Page 512 of 624

5107-2. Steps to take in an emergency
GX 460 _O M_ OM6 0K 80 U_ (U)
*1: Open door warning buzzer: → P. 5 1 6
*2: Seat belt reminders:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to IGNITION ON mode, the buzzer
sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer
sounds once. If the seat belt is still unfast ened after 30 seconds, the buzzer will sound
intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 20 more seconds.
The front passenger’s seat belt buzzer sounds to alert the front passenger that his or
her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 30 seconds, the buzzer will
sound intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 20 more seconds.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front airbag sensors, side
and curtain shield airbag sensors, rear side and curtain shield airbag sensors, floor sen-
sor, driver’s seat belt buckle switch, front passenger occupant classification system (ECU
and sensors), “AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front pas-
senger’s seat belt buckle switch, seat belt pretensioner assemblies, airbags, intercon-
necting wiring and power sources. ( →P. 3 4 )
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the warn-
ing light may not operate properly.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon as
possible.
■If the low speed four-wheel drive indicator light or the center differential lock indicator
light blinks
Take the specified steps. ( →P. 3 3 2 )
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Page 520 of 624
5187-2. Steps to take in an emergency
GX 460 _O M_ OM6 0K 80 U_ (U)
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert) systemA buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in the steering lock system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the pre-collision system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates abnormal engine oil pressure
The warning light may come on if the engine oil pres-
sure is too low.
A buzzer also sounds.
→ 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/Actions
(Flashes)
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5237-2. Steps to take in an emergency
GX 460 _O M_ OM6 0K 80 U_ (U)
7
When trouble arises
Interior buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
Once 3 times 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 switch
was in a mode other than off.
→
Bring the electronic 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 switch was not
turned off.
→ Turn the engine switch off.
Bring the electronic key back
into the vehicle.
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the engine switch off.
→Turn the engine switch off and
lock the doors again.
Once
• An attempt was made to start the
engine without the electronic key
being present, or the electronic
key was not functioning 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.
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)
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Page 526 of 624

5247-2. Steps to take in an emergency
GX 460 _O M_ OM6 0K 80 U_ (U)
Con-
tinuous
The driver’s door was opened when
the shift lever was not in P and the
engine switch was not turned off.
→Shift the shift lever to P.
Con-
tinuousCon-
tinuous
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 switch was
not turned off.
→Shift the shift lever to P.
→ Bring the electronic key back
into the vehicle.
OnceContin-
uous
• An attempt was made to lock
either front door by opening a
door and putting the inside lock
button into the lock position, then
closing the door with the elec-
tronic key still inside the vehicle.
• 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 electronic key
from the vehicle and lock the
doors again.
Once
• When the doors were unlocked
with the mechanical key and then
the engine 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 switch was pressed
two consecutive times.
→ Touch the electronic key to the
engine switch while depressing
the brake pedal.
Interior
buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)
(Flashes)
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5257-2. Steps to take in an emergency
GX 460 _O M_ OM6 0K 80 U_ (U)
7
When trouble arises
Power was turned off due to the
automatic power off function.
→ Next time when starting the
engine, increase the engine
speed slightly and maintain that
level for approximately 5 min-
utes to recharge the battery.
OnceThe electronic key has a low battery.
→Replace the electronic key bat-
tery. ( →P. 4 7 9 )
Once
The driver’s door was opened and
closed with the engine switch turned
off and then the engine switch was
put in ACCESSORY mode twice
without the engine being started.
→ Press the engine switch while
depressing the brake pedal.
During an engine starting proce-
dure in the event that the electronic
key was not functioning properly
(→ P. 543), the engine switch was
touched with the electronic key.
→ Press the engine switch within
10 seconds of the buzzer sound-
ing.
Once
The steering lock could not be
released within 3 seconds of the
engine switch being pressed.
→Press the engine switch while
depressing the brake pedal and
moving the steering wheel left
and right.
Interior
buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)
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5417-2. Steps to take in an emergency
GX 460 _O M_ OM6 0K 80 U_ (U)
7
When trouble arises
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. ( →P. 545)
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the following steps can be used as an interim
measure to start the engine if the engine switch is functioning normally.
Set the parking brake.
Put the shift lever in P.
Set the engine switch to the ACCESSORY mode.
Push and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle inspected by your Lexus dealer.
The starter motor does not turn over , the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4
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Page 544 of 624
542
GX 460 _O M_ OM6 0K 80 U_ (U)7-2. Steps to take in an emergency
If the shift lever cannot be shifted from P
Set the parking brake.
Turn the engine switch to ACCESSORY mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or tool.
Press the shift lock override button.
The shift lever can be shifted while the
button is pressed.
If the shift lever cannot be shifted with your foot on the brake pedal, there may
be a problem with the shift lock system (a system to prevent accidental opera-
tion of the shift lever). Have the vehicle inspected by your Lexus dealer, imme-
diately.
The following steps may be used as an emergency measure to ensure that the
shift lever can be shifted:
1
2
3
4
5
GX460_OM_OM60K80U_(U).book Page 542 Wednesday, July 3, 2013 11:40 AM
Page 545 of 624

543
GX 460 _O M_ OM6 0K 80 U_ (U)
7
When trouble arises
7-2. Steps to take in an emergency
If the electronic key does not operate properly
Use the mechanical key (→P. 8 9 ) i n
order to perform the following opera-
tions (driver’s door only):
Locks all the doors
Closes the windows and moon roof
*
(turn and hold)
Unlocks the doors
Turning the key rearward unlocks the
driver’s door. Turning the key once again
unlocks the other doors.
Opens the windows and moon roof*
(turn and hold)
*: These settings must be customized at your Lexus dealer.
If communication between the electronic key and vehicle is interrupted
(→ P. 110) or the electronic key cann ot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors can be opened and
the engine can be started by following the procedure below.
Locking and unlocking the door s and key linked functions
1
2
3
4
GX460_OM_OM60K80U_(U).book Page 543 Wednesday, July 3, 2013 11:40 AM