2020 LEXUS RX450H ignition

74
RX350/RX350L_U1-3. 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 vehicle
Engine immobilizer system
The vehicle’s keys have built-in transponder 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.

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

822. 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 system 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 illuminates 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, 6Rear passengers’ seat
belt reminder light
( P. 656)
Driver’s and front
passenger’s seat belt
reminder light ( P. 656)
*1Tire pressure warning light
( P. 656)
*4, 5Rear passengers’ seat
belt reminder light
( P. 656)*1Master 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)
*1Automatic High Beam
indicator ( P. 256) LKA indicator (
P. 291)

842. 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 system 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)

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 (day 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 when 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)

1042. Instrument cluster
RX350/RX350L_U
◆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 dis-
tances independently.
To reset, display the desired trip meter and press and hold the “ODO/TRIP”
switch.
■ Distance until next engine oil change
Displays the distance the vehicle can be driven until an oil change is neces-
sary.
◆Pop-up display
In some situations the following will be temporarily displayed:
■ Distance until next engine oil change
Displays the distance until the next engi ne oil change. This display will be dis-
played in the following situations:
• When the engine switch is tu rned to IGNITION ON mode.
• When a warning message indicating that oil maintenance should be performed
soon or is required is displayed.
Odometer/trip meter display area

1062. Instrument cluster
RX350/RX350L_U
■Background color of the indicator/shift posi tion display area (except F SPORT models)
The background color of the indicator/shift position display area is changed according to
the driving mode as follows ( P. 373):
●Eco drive mode: Blue
●Sport mode: Red
■G-force display (if equipped)
●The G-force values may not be zero even when the vehicle is parked, such as when it is
parked on an incline.
●Depending on the vehicle usage conditions, the brake fluid pressure display may not
reach its maximum reading even though the brake pedal is fully depressed.
●If a battery terminal is disconnected and reconnected, the steering amount display may
be disabled temporarily. Afte r driving the vehicle for a while , the display will be enabled.
■Suspension of the settings display
●Some settings cannot be changed while driv ing. When changing settings, park the
vehicle in a safe place.
●If a warning message is displa yed, operation of the settings display will be suspended.
■Tire pressure
●It may take a few minutes to display the tire inflation pressure after the engine switch is
turned to IGNITION ON mode. It may also take a few minutes to display the tire infla-
tion pressure after inflation pressure has been adjusted.
●“---” may be displayed if the tire position information cannot be determined due to
unfavorable radio wave conditions.
●Tire inflation pressure changes with temperat ure. The displayed values may also be dif-
ferent from the values measured using a tire pressure gauge.
■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
Some functions can be customized. ( P. 97, 722)

1102. Instrument cluster
RX350/RX350L_U
Displays the following multi-in formation display linked icons:
: Master warning icon Displayed when a warning message is displayed on the multi-information
display. ( P. 661)
: Information icon Displayed when a suggestion/advice po p-up display is displayed on the
multi-information display. ( P. 105)
Displays the following items in the appropriate situation:
■Warning/Message (if equipped)
Displays the following system warning/messages:
• Pre-collision warning (pre-collision system)
• Alert from the Intelligent Clearance Sonar system
• Notification message (Dynamic radar cruise control with full-speed range)
■Audio system operation status
Displayed when the audio system is operated.
■Outside temperature
Displayed in the following situations:
• When the engine switch is turned to IGNITION ON mode
• When the low outside temperature indicator is flashing
Displayed content is the same as that disp layed on the multi-information display. For
details, refer to the explanation of the outs ide temperature display on the multi-infor-
mation display. ( P. 86)
/ icons
Message display area