warning LEXUS RCF 2021 Service Manual

722-1. Instrument cluster
changed suddenly (at the entrance/exit of
a garage, tunnel, etc.)
●When “_ _” or “E” is displayed, the system
may be malfunctioning.
Take your vehicle to your Lexus dealer.
■Pop-up display
●In some situations, such as when a switch
operation is performed, a pop-up display
will be temporarily displayed on the
multi-information display.
●Some pop-up displays can be set on/off.
(  P.81)
■Liquid crystal display
Small spots or light spots may appear on the
display. This phenomenon is characteristic
of liquid crystal displays, and there is no
problem continuing to use the display.
■Customization
The meter display can be customized on
the multi-information display. ( P.360)
■Display items
 Odometer
Displays the total distance the vehicle has
been driven.
Trip meter A/trip meter B
Displays the distance the vehicle has been
driven since the meter was last reset. Trip
meters A and B can be used to record and
display different distances independently.
To reset, display the desired trip meter and
press and hold the odometer/trip meter
and trip meter reset button.
■Changing the display
Each time the “ODO TRIP” switch is
pressed, the displayed item will be
changed. When the trip meter is dis-
played, pressing and holding the switch
WARNING
■The information display at low tem-
peratures
Allow the interior of the vehicle to warm
up before using the liquid crystal infor-
mation display. At extremely low tem-
peratures, the in formation display
monitor may respond slowly, and display
changes may be delayed.
For example, there is a lag between the
driver’s shifting and the new gear number
appearing on the display. This lag could
cause the driver to downshift again,
causing rapid and excessive engine brak-
ing and possibly an accident resulting in
death or injury.
NOTICE
■To prevent damage to the engine and
its components
●Do not let the indicator of the tachom-
eter enter the red zone, as it rep-
resents the engine speed range which
exceeds the maximum safe engine
speed.
●In the following situations, the engine
may be overheating. In this case,
immediately stop the vehicle in a safe
place, and check the engine after it has
cooled completely. ( P.337)
• The engine coolant temperature gauge indicator ( ) is in the red
zone and flashing.
• The engine oil temperature gauge indicator ( ) is in the red zone and
flashing.
Odometer and trip meter dis-
play

732-1. Instrument cluster
2
Vehicle status information and indicators
will reset the trip meter.
The brightness of the instrument panel
lights can be adjusted.Darker
Brighter
■Instrument panel brightness adjustment
The instrument panel brightness levels
when the tail lights are on and off can be
adjusted individually. However, when the
surroundings are bright (daytime, etc.),
turning on the tail lights will not change the
instrument panel bright ness. At this time,
any adjustments made to the instrument
panel brightness levels will be applied to
both settings at once.
■Display
Content display area
By selecting menu icons on the
multi-information display, a variety of
driving-related information can be dis-
played. The multi-information display
can also be used to change display set-
tings and other vehicle settings.
Warning or suggestion/advice pop-up
displays are also displayed in certain
situations.
Sub-content display area
Displays some “F” content in conjunc-
tion with the content display area.
Changing the instrument panel
light brightness
A
B
Multi-information display
The multi-information display pres-
ents the driver with a variety of
vehicle data.
Displays and menu icons

742-1. Instrument cluster
■Menu icons
The menu icons will be displayed by
pressing or of the meter con-
trol switch.
■Start-up display
When the engine is started, the name of the
vehicle is displayed on the multi-information
display.
While the start-up display is being dis-
played, the meter display cannot be
changed even if the drive mode is changed.
When the start-up display is finished, the
meter display for the currently selected
mode will be displayed.
■Liquid crystal display
 P.72
The multi-information display is oper-
ated using the meter control switches.
/ : Select menu icons
/ : Change displayed con-
tent, scroll up/down the screen and
move the cursor up/down
Press: Enter/Set
Press and hold: Reset
Return to the previous screen
Pressing and holding the switch will display
the first screen of the selected menu icon.
Press: Display the top screen
Press and hold: Register current
screen as the top screen
Call sending/receiving and history
display
Linked with the hands-free system, sending
or receiving call is di splayed. For details
regarding the hands-free system, refer to
the “NAVIGATION AND MULTIMEDIA
Drive information
“F” content
Navigation system-linked dis-
play (if equipped)
Audio system-linked display
Driving assist system informa-
tion
Warning message display
Settings display
WARNING
■The information display at low tem-
peratures
 P.72
Changing the meter display
A
B
C
D
E

