engine LEXUS RX350 2019 User Guide

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RX350/RX350L_U 1-3. Theft deterrent system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled. ■
System maintenance
The vehicle has a maintenance-free type engine immobilizer system. ■
Conditions that may cause the system to malfunction ●
If the grip portion of the key is in contact with a metallic object●
If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponder chip) of another vehicleEngine immobilizer system The vehicle’s keys have built-in tran sponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help preven t vehicle theft but does not guarantee
absolute security agai nst all vehicle thefts.

751-3. Theft deterrent system
1
For safety and security
RX350/RX350L_U ■
Certification for the engine immobilizer system 
For vehicles sold in the U.S.A.

771-3. Theft deterrent system
1
For safety and security
RX350/RX350L_U The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:●
A locked door is unlocked or opened in any way other than using the entry
function, wireless remote control or mech anical key. (The doors will lock again
automatically.) ●
The hood is opened.
Close the doors and hood, and lock all
the doors. The system will be set auto-
matically after 30 seconds. The indicator light changes from being
on to flashing when the system is set.
Do one of the following to de activate or stop the alarms:●
Unlock the doors. ●
Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. (The alarm will be deactivat ed or stopped after a few seconds.)■
System maintenance
The vehicle has a maintenance-free type alarm system. ■
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing: ●
Nobody is in the vehicle. ●
The windows and moon roof or panoramic mo on roof are closed before the alarm is
set. ●
No valuables or other personal items are left in the vehicle.Alarm The alarm
Setting the alarm system
Deactivating or stopping the alarm

82 2. Instrument cluster
RX350/RX350L_U * 1
: These lights turn on when the engine switch is turned to IGNITION ON mode to
indicate that a system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a sy stem if a light does
not come on, or turn off. Have the ve hicle inspected by your Lexus dealer.
* 2
: This light flashes to indicate a malfunction.
* 3
: This light flashes or illumina tes to indicate a malfunction.
* 4
: This light illuminates on the center panel.
* 5
:RX350
* 6
:RX350L
The indicators inform the driver of the op erating state of the vehicle’s various sys-
tems. Low fuel level warning light
(  P. 656)
* 4, 6
Rear passengers’ seat
belt reminder light
(  P. 656)
Driver’s and front
passenger’s seat belt
reminder light (  P. 656)
* 1
Tire pressure warning light
(  P. 656)
* 4, 5
Rear passengers’ seat
belt reminder light
(  P. 656) * 1
Master warning light
(  P. 657)
Indicators Turn signal indicator
(  P. 246) Fog light indicator
(  P. 260)
(U.S.A.)
Headlight indicator
(  P. 252) Cruise control indicator
(  P. 300)
(Canada)
Tail light indicator
(  P. 252) Radar cruise control
indicator (  P. 300)
Headlight high beam
indicator (  P. 253) Cruise control “SET”
indicator (  P. 300)
* 1
Automatic High Beam
indicator (  P. 256) LKA indicator (  P. 291)

84 2. Instrument cluster
RX350/RX350L_U ●
Drive mode indicators 
Except F SPORT models 
F SPORT models
* 1
: These lights turn on when the engine switch is turned to the IGNITION ON mode to
indicate that a system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a sy stem if a light does
not come on, or turn off. Have the ve hicle inspected by your Lexus dealer.
* 2
: In order to confirm operation, the BSM ou tside rear view mirror indicators illuminate
in the following situations:
• When the BSM function is enabled on of the multi-information display, the
engine switch is turned to IGNITION ON mode.
• When the engine switch is in IGNITION ON mode, the BSM function is enabled
on of the multi-information display.
If the system is functioning correctly, the BSM outside rear view mirror indicators will
turn off after a few seconds.
If the BSM outside rear view mirror indicators do not illuminate or do not turn off,
there may be a malfunction in the system.
If this occurs, have the vehicle inspected by your Lexus dealer.
* 3
: This light illuminates on the outside rear view mirrors.
* 4
: This light flashes to indicate that the system is operating.
* 5
: The light comes on when the system is turned off.
* 6
: This light illuminates on the center panel.
* 7
: When the outside temperature is approximately 37  F (3  C) or lower, this indicator
will flash for approximately 10 seconds, then stay on. Eco drive mode indicator
(  P. 373) “SPORT” indicator
(  P. 373)
Eco drive mode indicator
(  P. 373) “SPORT S” indicator
(  P. 373)
“SPORT S+” indicator
(  P. 373) “CUSTOMIZE” indicator
(  P. 373)

852. Instrument cluster
2
Instrument cluster
RX350/RX350L_U WARNING ■
If a safety system warnin g light does not come on
Should a safety system light such as the ABS and SRS warning lights not come on when
you start the engine, this could mean that these systems are not available to help pro-
tect you in an accident, which could result in death or serious injury. Have the vehicle
inspected by your Lexus dealer immediately if this occurs.

