engine LEXUS RX350 2019 Owner's Guide

112 2. Instrument cluster
RX350/RX350L_U ■
Head-up display
The head-up display may seem dark or hard to see when viewed through sunglasses,
especially pola rized sunglasses.
Adjust the brightness of the head-up display or remove your sunglasses.■
When the battery is disconnected
The customize settings of the head-up display will be reset.■
Display brightness
The brightness of the head-up display can be adjusted on of the multi-information
display. Also, it is automatically adju sted according to th e ambient brightness.■
Enabling/disabling of the head-up display
If the head-up display is disabled, it will rema in disabled when the engine switch is turned
off then back to IGNITION ON mode. ■
Automatic adjustment of the head-up display position
A desired head-up display position can be entered to memory and recalled automati-
cally by the driving position memory system. (  P. 172)■
Street name display (vehicle s with a navigation system)
Only street names which are included in the map data will be displayed.
WARNING ■
Before using the head-up display ●
Check that the position and brightness of the head-up display image does not inter-
fere with safe driving. Inco rrect adjustment of the image’s position or brightness may
obstruct the driver’s view and lead to an acc ident, resulting in de ath or serious injury.●
Do not continuously look at the head-up di splay while driving as you may fail to see
pedestrians, objects on the road, etc. ahead of the vehicle. ■
Caution for changing settings of the head-up display
As the engine needs to be running while changing the settings of the head-up display,
ensure that the vehicle is parked in a place with adequate ventilation. In a closed area
such as a garage, exhaust gases including harmful carbon monoxide (CO) may collect
and enter the vehicle. This may lead to death or a serious health hazard.

1132. Instrument cluster
2
Instrument cluster
RX350/RX350L_U NOTICE ■
To prevent damage to components
■
When changing the settings of the head-up display
To prevent battery discharge, ensure that the engine is running while the changing the
settings of the head-up display. ●
Do not place any drinks near the head-up dis-
play projector. If the projector gets wet, elec-
trical malfunctions may result. ●
Do not place anything on or put stickers onto
the head-up display projector.
Doing so could interrupt head-up display
indications. ●
Do not touch the inside of the head-up display
projector or thrust sharp edges or the like into
the projector.
Doing so could cause mechanical malfunc-
tions.

1152. Instrument cluster
2
Instrument cluster
RX350/RX350L_U 
Lexus Display Audio screen
Press the “MENU” button on the Lexus Display Audio controller, then select
“Info” on the “Menu” screen, and then select “Fuel Consumption”.If the “Trip Information” screen does not appear, move the controller to the right and
select “Trip Information”.
Fuel consumption in the past 15 min-
utes
Current fuel consumption
Average vehicle speed since the
engine was started.
Elapsed time since the engine was
started.
Cruising range (  P. 117)
Navigation system screen
Press the “MENU” button on the Remote Touch, then select on the “Menu”
screen, and then select “Fuel Consumption”. If the “Past Record” screen is disp layed, select “Trip Information”.
Resetting the consumption data
Fuel consumption in the past 15 min-
utes
Current fuel consumption
Average vehicle speed since the
engine was started.
Elapsed time since the engine was
started.
Cruising range (  P. 117)
Average fuel consumption for the past 15 minutes is divided by color into past
averages and averages attained since the engine switch was last turned to IGNI-
TION ON mode. Use the displayed average fuel consumption as a reference.
The image is an example only.Trip information 1
2
3
4
5
1
2
3
4
5
6

118 2. Instrument cluster
RX350/RX350L_U Vehicle information can be displayed on the side display (  P. 501), then select
“<” or “>” to select the desired screen. 
Fuel consumption
Displays the average fuel consumption
for the past 10 minutes in 1 minute inter-
vals, as well as the cruising range. 
Past record
Displays the average fuel consumption
and highest fuel consumption. 
Trip information
Displays the cruising range, average
fuel consumption and the amount of
time elapsed since the engine was
started.
The image is an example only, and may va ry slightly from actual conditions.Using the side display (vehicles with a navigation system [12.3-inch dis-
play])

122 3-1. Key information
RX350/RX350L_U ■
Electronic key battery depletion ●
The standard battery life is 1 to 2 years.●
If the battery becomes low, an alarm will soun d in the cabin when the engine is stopped.
(  P. 623) ●
As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indi cate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. (  P. 623)
• The smart access system with push-button start or the wireless remote control does
not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on. ●
To reduce key battery depletion when the electr onic key is to not be used for long peri-
ods of time, set the electronic key to the battery-saving mode.
(  P. 148) ●
To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the
following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Induction cookers
•Table lamps ■
Replacing the battery
 P. 623 ■
Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details. ■
If a wrong key is used
The key cylinder rotates freely, isol ated from the internal mechanism.

1273-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U Push down the in side lock button.
Close the door. The door cannot be locked if the engine switch is in ACCESSORY or IGNITION
ON mode, or the electronic key is left insi de the vehicle. However, the key may not be
detected correctly and the door may be locked.
The door cannot be opened from inside
the vehicle when the lock is set.
Unlock
Lock These locks can be set to prevent chil-
dren from opening the rear doors. Push
down on each rear door switch to lock
both rear doors.
The following functions can be set or canceled: For instructions on customizing, refer to P. 724.Locking the doors from the outside without a key
Rear door child-protector lock 1
2
1
2
Automatic door locking and unlocking systems Function Operation
Speed linked door locking function All doors are automatically locked when
vehicle speed is approximately 12 mph
(20 km/h) or higher.
Shift position linked door locking
function All doors are automatically locked when
shifting the shift lever out of P.
Shift position linked door unlocking
function All doors are automatically unlocked
when shifting the shift lever to P.
Driver’s door linked door unlocking
function All doors are automatically unlocked
when driver’s door is opened.

