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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Page 722 of 844
722
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
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
onceThe electronic key
has a low battery.Replace the elec-
tronic key battery.
(P. 6 5 2 )
Interior
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Page 723 of 844
5
When trouble arises
723
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
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. 744),
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
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Page 743 of 844
5
When trouble arises
743
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
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.
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 745 of 844

5
When trouble arises
745
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
Starting the engine
Ensure that the shift lever is in P and depress the brake pedal.Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm will
sound to indicate that the start
function cannot detect the elec-
tronic key.
Press the “ENGINE START STOP” switch within 10 seconds of
the buzzer sounding, keeping the brake pedal depressed.
In the event that the “ENGINE START STOP” switch still cannot be oper-
ated, contact your Lexus dealer.
STEP1
STEP2
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted.
( P. 6 5 2 )
■Changing “ENGINE START STOP” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the
“ENGINE START STOP” switch.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 1 8 5 )
STEP3
Page 790 of 844
790
6-2. Customization
GX460_OM_OM60J63U_(U)
Customizable featuresVehicles with a navigation system: Settings that can be changed using
the screen of the navigation system
Vehicles with a navigation system: Settings that can be changed using
the menu switch and the “ENTER” switch
Vehicles without a navigation system: Settings that can be changed
using the menu switch and the “ENTER” switch
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, – =Not available
ItemFunctionDefault settingCustomized setting
Door lock
( P. 5 2 ,
74 4 )
Unlock on Sec-
ond Key Turn
(Allows all
doors to be
unlocked by
turning the
mechanical key
once in the
driver’s door)
*1
Driver’s
door
unlocked in
first step, all
doors
unlocked in
second step
All doors
unlocked in
first step
O––O