762-1. Instrument cluster
• After start: Displays elapsed time since engine start
 Distance
• Driving range: Displays driving range
with remaining fuel
*3, 4
•After start: Displays drive distance since
vehicle start
 Other
Blank: No item
*1:Resetting: P.75
*2: Use the displayed fuel consumption as a
reference.
*3: When only a small amount of fuel is added to the tank, the display may not
be updated.
When refueling, turn the engine switch
off. If the vehicle is refueled without
turning the engine switch off, the display
may not be updated.
*4: This distance is computed based on
your average fuel consumption. As a
result, the actual distance that can be
driven may differ from that displayed.
■Eco Driving Indicator
During Eco-friendly acceleration (Eco
driving), the Eco Driving Indicator
Light will turn on.
When the acceleration exceeds the
Zone of Eco driving, or when the vehi-
cle is stopped, the light turns off. Eco Driving Indicator will not operate
under the following conditions:

The shift lever is in any position
other than D.
 A paddle shift switch is operated.
 Neither normal mode nor Eco drive
mode is selected. ( P.192)
 The vehicle speed is approximately
80 mph (130 km/h) or higher.
■Tire pressure
 P.275
■Gear positions
Displays the current gear position
when the shift lever is in D or M.
■Vehicle sway warning
Detects the sway of the vehicle within a
lane, which is often associated with a
decrease in the driver’s attention level,
and displays the decrease in attention
using a bar display.
The shorter the bar length, the more
the driver may need to rest.
This display is a pa rt of the LDA (Lane
Departure Alert with steering control) sys-
tem. The display is en abled when the oper-
ating conditions of the vehicle sway
warning are met. ( P.165)
■Units
The units of measure used can be
changed while driving.
Unlike the units sett ing performed on ,
the units setting performed on can be
changed while driving.
■Blank (No items)
Displays no drive information contents.

812-1. Instrument cluster
2
Vehicle status information and indicators
Select to display the following naviga-
tion system-linked information.
Route guidance to destination
 Compass display (heading-up dis-
play)
Select to enable selection of an audio
source or track on the meter using the
meter control switches.
Select to display the operational status
of the following systems:
 Dynamic radar cruise control
( P.171)
 LDA (Lane Departure Alert with
steering control) ( P.164)
Select to display warning messages
and measures to be taken if a malfunc-
tion is detected. ( P.310)
■Meter display settings that can be
changed
 Language
Select to change the language on the dis-
play.
 Units
Select to change the units of measure dis-
played.
 Eco Driving Indicator Light
( P.76)
Select to enable/disable the Eco Driving
Indicator Light.
 Switch settings
Displays a procedure to register a desired
screen to .
You can register 1 screen as a shortcut,
which can be displayed by pressing .
Drive information screen ( P.75)
Select to select up to 2 items that will be
displayed on each Drive information
screen (Drive information 1 screen, Drive
information 2 screen, and Drive informa-
tion 3 screen) respectively.
 Pop-up display ( P.72)
Select to enable/disable the pop-up dis-
play.
• Intersection Guidance (if equipped)
•Telephone
• Audio Feedback
• Volume Feedback
•Adjust Brightness
• TVD MODE (if equipped)
Rev indicator ( P.70)
• Select to enable/disable the Rev indica-
tor.
• Select to set the desired engine speed at which the Rev indicator will begin to be
displayed.
 Rev peak ( P.71)
Select to enable/disable the Rev peak.
Navigation system-linked dis-
play (if equipped)
Audio system-linked display
Driving support system informa-
tion display
Warning message display
Settings display

