted to each of the four driven
wheel positions. There should
be no other sensors in the
vehicle including spare tire
since this could cause the
system to monitor the wrong
sensors.

Maintenance24 7Replace the filter according to the
Scheduled Maintenance Section.If the vehicle is operated in extremely
dusty or sandy areas, replace the ele-
ment more often than the usual recom-
mended intervals. (Refer to
“Maintenance under severe usage condi-
tions” in this section.)
CAUTION
Do not drive with the air cleaner
removed; this will result in exces-
sive engine wear.
When removing the air cleaner fil-
ter, be careful that dust or dirt
does not enter the air intake, or
damage may result.
Use a Hyundai genuine part. Use
of nongenuine parts could dam-
age the air flow sensor.

Maintenance50 7Driver's side fuse panel
Description Fuse rating Protected component
START 10A Ignition lock switch, Antitheft alarm, Transaxle range switch
A/CON SW 10A A/C control module
HTD MIRR 10A Outside heated mirror motor
SEAT HTR 15A Seat warmer switch
A/CON 10A Blower relay, A/C control module, Sunroof control module
HEAD LAMP 10A Head lamp relay
FR WIPER 25A Front wiper relay
RR WIPER 15A (Spare)
DRL 15A Daytime running lamp unit
WCS 10A Occupant classification sensor
P/WDW DR 25A Power window main switch, Rear power window switch(LH)
CLOCK 10A Digital clock, Audio
C/LIGHTER 15A Power outlet
DR LOCK 20A Sunroof control module, Door unlock/lock relay
DEICER 15A -
STOP 15A Stop lamp switch
ROOM LP 15A Trunk room lamp, Dome lamp, Map lamp, Digital clock, Home link
AUDIO 15A Audio
T/LID 15A Trunk lid relay
AMP 25A Amplifier
SAFETY P/WDW 25A Safety power window module
P/WDW ASS 25A Front & rear power window switch(RH), Power window main switch
P/OUTLET 15A Power outlet
T/SIG 10A Hazard switch
A/BAG IND 10A Airbag indicator(instrument cluster)

Maintenance52 7Engine compartment
Description Fuse rating Protected component
ALTERNATOR 125A Generator
EPS 80A EPS control module
ABS.2 20A ESC control module, ABS control module, Multi purpose check connector
ABS.1 40A ESC control module, ABS control module, Multi purpose check connector
B+.1 50A Instrument panel junction box
Fusible link RR HTD 40A Instrument panel junction box
BLOWER 40A Blower relay
C/FAN 40A Condenser fan #1, 2 relay
B+.2 50A Instrument panel junction box
IGN.2 40A Ignition switch, Start relay
IGN.1 30A Ignition switch
ECU 30A Main relay, ECM
SPARE.1 20A (Spare)
FR FOG 15A Front fog lamp relay
A/CON 10A A/C relay
Fuse HAZARD 15A Hazard switch, Hazard relay
F/PUMP 15A Fuel pump relay
INJ 15A A/C relay, Fuel pump relay, Injector #1,2,3,4, ECM, Idle speed actuator etc.
SNSR.2 10A Pulse generator 'A', 'B’, Stop lamp switch, Vehicle speed sensor etc.
HORN 15A Horn relay

753
Maintenance
Description Fuse rating Protected component
ABS 10A ESC control module, ABS control module, Multi purpose check connector
ECU.2 10A ECM
B/UP 10A Back up lamp switch, Transaxle range switch, Cruise control module
H/LP LO RH 10A Head lamp(RH)
Fuse H/LP LO LH 10A Head lamp(LH)
H/LP HI 20A Head lamp Hi relay
SNSR.1 10A Oxygen sensor, ECM, Mass air folw sensor etc.
SPARE 10A (Spare)
SPARE 15A (Spare)
SPARE 20A (Spare)