Page 568 of 660
5687-2. Steps to take in an emergency
RX450h_U_OM0E013U
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.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depe nding on the situa-
tion, the alarm may activate and doors
locked. (
P. 88)
Open the hood ( P. 473) and fuse
box cover.
Open the exclusive jump starting
terminal cover.
If the 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the vehi-
cle’s 12-volt battery is discharged.
You can also call your Lexus deal er or a qualified repair shop.
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Page 578 of 660
5787-2. Steps to take in an emergency
RX450h_U_OM0E013U
Stop the hybrid system. Shift the shift lever to P and set the parking brake.
Remove the mud, snow or sand from around the front wheels.
Place wood, stones or some other materi al under the front wheels to help pro-
vide traction.
Restart the hybrid system.
Shift the shift lever to D or R and rele ase the parking brake. Then, while exer-
cising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt or snow:
Press to turn off TRAC.
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Page 607 of 660

607
RX450h_U_OM0E013U
8
Vehicle specifications
8-2. Customization
When customizing vehicle features, ensure that the vehicle is parked in a safe
place with the shift lever in P and the parking brake set.
■Changing on the audio system screen
Press the “MENU” button on the Remote Touch.
Select on the “Menu” screen and select .
Various setting can be changed. Refer to the list of settings that can be
changed for details.
■Changing using the multi-information display
P. 109
Some function settings are changed simultaneously with other functions being
customized. Contact your Lexu s dealer for further details.
Settings that can be changed on the audio system screen
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, – =Not available
■Vehicle proximity no tification system (P. 77)
Customizable features
Your vehicle includes a variety of elec tronic features that can be personalized
to suit your preferences. The settings of these features can be changed using
the multi-information display, on the audio system screen, or at your Lexus
dealer.
Customizing vehicle features
Customizable Features
1
2
1
2
FunctionDefault settingCustomized setting
The volume of vehicle proximity
notification system soundLevel 1Level 2—OLevel 3
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Page 608 of 660
6088-2. Customization
RX450h_U_OM0E013U
■Gauges, meters and multi-information display ( P. 97, 102)
*1: The default setting varies according to countries.
*2:Except F SPORT models
■Door lock ( P. 136, 564)
FunctionDefault settingCustomized setting
Language EnglishFrench
O—
Spanish
Units*1miles (MPG US)
miles
(MPG Imperial)
O—km (L/100 km)
km (km/L)
Color*2Color 1Color 2O—
Suggestion functionOnOff—O
12
FunctionDefault settingCustomized setting
Unlocking using a mechanical
key
Driver’s door
unlocked in one
step, all doors
unlocked in two
step
All doors unlocked
in one step—O
Automatic door locking function
Shift position
linked door locking
operationOff
OOSpeed linked door
locking operation
Automatic door unlocking func-
tion
Shift position
linked door
unlocking opera-
tionOff
OODriver’s door
linked door
unlocking opera-
tion
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Page 609 of 660
6098-2. Customization
8
Vehicle specifications
RX450h_U_OM0E013U
■Power back door (P. 142)
*: If equipped
FunctionDefault settingCustomized setting
Power back door switch opera-
tionPress for 1 secondOne short press—O
Automatic closing of the back
door when loweredOnOff—O
Automatic opening of the back
door using the back door opener
switch
OnOff—O
Power back door opening posi-
tion51 to 5OO
Buzzer volumeLevel 3Level 1—OLevel 2
Power back door/touchless sen-
sor*On
Power back door:
On
Touchless sensor:
Off
—O
Off
Power back door open/close
buzzer
When the back
door begins to
operate: On
While the back
door is operating:
Off
Off
—O
When the back
door begins to
operate: Off
While the back
door is operating:
On
On
Sound pattern of the buzzer
when the power back door
begins to operate
Sound pattern A
Sound pattern B
—OSound pattern C
Touchless sensor* sensitivityLevel 1 (standard)Level 1 (standard) to
level 3 (highest)—O
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Page 610 of 660
6108-2. Customization
RX450h_U_OM0E013U
■Smart access system with push-button start and wireless remote control
( P. 136, 158)
■Smart access system with push-button start ( P. 136, 158)
FunctionDefault settingCustomized setting
Operation buzzer volume5OffOO1 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
—O30 seconds
120 seconds
Open door warning buzzerOffOn—O
Reservation lockOnOff—O
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FunctionDefault settingCustomized setting
Smart access system with push-
button start On Off O O
The doors that are unlocked
using the smart access system
with push-button start can be
selected Driver’s door All the doors O O
Number of consecutive door
lock operations 2 times As many as desired — O
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Page 611 of 660

6118-2. Customization
8
Vehicle specifications
RX450h_U_OM0E013U
■Wireless remote control (P. 132, 136, 142)
*1: This setting enables opening of the power back door when it is locked or unlocked.
*2: This function is available only when a customized setting that enables opening of the
power back door when it is either locked or unlocked is selected. (See
*1 above.)
FunctionDefault settingCustomized setting
Wireless remote control OnOff — O
Unlocking operation Driver’s door
unlocked in one
step, all doors
unlocked in two
stepAll doors unlocked
in one step
OO
Panic function OnOff — O
Opening/closing of the power
back door using the
switch of the wireless remote
control Open: Press for 1
second
*1
Close: Press for 1
secondOff
—O
Open: Press for 1
second with the
back door
unlocked
Close: Press for 1
second
Open: One short
press with the back
door unlocked
Close: One short
press
Open: Press twice
with the back door
unlocked
Close: Press twice
Open: Press
twice
*1
Close: Press twice
Door unlocked when the power
back door is opened using the switch of the wireless
remote control
*2
All the doors Back door — O
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Page 612 of 660
6128-2. Customization
RX450h_U_OM0E013U
■Driving position memory ( P. 174)
■Steering wheel ( P. 181)
■Outside rear view mirrors ( P. 185)
FunctionDefault settingCustomized setting
Driver’s seat movement when
exiting the vehicleStandardOffOOPartial
Selecting doors linked to the
memory recall functionDriver’s doorAll doors—O
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FunctionDefault settingCustomized setting
Auto tilt away functionOnOff—O
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FunctionDefault settingCustomized setting
Automatic mirror folding and
extending operationLinked to the lock-
ing/unlocking of the
doorsOff
—OLinked to operation of the power switch
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