Page 496 of 622

When trouble arises5
495
GS_G_U (OM30B43U)
May 1, 2009 1:17 pm
5-1. Essential informationEmergency flashers............... 496
If your vehicle needs to be towed ............................ 497
If you think something is wrong ..................................... 503
Fuel pump shut off system .................................... 504
Event data recorder ............. 505 5-2. Steps to take
in an emergency
If a warning light turns on or a warning buzzer
sounds... ................................. 507
If a warning message is displayed................................. 516
If you have a flat tire (Vehicles with standard tires) ............. 531
If you have a flat tire (Vehicles with run-flat tires)................. 541
If the engine will not start .... 542
If the shift lever cannot be shifted from “P”.................... 543
If you lose your keys .............. 544
If the electronic key does not operate properly ................. 545
If the 12 volt battery is discharged ............................ 548
If your vehicle overheats ..... 552
If the vehicle becomes stuck........................................ 555
Sec_05TOC.fm Page 495 Friday, May 1, 2009 1:17 PM
Page 511 of 622

510
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
*2: Open door warning buzzer:
→P. 5 2 1
*
3: Driver’s and front passenger’s seat belt reminder buzzer:
The driver’s and front passenger’s seat belts reminder sounds to alert the driver
and front passenger that his or her seat belt is not fastened. The buzzer sounds
intermittently for 10 seconds after the vehicle has reached a speed of at least 12
mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 20 more seconds.
Warning lightWarning light/DetailsCorrection procedure
Master warning light
A buzzer sounds and the
warning light comes on and
flashes to indicate that the
master warning system has
detected a malfunction.
Take appropriate action in
accordance with the message
displayed on the multi-infor-
mation display.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
GS_U_G.book Page 510 Monday, April 27, 2009 10:50 AM
Page 517 of 622

516
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If a warning message is displayed
Stop the vehicle immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warnings indicate the possibility of damage to
the vehicle that may lead to an acci dent. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Wa r n i n g m e s s a g eDetails
(Flashing)
Abnormal engine oil pressure.
The warning light may turn on if the engine oil pres-
sure is too low.
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Multi-information display
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.
If any of the warning li ght turns on again after performing the following
actions, contact your Lexus dealer.
GS_U_G.book Page 516 Monday, April 27, 2009 10:50 AM
Page 518 of 622
5
When trouble arises
517
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Have the vehicle inspected immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failure 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.
Wa r n i n g m e s s a g eDetails
Malfunction in the automatic headlight leveling sys-
tem.
Malfunction in the rear lights system.
(Flashing)
Malfunction in the steering lock system.
GS_U_G.book Page 517 Monday, April 27, 2009 10:50 AM
Page 519 of 622
518
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Wa r n i n g m e s s a g eDetails
(AWD models)
Malfunction in the AWD system.
(If equipped)
Intuitive parking assist malfunction.The malfunctioning sensor is shown flashing on the
display.
(If equipped)
Malfunction in the active stabilizer suspension sys-
tem.
(If equipped)
Malfunction in the PCS.
GS_U_G.book Page 518 Monday, April 27, 2009 10:50 AM
Page 522 of 622
5
When trouble arises
521
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Have the malfunction repaired immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. After taking the spec ified steps to correct the suspected
problem, check that the warning message turns off.
Wa r n i n g m e s s a g eDetailsCorrection procedure
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.
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.
GS_U_G.book Page 521 Monday, April 27, 2009 10:50 AM
Page 527 of 622
526
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Other messagesIf the following message is displayed, take appropriate action and confirm
that the message has disappeared.
MessageDetails
(If equipped)
Calibrate the neutral position of the steering wheel.
■Initializing the steering sensor
Use one of the following methods.
●With the vehicle stopped, turn the steering wheel all the way to the left and right.
(The order is not important.)
●Drive for more than 5 minutes on an un-crowded road with as few curves and
corners as possible.
If the steering guide symbol disappears, th e steering sensor has been initialized. If
the steering guide symbol does not disappear, have the vehicle checked by your
Lexus dealer.
GS_U_G.book Page 526 Monday, April 27, 2009 10:50 AM
Page 529 of 622
528
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once3 times
(Flashing)
An open door
other than the
driver’s door is
closed while the
electronic key is
outside the detec-
tion range and the
“ENGINE START
STOP” switch is in
ACCESSORY or
IGNITION ON
mode with the
shift lever in “P”.
Tu r n t h e
“ENGINE
START
STOP”
switch to
OFF or con-
firm the
location of
the elec-
tronic key.
Contin-
uousContin-
uous
(Displayed alternately)
(Flashing)
An open door
other than the
driver’s door is
closed while the
electronic key is
outside the detec-
tion range and the
“ENGINE START
STOP” switch is in
ACCESSORY or
IGNITION ON
mode with the
shift lever not in
“P”.
•Shift the shift lever
to “P”.
•Confirm
the loca-
tion of the
electronic
key.
GS_U_G.book Page 528 Monday, April 27, 2009 10:50 AM