key Lexus GX460 2010 Operating Other Driving Systems / LEXUS 2010 GX460 (OM60E69U) Repair Manual

When trouble arises5
673
GX460_U.S.A. (OM60E69U)
5-1. Essential informationEmergency flashers ............... 674
If your vehicle needs 
to be towed ............................ 675
If you think something is 
wrong ....................................... 681
Fuel pump shut off  system..................................... 682
Event data recorder.............. 683
5-2. Steps to take in 
an emergency
If a warning light turns 
on or a warning buzzer 
sounds... ................................. 686
If a warning message is 
displayed................................ 698
If you have a flat tire............... 720
If the engine will not start .... 734
If the shift lever cannot be 
shifted from P ....................... 736
If you lose your keys ............... 737
If the electronic key does 
not operate properly.......... 738
If the vehicle battery is 
discharged .............................. 741
If your vehicle overheats ...... 744
If the vehicle becomes 
stuck......................................... 747

5
When trouble arises
709
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Have the malfunction repaired immediately.After taking the specified steps to correct the suspected problem, check
that the warning message and light go off.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Sounds
once
(Flashes)
The electronic key
is not detected
when an attempt
is made to start
the engine.
Confirm the loca-
tion of the elec-
tronic key.

710
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Sounds
onceSounds
3 times
(Flashes)
The electronic key
was carried out-
side the vehicle
and a door other
than the driver’s
door was opened
and closed while
the “ENGINE
START STOP”
switch was in a
mode other than
off.
Bring the elec-
tronic key back
into the vehicle.
The driver’s door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
in P and the
“ENGINE START
STOP” switch was
not turned off.
Tu r n t h e
“ENGINE START
STOP” switch off
or bring the elec-
tronic key back
into the vehicle.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
711
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Sounds
onceSounds
once
(Displayed alternately)(Flashes)
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the “ENGINE
START STOP”
switch off.
Tu r n t h e
“ENGINE START
STOP” switch off
and lock the
doors again.
Sounds
once
(Flashes)
An attempt was
made to start the
engine without
the electronic key
being present, or
the electronic key
was not function-
ing normally. 
An attempt was
made to drive
when the regular
key was not inside
the vehicle.
Confirm that the
electronic key is
inside the vehicle.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

712
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Con-
tinuous
(Flashes)
The driver’s door
was opened when
the shift lever was
not in P and the
“ENGINE START
STOP” switch was
not turned off.
Shift the shift lever
to P.
Con-
tinuousCon-
tinuous
(Displayed alternately)(Flashes)
The driver’s door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
not in P and the
“ENGINE START
STOP” switch was
not turned off.
• Shift the shift lever to P.
• Bring the elec- tronic key back
into the vehicle.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
713
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Sounds
onceCon-
tinuous
(Flashes)
An attempt was
made to lock the
doors using the
smart access sys-
tem with push-
button start while
the electronic key
was still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.An attempt was
made to lock
either front door
by opening a door
and putting the
inside lock button
into the lock posi-
tion, then closing
the door by pull-
ing on the outside
door handle with
the electronic key
still inside the
vehicle.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

714
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Sounds
once
(Flashes)
•When the doors were unlocked
with the
mechanical key
and then the
“ENGINE
START STOP”
switch was
pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic key could not be
detected in the
vehicle even
after the
“ENGINE
START STOP”
switch was
pressed two
consecutive
times.
Touch the elec-
tronic key to the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

716
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)

Po w e r w a s t u r n e d
off due to the
automatic power
off function.
Next time when
starting the
engine, increase
the engine speed
slightly and main-
tain that level for
approximately 5
minutes to
recharge the bat-
tery.
Sounds
onceThe electronic key
has a low battery.Replace the elec-
tronic key battery.
(P. 6 4 2 )
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
717
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Sounds
once
(Flashes)
The driver’s door
was opened and
closed with the
“ENGINE START
STOP” switch
turned off and
then the
“ENGINE START
STOP” switch was
put in ACCES-
SORY mode
twice without the
engine being
started.
Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
During an engine
starting proce-
dure in the event
that the elec-
tronic key was not
functioning prop-
erly (P. 7 3 8 ) ,
the “ENGINE
START STOP”
switch was
touched with the
electronic key.
Press the
“ENGINE START
STOP” switch
within 10 seconds
of the buzzer
sounding.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
737
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other
key and the key number stamped on your key number plate.