Page 390 of 460
3907-2. Steps to take in an emergency
■Changing power switch modes
Release the brake pedal and press the
power switch in step 3 above.
The hybrid system does not start and modes
will be changed each time the switch is
pressed. ( P.148)
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 using the following procedure.
1 Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked.
( P.71)
2 Open the hood ( P.319) and
open the fuse box cover.
If the 12-volt battery is dis-
charged
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.
Restarting the hybrid system
Page 392 of 460

3927-2. Steps to take in an emergency
6Open and close any of the doors of
your vehicle with the power switch
off.
7 Maintain the engine speed of the
second vehicle and start the hybrid
system of your vehicle by turning
the power switch to ON mode.
8 Make sure the “READY” indicator
comes on. If the indicator does not
come on, contact your Lexus
dealer.
9 Once the vehicle’s hybrid system
has started, remove the jumper
cables in the exact reverse order
from which they were connected.
10 Close the exclusive jump starting
terminal cover, and reinstall the fuse
box cover to its original position.
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 sys-
tem while the hybrid system is stopped.
●Turn off any unnecessary electrical com-
ponents 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
●Information stored in the ECU is cleared.
When the 12-volt battery is depleted,
have the vehicle inspected at your Lexus
dealer.
●Some systems may require initialization.
( P.429)
■When removing the 12-volt battery ter-
minals
When the 12-volt battery terminals are
removed, the information stored in the
ECU is cleared. Before removing the 12-
volt battery terminals, contact your Lexus
dealer.
■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 dis-
charge and the draining effects of certain
electrical 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
●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
wireless remote control or the mechani-
cal key to lock or unlock the doors.
●The hybrid system may not start on the
first attempt after the 12-volt battery has
recharged but will start normally after the
second attempt. This is not a malfunction.
●The power switch mode is memorized by
the vehicle. When the 12-volt battery is
reconnected, the system will return to the
mode it was in before the 12-volt battery
was discharged. Before disconnecting
the 12-volt battery, turn the power switch
off.
If you are unsure what mode the power
switch was in before the 12-volt battery
discharged, be especially careful when
reconnecting the 12-volt battery.
■When replacing the 12-volt battery
●Use a 12-volt battery that conforms to
European regulations.
●Use a 12-volt battery that the case size is
same as the previous one (LN2), 20 hour
rate capacity (20HR) is equivalent
(60Ah) or greater, and performance rat-
ing (CCA) is equivalent (345A) or
greater.
Page 420 of 460
4208-2. Customization
■Head-up Display* ( P.86)
*:If equipped
■Door lock ( P.101, 105, 388)
FunctionDefault settingCustomized set-
ting
Gauge informationHybrid System IndicatorTachometerONo content
Route guidance to destina-
tion/street name
*OnOffO
Driving support system displayOnOffO
Compass*OnOffO
Audio system operation statusOnOffO
FunctionDefault settingCustomized set- ting
Unlocking using a mechanical
key
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepO
Automatic door locking func-
tionShift lever linked
door locking oper- ationOff
OOSpeed linked door locking operation
Automatic door unlocking
functionShift lever linked door unlocking operation
Off
OODriver’s door linked door
unlocking opera- tion
Locking/unlocking of the trunk
when all doors are
locked/unlocked
OnOffO
ABC
ABC
Page 421 of 460

