2006 LEXUS LS430 light

334
5-2. Steps to take in an emergency
If a warning message appears...
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Warning message and lightDetails
Engine oil pressure warning
Indicates abnormal oil pressure.
This warning message may appear it the level of
engine
oil is low. The message should disappear
after checking the oil and adding oil.
If a warning message appears on the multi-information display, check to see
what the problem is and take appropriat e measures referring to the following
table.
Master warning light
Comes on or flashes when a warn -
ing message appears on the multi
information display
. (The warning
light may not come on or flash,
depending on the system. In this
case only the message will be dis -
played.)
Multi information display
1
2

5
When trouble arises
335
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Warning message and
lightDetails
(flashes)
Brake wear warning
Indicates that your brake pads have worn down
enough to require replacement.
and
VSC and TRAC warning
Indicates a malfunction in the vehicle stability
control system or the traction control system.
These systems do not work while the warning
message is displayed, however, it is no problem
to continue normal driving.
Tire pressure warning system failure warning
Indicates a malfunction in the tire pressure
w
arning system. The system does not work
while the warning message is displayed, how -
ever, it is no problem to continue normal driving.
(flashes)
Steering lock cable failure warning
Indicates that the interlock cable for the steer -
ing lock is faulty.

336
5-2. Steps to take in an emergency
Warning message and lightDetails
Electronically modulated air suspension warning
Indicates a malfunction in the electronically
modulated air suspension system. The system
is not functioning while the warning message is
displayed. However, you can continue driving
until you reach a Lexus dealer.
Lexus park assist system warning
A sensor is malfunctioning or a cable is broken.
Th
e system is not functioning while the warning
message is displayed. However, you can con -
tinue driving until you reach a Lexus dealer.
• The faulty sonar is indicated on the graphic information display.
and
(flashes)
Dynamic radar/ laser cruise control system
warning
Indicates a malfunction in the dynamic radar/
laser cruise control system or the cruise control
system. Stop your vehicle in a safe place, turn
the ignition switch off and then on again to reset
the system. If settings cannot be made or the
same warning appears again, the system may
have malfunctioned. You may continue driving,
however contact your Lexus dealer.
Pre-collision safety system warning
Indicates a malfunction in the pre-collision
safety
system. The system is not functioning
while the warning message is displayed. How -
ever, you can continue driving until you reach a
Lex
us dealer.

5
When trouble arises
337
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check
that the warning message disappears.
Warning message and lightDetailsCorrection procedures
(flashes)
Engine oil level warn-
ing
The engine oil level is
low.Check the level of engine
oil and add if necessary.
Open door warning
(Warning buzzer)*1
Check that all doors are
closed.Indicates that a door
is not fully closed.
Graphic information
also appears to let
you know which
door is open.

Open trunk-lid warn-
ing
(Warning buzzer)*1
Indicates that the
trunk-lid is not fully
closed.Check that the trunk-lid
is closed.

338
5-2. Steps to take in an emergency
Warning message and lightDetailsCorrection procedures
(flashes)
Open moon roof warn-
ing
If the driver's door is
opened with the igni-
tion switch turned off
and the moon roof is
opened.
Close the moon roof
when you leave your
vehicle.
Parking brake warning
(Warning buzzer)*1
Indicates that the
parking brake is not
released.Release the parking
brake.
Low tire pressure
warning
Tire inflation pressure
is low.Adjust the tire inflation to
the specified pressure.
Low washer fluid warn -
ing
Washer fluid level is
low.Fill the washer fluid tank.
Air conditioning filter
warning
Indicates that the air
conditioning filter is
clogged enough to
require replacement.Change the air condi-
tioning filter.

5
When trouble arises
339
5-2. Steps to take in an emergency
Warning message and lightDetailsCorrection procedures
Steering lock warning
This message comes
on when you push
the ignition switch or
insert the smart key,
and hold the switch
or key in the "LOCK"
position for more
than 3 seconds.Turn the ignition switch
from "LOCK" to "ACC"
while moving the steer-
ing wheel slightly left to
rig
ht. ( P.94
)
Lexus park assist sys-
tem warning
Foreign matter (ice,
snow, mud, etc.,) has
adhered to the sonar.Remove the foreign mat -
ter or deice the sonar.
(The faulty sonar is indi -
cated on the graphic
information display
.)

340
5-2. Steps to take in an emergency
Warning message and lightDetailsCorrection procedures
Dynamic radar/ laser
cruise control system
warning
and
Foreign matter has
adhered to the sen-
sor.
Clean the sensor and try
setting again.
and
(flashes)
• Measurement is
difficult in adverse
weather conditions.
• Driving pattern selector is in
SNOW modeChange the driving pat -
tern selector to Normal
or Power mode
Dynamic radar
cruise control -
• The wipers are
at HI speed
with the AUTO
position
selected.Stop or switch wipers to
Low or Intermittent posi -
tion.
Dynamic laser cruise
control -
• Wipers are at
HI or LOW
speed with the
AUTO posi -
tion selected.
Stop or switch wipers to
Intermittent position.
• Direct sunlight
from the front.

5
When trouble arises
341
5-2. Steps to take in an emergency
*1:Warning buzzer
A buzzer will sound and the master warnin g
light flashes if the vehicle is driven
at a speed of approximately 3 mph (5 km/h).
Warning message and lightDetailsCorrection procedures
Pre-collision system
warning
• The millimeter
radar sensor or the
grill cover is dirty.Clean the sensor cover
with a soft cloth.
• System turned off
for overheat pro -
tection because
pr
e-collision seat
belts have acti -
vated repeatedly
within a short time.
Wait for a while for the
system to reactivate.
Engine oil mainte -
nance information
(U.S.A. only)
The engine oil should
be replaced soon.
The engine oil needs
to be replaced.Replace the engine oil as
soon as possible.