Page 717 of 844
5
When trouble arises
717
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
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.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Page 719 of 844
5
When trouble arises
719
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
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 with the
electronic key still
inside the vehicle.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Page 720 of 844
720
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
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.
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procedure
Page 724 of 844
724
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
Sounds
once
(Flashes)
The steering lock
could not be
released within 3
seconds of the
“ENGINE START
STOP” switch
being pressed.
Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal
and moving the
steering wheel left
and right.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Page 741 of 844

5
When trouble arises
741
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
Emergency start function
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” 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 malfunctioning. Have the vehicle inspected by your Lexus dealer.
■ The starter motor does not turn over, interior lights and headlights
do not turn on, or the horn does not sound
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. 74 6 )
● 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.
STEP1
STEP2
STEP3
STEP4
Page 742 of 844
742
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake, 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
immediately.
The following steps may be used as an emergency measure to ensure that
the shift lever can be shifted:
Set the parking brake.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or tool.
Press the shift lock override but-
ton.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
STEP5
Page 744 of 844
744
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key (P. 2 8 )
in order to perform the following
operations (driver’s door only):
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks the door
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)
*
*
: This setting must be customized at your Lexus dealer.
If communication between the electron ic key and vehicle is interrupted
( P. 41) or the electronic key cannot 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 or
the engine can be started by following the procedure below.
Page 752 of 844
752
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow:
Stop the engine. Set the parking brake and shift the shift lever
to P.
Remove the mud, snow, or sand from around the stuck tire.
Place wood, stones or some ot her material to help provide
traction under the tires.
Restart the engine.
Lock the center differential. ( P. 327)
Release the parking brake and shif t the shift lever to the D or R
position and carefully apply the accelerator to free the vehicle.
Turn off TRAC and VSC if these functions are hampering your
attempts to free the vehicle. (P. 3 4 2 )
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6