128 3-2. Opening, closing and locking the doors
RX350/RX350L_U ■
Switching the door unlock function
It is possible to set which doors the entry function unlock s using the wireless remote con-
trol.
Turn the engine switch off.
When the indicator light on the key su rface is not on, press and hold , or
for approximately 5 seconds while pressing and holding .
The setting changes each time an operation is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds, and
repeat step .)
To prevent unintended triggering of the alarm, unlock the doors using the wireless
remote control and open and close a door once after the settings have been changed. (If
a door is not opened within 60 seconds af ter is pressed, the doors will be locked
again and the alarm will automatically be set.)
In a case that the alarm is triggered, immediately stop the alarm. (  P. 77)■
Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked.
Depending on the force of the impact or the type of accident, however, the system may
not operate. ■
Using the mechanical key
The doors can also be locked and unlocked with the mechanical key. (  P. 684)■
Open door warning buzzer
If the vehicle speed reaches 3 mph (5 km/h), the master warning light flashes and a
buzzer sounds to indicate that door (s) or the hood in not fully closed.
The open door(s) or hood is displa yed on the multi-information display.1
2
2
Multi-information
display Unlocking function Beep
Holding the driver’s door handle
unlocks only the driver’s door.
Exterior: Beeps 3 times
Interior: Pings onceHolding any of the passenger
door handles unlocks all the
doors.
Holding a door handle unlocks
all the doors. Exterior: Beeps twice
Interior: Pings once

1353-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U ■
Power back door op erating conditions
If the following conditions are met with the power back door operation enabled (  P. 101),
the power back door can be opened and closed automatically. ●
When an electronic key is being carried an d the back door opener switch is pressed
*●
When the wireless remote control is used
*●
When the engine switch is in IGNITION ON mode, the vehicle speed must be lower
than 2 mph (3 km/h) and one of the following conditions must be met in addition to the
above conditions:
• The parking brake is engaged.
• The brake pedal is depressed.
• The shift lever is in P.
* : When the operation of the power back door when it is locked has been disabled by a
customized setting, operate the power back door after it has been unlocked.
(  P. 727) 
Touchless sensor (vehicles with a touchless power back door)
The power back door will open automatically when the touchless sensor operation is
enabled (  P. 101) and the following conditions are met:●
The power back door is fully closed. ●
The electronic key is with in the operational range (  P. 146)
■
Security feature
If the power back door is not opened within approximately 60 seconds after the vehicle
is unlocked, the security feature will automatically lock the doors again. ●
A hand is held over the upper part of the rear
emblem with fingers closed. (The upper part of
the rear emblem can also be touched.)
The power back door may also be operated
by holding either of the following over the
upper part of the rear emblem. Make sure to
hold it close enough to the rear emblem.
•A gloved hand
•An elbow

136 3-2. Opening, closing and locking the doors
RX350/RX350L_U ■
Luggage compartment lights
●
RX350L: The luggage compartment lights turn on when the back door is opened. ●
When the engine switch is turned off, the lights will go off automatically after 20 min-
utes. ■
If the power back door opener is inoperative
The power back door can be unlocked from the inside. ●
RX350: The luggage compartment lights turn
on when the power back door is opened with
the respective luggage compartment light
switch on.
Remove the cover.
To protect the cover, place a rag between the
flathead screwdriver and cover as shown in
the illustration.
Move the lever. 1
2

1373-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U ■
Back door closer
In the event that the power back door is left slightly open, the back door closer will auto-
matically close it to the fully closed position. ●
The back door closer can function when the engine switch is in any mode.●
The power back door can be opened using the back door opener switch even if the
back door closer is operating. ■
Operation of the power back door ●
When the power back door begins to operate, the emergency flashers will flash twice
and a buzzer will sound. ●
When the power back door is disabled (  P. 101), the power back door will not operate
but can be opened and closed manually. ●
The power back door turns to manual operat ion when the back door opener switch is
pressed while the power back door is in an automatic opening/closing operation. ●
If anything obstructs the power back door while opening, a buzzer will sound and the
power back door will stop immediately. If anything obstructs the power back door while
closing, a buzzer will sound and the power back door will automatically move slightly in
the opposite direction and then stop. ■
Back door reserve lock function
This function reserves the locking of the power back door when the power back door is
open. If the following operations are perfor med, all of the doors except the power back
door will lock and then the power back door will lock when it is completely closed.
Close all of the doors, ex cept the power back door.
Perform an automatic closing operation of the power back door and lock the doors
using the wireless remote control (  P. 124) or smart access system with push-button
start (  P. 124, 130) while the po wer back door is closing.
Also, if the back door does not fully clos e due to the operation of the jam protection
function, etc., while the back door is automatically closing after a reserve lock opera-
tion is performed, the reserv e lock function is canceled and all the doors will unlock.1
2