4218-2. Customization
8
Vehicle specifications
■Smart access system with push-button start and wireless remote control
( P.101, 112)
■Smart access system with push-button start ( P.101, 112)
■Wireless remote control ( P.98, 101, 105)
FunctionDefault settingCustomized set-
ting
Operating signal (Buzzers)5OffOO1 to 7
Operation signal (Emergency
flashers)OnOffOO
Time elapsed before automatic
door lock function is activated if
door is not opened after being
unlocked
60 seconds
Off
OO30 seconds
120 seconds
Open door warning buzzerOnOffO
FunctionDefault settingCustomized set-ting
Smart access system with push-
button startOnOffO
Smart door unlockingDriver’s doorAll the doorsOO
Time elapsed before unlocking
all the door when gripping and
holding the driver’s door handle
2 seconds
Off
O1.5 seconds
2.5 seconds
Number of consecutive door
lock operations2 timesAs many as desiredO
FunctionDefault settingCustomized set-ting
Wireless remote controlOnOffO
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepOO
ABC
ABC
ABC
Page 422 of 460
4228-2. Customization
■Trunk (P.105)
*:If equipped
■Driving position memory* ( P.120)
*:If equipped
Trunk unlocking operationPress and hold
(short)
One short press
O
Push twice
Press and hold (long)
Off
Theft deterrent panic modeOnOffO
Reservation lockOnOffOO
FunctionDefault settingCustomized set- ting
Hands Free Power Trunk Lid
(kick sensor)
*OnOffO
FunctionDefault settingCustomized set-ting
Selecting doors linked to the
memory recall functionDriver’s doorAll doorsO
Driver’s seat slide movement
when exiting the vehicle
*FullOffOOPartial
Steering wheel movement*Tilt only
Off
OOTelescopic only
Tilt and telescopic
FunctionDefault settingCustomized set-tingABC
ABC
ABC
Page 423 of 460
4238-2. Customization
8
Vehicle specifications
■Outside rear view mirrors (P.127)
*:If equipped
■Power windows and moon roof ( P.130, 132)
■Automatic light control system ( P.161)
■Lights ( P.161)
FunctionDefault settingCustomized set-
ting
Automatic mirror folding and
extending operation
*
Linked to the lock-ing/ unlocking of the doorsOff
OLinked to opera-
tion of the power switch
FunctionDefault settingCustomized set- ting
Mechanical key linked opera-
tionOffOnO
Wireless remote control linked
operationOffOn (open only)O
Wireless remote control linked
operation signal (buzzer)OnOffO
FunctionDefault settingCustomized set-ting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights
automatically turn off after
doors are closed
30 seconds
Off
OO60 seconds
90 seconds
Windshield wiper linked head-
light illuminationOnOffO
FunctionDefault settingCustomized set-ting
Daytime running lightsOnOff*1OO
ABC
ABC
ABC
ABC
Page 427 of 460
4278-2. Customization
8
Vehicle specifications
■Seat heater*/seat ventilators* ( P.273)
*:If equipped
■Heated steering wheel* ( P.273)
*:If equipped
■Illumination ( P.277)
FunctionDefault settingCustomized set-
ting
Driver’s seat temperature pref-
erence in automatic modeStandard-2 (cooler) to 2 (warmer)OO
Passenger’s seat temperature
preference in automatic modeStandard-2 (cooler) to 2 (warmer)OO
FunctionDefault settingCustomized set- ting
Steering wheel heating prefer-
ence in automatic modeStandard-2 (low) to 2 (high)OO
FunctionDefault settingCustomized set-ting
Time elapsed before the interior
lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation after the power
switch is turned offOnOffO
Operation when the doors are
unlockedOnOffO
Operation when you approach
the vehicle with the electronic
key on your person
OnOffO
Footwell lightsOnOffO
Instrument panel ornament
light
* and door trim ornament
lights
*
OnOffO
ABC
ABC
ABC
Page 428 of 460

4288-2. Customization
*:If equipped
■Vehicle customization
●When the smart access system with
push-button start is off, the entry unlock
function cannot be customized.
●When the doors remain closed after
unlocking the doors and the timer acti-
vated automatic door lock function acti-
vates, signals will be generated in
accordance with the operation buzzer
volume and operational signal (Emer-
gency flashers) function settings.
●Some settings can be changed using a
switch or the Center Display. If a setting is
changed using a switch, the changed set-
ting will not be reflected on the Center
Display until the power switch is turned
off and then to ON mode.
■Clock settings screen
If the clock adjustment screen is displayed
continuously when attempting to change
the clock settings, the system may be mal-
functioning. Have the vehicle inspected by
your Lexus dealer.
Time elapsed before the outer
foot lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation of the outer foot
lights when you approach the
vehicle with the electronic key
on your person
OnOffO
Operation of the outer foot
lights when the doors are
unlocked
OnOffO
Operation of the outer foot
lights when a door is openedOnOffO
Fading out of the outer foot
lights when they turn offLongShortO
FunctionDefault settingCustomized set-
tingABC