2015 LEXUS LS600H key

5177-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (P. 5 2 6 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( P. 8 8 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctio ning due to an electrical problem
such as electronic key battery de pletion or a blown fuse. However,
depending on the type of malfuncti on, an interim measure is available
to start the hybrid system. ( P. 5 1 8 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 5 2 7 )
●The 12-volt battery terminal connecti ons may be loose or corroded.
If the hybrid system will not start
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perf orm the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 2 1 6 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

5247-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
Use the mechanical key built in to the electronic keys to operate the
doors. ( P. 121)
■Doors
Remove the cover on the
driver’s door handle.
Locks and unlocks the doorsLocks all the doors
Closes the windows and
moon roof (turn and hold)
Unlocks the door
Turning the key rearward
unlocks the driver’s door. Turn-
ing the key once again unlocks
the other doors.
Opens the windows and
moon roof (turn and hold)
If the electronic key does not operate properly
If communication between the ele ctronic key and vehicle is inter-
rupted ( P. 134) 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 us ed. In such cases, the doors and
trunk can be opened and the hybrid system can be started by following
the procedure below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
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5257-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
After the operation is com-
pleted, reinstall the cover.
Hook the upper claw of the
cover onto the upper catch on
the vehicle side, and then push
on the lower side of the cover.
Make sure that the lower claw of
the cover is securely fastened to
the lower catch on the vehicle side.
If the cover is not securely
attached, it may fall off while driv-
ing.
■Trunk
Turn the mechanical key clock-
wise to open.
3

5267-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of
the electronic key to the power
switch.
If any of the doors is opened or closed
after the key was touched to the
switch to start the vehicle, an alarm
will sound to indicate that the start
function cannot detect the key.
Press the power switch within 10 seconds of the buzzer sounding,
keeping the brake pedal depressed.
In the event that the hybrid system still cannot be started, contact your
Lexus dealer.
■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when stop-
ping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary meas ure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted. ( P. 4 7 2 )
■Changing power switch modes
Within 10 seconds of the buzzer soundi ng, release the brake pedal and press the
power switch.
The hybrid system does not start and modes will be changed each time the switch is
pressed. ( P. 2 1 7 )
Starting the hybrid system
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CAUTION
■When using the mechanical key and operating the power windows and moon
roof
Operate the power window or moon roof af ter checking to make sure that there is
no possibility of any passenger having any of their body parts caught in the window
or moon roof.
Also, do not allow children to operate the mechanical key. It is possible for children
and other passengers to get caught in the power window or moon roof.
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5277-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
If you have a set of jumper (or booster) cables and a second vehicle with a
12-volt battery, you can jump start your vehicle by following the steps
below.
Open the trunk lid and remove the 12-volt battery cover. ( P. 450)
In the event that the trunk opener cannot be used, use the mechanical key to open
the trunk. ( P. 5 2 4 )
Connect the jumper cables according to the following procedure:
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Negative (-) battery terminal on your vehicle
Start the engine of the second ve hicle. Increase the engine speed
slightly and maintain at that le vel for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Open and close any of th e doors of your vehicle with the power switch
off.
If the 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the
12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
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5287-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
Maintain the engine speed of the second vehicle and start the hybrid
system of your vehicle by turning the power switch to ON mode.
Make sure the “READY” indicator co mes on. If the indicator does not
come on, contact your Lexus dealer.
Once the hybrid system has started, remove the jumper cables in the
exact reverse order from wh ich they were connected.
Once the hybrid system starts, have the vehicle inspected at your Lexus
dealer as soon as possible.
■Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
■When the 12-volt battery is removed or discharged
The hybrid system may not start.
(  P. 4 5 1 )
■Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of certain elec-
trical appliances. If the vehicle is left for a long time, the 12-volt battery may dis-
charge, and the hybrid system may be unable to start. (The 12-volt battery recharges
automatically while the hybrid system is operating.)
■When recharging or replacing the 12-volt battery
●Make sure that the key is not inside the vehicle when recharging or replacing the
12-volt battery. The key may be locked in the vehicle if the alarm is activated.
(  P. 9 1 )
●In some cases, it may not be possible to unlock the doors using the smart access
system with push-button start when the 12-volt battery is discharged. Use the wire-
less remote control or the mechanical key to lock or unlock the doors.
■If the 12-volt battery is discharged
The information stored in the computer will be deleted.
If the 12-volt battery is discharged, have the vehicle inspected by your Lexus dealer.
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5668-2. Customization
LS600hL_U(OM50E41U)
Door lock
( P. 1 4 5 ,
524)
Unlocking using a
mechanical key
Driver’s door
unlocked in
one step, all doors
unlocked in
two steps
All doors
unlocked in one step
O—O
Automatic door lock
Shifting the shift lever
to position other than P
Off
O—O
Ve h i c l e
speed is
approxi-
mately 12 mph (20 km/h) or higher
Automatic door unlock
Shifting the shift lever to POff
O—ODriver’s door is
opened
Smart
access
system with
push-button
start
(  P. 1 2 5 )
and
wireless
remote
control
(  P. 141)
Operation buzzer volume7
Off
O—O
1 to 6
Operational signal
(Emergency flashers)OnOffO—O
Ti m e e l a p s e d b e f o r e a u t o -
matic lock function is acti-
vated if door is not opened
after being unlocked
60
seconds
Off
O—O
30
seconds
120
seconds
Open door warning
buzzerOnOff——O
ItemFunctionDefault settingCustom-
ized setting123

5678-2. Customization
8
Vehicle specifications
LS600hL_U(OM50E41U)
Smart
access
system with
push-button
start
( P. 1 2 5 )
Smart access system with
push-button startOnOffO—O
Smart door unlockingDriver’s
door
All the doors
O—OEach door
Same side doors
Welcome light illumination
controlOnOff——O
Opening trunk without the
electronic key when all
doors are unlocked
OnOff——O
Wi re less
remote
control
( P. 141)
Wireless remote controlOnOff——O
Unlocking operation
Driver’s
door
unlocked in
one step, all doors
unlocked in two steps
All doors
unlocked in one step
O—O
Trunk unlocking operationOne long press
One short press
——OPush twice
Off
ItemFunctionDefault settingCustom-
ized setting123