872. Instrument cluster
2
Instrument cluster
RX350/RX350L_U Engine coolant temperature gauge Displays the engine coolant temperature
Tachometer Displays the engine speed in revolutions per minute
F SPORT models: When sport mode is selected for the driving mode, the periph-
ery of the tachometer will change color and the scale of the tachometer will be
emphasized.
Outside temperature Displays the outside temperature within the range of -40°F (-40°C) to 122°F
(50°C). Low outside temperature indicator comes on when the ambient tempera-
ture is 37°F (3°C) or lower.
Multi-information display Presents the driver with a variety of vehicle data (  P. 90)
Displays warning messages in case of a malfunction (  P. 661)
Clock Vehicles with a navigation system:
Time displayed is linked to the analog clock on the instrument panel. (  P. 544)
Vehicles with a Lexus Display Audio system:
Time displayed on the clock can be adju sted on of the mu lti-information dis-
play. (  P. 97)
Speedometer
Fuel gauge
Shift position display (  P. 236, 240)
Odometer and trip meter (  P. 104)1
2
3
4
5
6
7
8
9

88 2. Instrument cluster
RX350/RX350L_U ■
Rev indicator (F SPORT models)
When the engine speed reaches a
set speed, a ring-shaped indicator
will be displayed on the tachometer. The desired engine speed at which
the Rev indicator will begin to be dis-
played can be set on of the multi-
information display. (  P. 97)
■
Rev peak (F SPORT models)
The engine speed reaches or
exceeds 5000 rpm, an afterimage
of the tachometer will be displayed
at the highest engine speed for
approximately 1 second.
The brightness of the instrument panel lights can be adjusted.
Darker
Brighter • The brightness of the instrument
panel lights can be adjusted individu-
ally for day mode and night mode
* .
• If the brightness is adjusted when the
surroundings are bright and the tail
lights are on (day mode brightness
adjustment), the brightness level of
night mode will be adjusted at the
same time.
* : Day mode and night mode:  P. 89Instrument panel light control 1
2

892. Instrument cluster
2
Instrument cluster
RX350/RX350L_U ■
The meters and display illuminate when
The engine switch is in IGNITION ON mode. ■
Brightness of the meters (d ay mode and night mode)
The brightness of the meters is changed between day mode and night mode. ●
Day mode: When the tail lights are off or when the tail lights are on but the surrounding
area is bright ●
Night mode: When the tail lights are on and the surrounding area is dark ■
Outside temperature display ●
In the following situations, the correct outside temperature may not be displayed, or the
display may take longer than normal to change:
• When stopped, or driving at low speeds (less than 12 mph [20 km/h])
• When the outside temperature has changed suddenly (at the entrance/exit of a
garage, tunnel, etc.) ●
When “  ” or “E” is displayed, the sy stem may be malfunctioning.
Take your vehicle to your Lexus dealer. ■
Clock settings screen (vehicles with a navigation system only)
If the clock adjustment screen is displayed continuously wh en attempting to change the
clock settings, the system may be malfunctioning.
Have the vehicle inspected by your Lexus dealer. ■
Customization
Some functions can be customized. (  P. 97)
NOTICE ■
To prevent damage to the engine and its components●
Do not let the indicator needle of the tachometer enter the red zone, which indicates
the maximum engine speed. ●
The engine may be overheating if the engine coolant temperature gauge is in the red
zone (H). In this case, immediately stop the vehicle in a safe place, and check the
engine after it has cooled completely. (  P. 692)

912. Instrument cluster
2
Instrument cluster
RX350/RX350L_U Odometer/trip meter display area (  P. 104)Displays the following items:
• Odometer/trip meter
• Distance until next engine oil change
Meter control switches (  P. 92)
“ODO/TRIP” switch (  P. 93)
F SPORT models
Outside temperature (  P. 86)
Menu icons (  P. 93)
Content display area A variety of information can be displayed by selecting a menu icon. Additionally,
warning or suggestion/advice pop-up displa ys will be displayed in some situations.
• Menu icon content (  P. 93)
• Suggestion function (  P. 105)
• Warning message (  P. 661)
Indicators/clock •Indicators (  P. 80)
•Clock (  P. 86)
Shift position display (  P. 236, 240)
Odometer/trip meter display area (  P. 104)Displays the following items:
• Odometer/trip meter
• Distance until next engine oil change
Meter control switches (  P. 92)
“ODO/TRIP” switch (  P. 93)4
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6
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3
4
5
6
7
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