822-1. Instrument cluster
Gauge options
Select to change the displayed meters for
each applicable drive mode.
Default setting
Select to reset the meter display settings to
the default setting.
■Vehicle functions and settings that
can be changed
 P.360
■Suspension of the settings display
●Some settings cannot be changed while
driving. When changi ng settings, park
the vehicle in a safe place.
●If a warning message is displayed, opera-
tion of the settings display will be sus-
pended.
■When disconnecting and reconnecting
battery terminals
The following information data will be reset:
●Drive information
●Lap timer: Measured lap times, history
●G-force: Record of the maximum
G-forces
■Customization
Some functions can be customized.
(  P.360)
WARNING
■Caution for use while driving
●When operating the multi-information
display while driving, pay extra atten-
tion to the safety of the area around the
vehicle.
●Do not look continuously at the
multi-information di splay while driving
as you may fail to see pedestrians,
objects on the road, etc. ahead of the
vehicle.
■Cautions during setting up the dis-
play
As the engine needs to be running
during setting up the display, en sure that
the vehicle is parked in a place with ade-
quate ventilation. In a closed area such as
a garage, exhaust gases including harm-
ful carbon monoxide (CO) may collect
and enter the vehicle. This may lead to
death or a serious health hazard.
NOTICE
■While setting up the display
To prevent battery discharge, ensure that
the engine is running while setting up the
display features.

933-2. Opening, closing and locking the doors and trunk
3
Before driving
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
after is pressed, the doors will be
locked again and the alarm will automati-
cally be set.)
In a case that the alarm is triggered, imme-
diately stop the alarm. (P.58)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, both side doors are
unlocked. Depending on the force of the
impact or the type of accident, however, the
system may not operate.
■Operation signals
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: once;
Unlocked: twice)
A buzzer sounds to indicate that the win-
dows and moon roof are operating.
■Welcome light illumination control
The side marker, parking, tail and license
plate lights automatically turn on at night when the doors are unlocked using the
entry function or wireless remote control if
the light switch is in the position.
■Security feature
If a door is not opened within approximately
60 seconds after the vehicle is unlocked,
the security feature automatically locks the
vehicle again.
■When the door cannot be locked by the
lock sensor on the surface of the door
handle
Use your palm to touch the lock sensor.
■Open door warning buzzer
If an attempt to lock the doors is made when
a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the
door to stop the buzzer, and lock the vehi-
cle once more.
■Setting the alarm
Locking the doors will set the alarm system.
(  P.58)
■Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
 P.100
■If the smart access system with
push-button start or the wireless remote
control does not operate properly
Use the mechanical key and/or inside lock
buttons to lock and unlock the doors.
(  P.332)
Replace the key battery with a new one if it
is depleted. ( P.283)
■Customization
Some functions can be customized.
(  P.360)
Multi-information
display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Holding the driver’s
door handle unlocks
only the driver’s
door.
Holding the passen-
ger’s door handle
unlocks both side
doors.
Exterior: Beeps twice
Interior: Pings once
Holding either door
handle unlocks both
side doors.

