warning Lexus ES350 2008 Workshop Manual

372
5-2. Steps to take in an emergency
ES350_U_(L/O_0708)
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of
vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat,
change to the spare tire and have the flat tire repaired by your Lexus dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not active immediately.
NOTICE
■Precaution when installing a different tire
When a tire of a different specification or maker is installed, the tire pressure warn-
ing system may not operate properly.

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373
5-2. Steps to take in an emergency
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If a warning message is displayed
Stop the vehicle immediately.The following warnings indicate the possibility of damage to the vehicle
that may lead to an accident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Warning messageDetails
(Flashing)
Indicates an abnormal engine oil pressure. A buzzer also sounds.
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning message turns on again after performing the fol-
lowing actions, contact your Lexus dealer.

374
5-2. Steps to take in an emergency
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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 messageDetails
(Flashing)
Indicates a malfunction in the steering lock system. A buzzer also sounds.
(If equipped)
Indicates a malfunction in the pre-collision system.A buzzer also sounds.

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5-2. Steps to take in an emergency
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Warning messageDetails
(If equipped)
Indicates intuitive parking assist malfunction.A buzzer also sounds.
The malfunctioning assist-sensor is shown flashing on
the display.
(Flashing)
(Flashing)
(If equipped)
Indicates a malfunction in the radar cruise control
system. A buzzer also sounds.
Stop the vehicle in a safe place. Switch the “ENGINE
START STOP” switch to OFF and then to IGNITION
ON mode again to reset the cruise control system.
Indicates a malfunction in the TRAC and VSC sys-
tems.

376
5-2. Steps to take in an emergency
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Follow the correction procedure.After taking the specified steps to correct the suspected problem, check
that the warning message turns off.
Warning messageDetailsCorrection procedure
Indicates that one or
more of the doors is not
fully closed. The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more of
the doors is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Make sure that all of the
doors are closed.
Indicates that the hood is
not fully closed.
flashes and a
buzzer sounds to indi-
cate that hood is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Close the hood.

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5-2. Steps to take in an emergency
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Warning messageDetailsCorrection procedure
Indicates that the trunk is
not fully closed. flashes and a
buzzer sounds to indi-
cate that trunk is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Close the trunk.
(Flashing)
Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch
OFF and the driver’s
door opened). A buzzer also sounds.
Close the moon roof.
(Flashing)
Indicates that the parking
brake is still engaged
(with the vehicle having
reached a speed of more
than 3 mph [5 km/h]).A buzzer also sounds.
Release the parking
brake.
Indicates that the washer
fluid level is low.A buzzer also sounds.
Add washer fluid.

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5-2. Steps to take in an emergency
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Warning messageDetailsCorrection procedure
Indicates that engine oil
level is low.A buzzer also sounds.Check the level of engine
oil, and add if necessary.
(USA only)
Indicates that the engine
oil is scheduled to be
changed.
A buzzer also sounds.
Check and the engine oil,
and change if necessary.
Comes on approximately
4500 miles (7200 km)
after the engine oil is
changed. (The indicator
will not work properly
unless the oil mainte-
nance data has been
reset.)
(USA only)
Indicates that the engine
oil should be changed.A buzzer also sounds.
Check and change the
engine oil.Comes on approximately
5000 miles (8000 km)
after the engine oil is
changed (and the oil
maintenance data has
been reset).

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5-2. Steps to take in an emergency
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Warning messageDetailsCorrection procedure
(Flashing)
(If equipped)
Indicates that the pre-
collision system is not
currently functional. A buzzer also sounds.
Clean the grille and the
sensor.This message appears
when the pre-collision
system is hot. In this case,
wait until the system
cools down.
(If equipped)
Indicates that the sensor
of intuitive parking assist
is dirty or covered with
ice.A buzzer also sounds.
Clean the sensor.
(If equipped) (Flashing)
(Flashing)
Indicates that the radar
cruise control sensor is
dirty or covered with ice.A buzzer also sounds.
Clean the sensor.

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5-2. Steps to take in an emergency
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Warning messageDetailsCorrection procedure
(Flashing and then con-tinuously on)
(Flashing)
(If equipped)
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
because the windshield
wipers are set at high
speed operation mode. A buzzer also sounds.
Turn them off or set them
to either the intermittent
or the slow mode.
(Flashing)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode). A buzzer also sounds.
Slow the vehicle by apply-
ing the brakes.
■Changing the engine oil (USA only)
Make sure to reset the oil change system. ( →P. 303)
■Warning light display in radar cruise mode
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance closes.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed

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5-2. Steps to take in an emergency
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Follow the correction procedure for problem in smart access system with push-button start.
After taking the specified steps to correct the suspected problem, check
that the warning message turns off.
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection
procedure
Once
(Comes on for 8 seconds.)
(Flashing)
Indicates that an
attempt was made
to start the engine
without the elec-
tronic key being
present, or the
electronic key was
not functioning
normally.
Start the engine
with the elec-
tronic key
present.
*
Once3 times
(Flashing)
Indicates that a
door other than
the driver’s door
has been opened
and closed with
the “ENGINE
START STOP”
switch in any
mode other than
OFF and the elec-
tronic key outside
of the detection
area.
Confirm the loca-
tion of the elec-
tronic key.