943-2. Opening, closing and locking the doors and trunk
■Door lock switches (to
lock/unlock)
1 Locks both side doors
2 Unlocks both side doors
■Inside lock buttons (to lock/unlock)
1 Locks the door
2 Unlocks the door
Both side doors can be opened by pulling
the inside handle even if the lock buttons
are in the lock position.
■Locking the doors from the outside with-
out a key
1 Move the inside lock button to the lock
position.
2 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
inside the vehicle. However, the key may not
be detected correctly and the door may be
locked.
■If a symbol indicating one or more of the
doors open is shown on the multi-infor-
mation display
The hood, one or more of the doors, or
trunk is not fully closed. If the vehicle
reaches a speed of 3 mph (5 km/h), the
master warning light flashes and a buzzer
sounds to indicate that the door(s) are not
fully closed. Make sure to close hood, all
doors and trunk.
The following functions can be set or
canceled:
For instructions on customizing, refer to
WARNING
■To prevent an accident
Observe the following precautions while
driving the vehicle.
Failure to do so may result in a door
opening and an occupant being thrown
out of the vehicle, re sulting in death or
serious injury.
●Ensure that both side doors are prop-
erly closed and locked.
●Do not pull the inside handle of the
doors while driving.
The doors may be opened even if the
inside lock buttons are in locked position.
■Side window open/close function
linked to door operation
Do not hold the upper edge of the side
window when you close the door. Other-
wise, your fingers or hand may be caught
in the window.
Unlocking and locking the doors
from the inside
Automatic door locking and
unlocking systems

953-2. Opening, closing and locking the doors and trunk
3
Before driving
P.360
FunctionOperation
Speed linked
door locking
function
Both side doors are
automatically locked
when vehicle speed is
approximately 12 mph
(20 km/h) or higher.
Shift position
linked door lock-
ing function
Both side doors are
automatically locked
when the shift lever is
shifted to a position
other than P.
Shift position
linked door
unlocking func-
tionBoth side doors are
automatically unlocked
when the shift lever is
shifted to P.
Driver’s door
linked door
unlocking func-
tionBoth side doors are
automatically unlocked
when driver’s door is
opened.
Trunk
The trunk can be opened using the
trunk opener switch, entry function
or wireless remote control.
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury.
■Before driving
●Make sure that the trunk lid is fully
closed. If the trunk lid is not fully
closed, it may open unexpectedly
while driving and hit near-by objects or
luggage in the trunk may be thrown
out, causing an accident.
●Do not allow children to play in the
trunk.
If a child is accident ally locked in the
trunk, they could suffer from heat
exhaustion, suffocation or other inju-
ries.
●Do not allow a child to open or close
the trunk lid.
Doing so may cause the trunk lid to
open unexpectedly, or cause the
child’s hands, head, or neck to be
caught by the closing trunk lid.
■Important points while driving
Never let anyone sit in the trunk. In the
event of sudden braking or a collision,
they are susceptible to death or serious
injury.
■Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the
body to be caught, resulting in serious
injury.
●Remove any heavy loads, such as snow
and ice, from the trunk lid before
opening it. Failure to do so may cause
the trunk lid to suddenly shut again
after it is opened.

963-2. Opening, closing and locking the doors and trunk
■Trunk opener switch
Press the trunk opener switch.
■Smart access system with
push-button start
While carrying the electronic key,
press the button on the trunk lid.
When both side doors are unlocked
using one of the following methods, the
trunk can be opened without the elec-
tronic key:
 Entry function
 Wireless remote control
 Door lock switches
 Automatic door unlocking system
 Mechanical key
WARNING
●When opening or closing the trunk lid,
thoroughly check to make sure the
surrounding area is safe.
●If anyone is in the vicinity, make sure
they are safe and let them know that
the trunk is about to open or close.
●Use caution when opening or closing
the trunk lid in windy weather as it may
move abruptly in strong wind.
●On an incline it is more difficult to
open or close the trunk lid than on a
level surface, so beware of the trunk lid
unexpectedly opening or closing by
itself. Make sure that the trunk lid is
fully open and secure before using the
trunk.
●When opening the trun k lid, take care
so that it does not hit anyone in the
face or any other part of the body.
●When closing the trunk lid, take extra
care to prevent your fingers etc. from
being caught.
●When closing the trunk lid, make sure
to press it lightly on its outer surface. If
the trunk handle is used to fully close
the trunk lid, it may result in hands or
arms being caught.
●Do not attach any accessories other
than genuine Lexus parts to the trunk
lid. Such additional weight on the trunk
lid may cause the lid to suddenly shut
again after it is opened.
Opening/closing the trunk