2018 LEXUS RX450h lights

92 2. Instrument cluster
RX450h_RX450hL _U_OM48F85U* 1
: These lights turn on when the power switch is turned to ON mode to indicate that a
system check is being performe d. They will turn off after the hybrid system is on, or
after a few seconds. There ma y be a malfunction in a system if a light does not come
on, or turn off. Have the vehicl e 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
:RX450h
* 6
:RX450hL
The indicators inform the driver of the op erating state of the vehicle’s various sys-
tems. Low fuel level warning light
( → P. 662)
* 4,6
Rear passengers’ seat
belt reminder light
( → P. 662)
Driver’s and front
passenger’s seat belt
reminder light ( → P. 662)
* 1
Tire pressure warning light
( → P. 662)
* 4, 5
Rear passengers’ seat
belt reminder light
( → P. 662)
* 1
Master warning light
( → P. 663)
Indicators Turn signal indicator
( → P. 252) Fog light indicator
( → P. 266)
(U.S.A.)
Headlight indicator
( → P. 258) Cruise control indicator
( → P. 306)
(Canada)
Tail light indicator
( → P. 258) Radar cruise control
indicator ( → P. 306)
Headlight high beam
indicator ( → P. 259) Cruise control “SET”
indicator ( → P. 306)
* 1
Automatic High Beam
indicator ( → P. 262) LKA indicator ( → P. 297)

94 2. Instrument cluster
RX450h_RX450hL _U_OM48F85U●
Drive mode indicators 
Except F SPORT models 
F SPORT models
* 1
: These lights turn on when the power switch is turned to the ON mode to indicate that
a system check is being performed. They will turn off after the hybrid system is on, or
after a few seconds. There ma y be a malfunction in a system if a light does not come
on, or turn off. Have the vehicle 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
power switch is turned to ON mode.
• When the power switch is in 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. Eco drive mode indicator
( → P. 379) “SPORT” indicator
( → P. 379)
EV drive mode indicator
( → P. 244)
Eco drive mode indicator
( → P. 379) “SPORT S” indicator
( → P. 379)
“SPORT S+” indicator
( → P. 379) “CUSTOMIZE” indicator
( → P. 379)
EV drive mode indicator
( → P. 244)

952. Instrument cluster
2
Instrument cluster
RX450h_RX450hL _U_OM48F85U* 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.
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 hybrid system, this could mean that these systems are not available to help
protect you in an accident, which could result in death or serious injury. Have the vehi-
cle inspected by your Lexus dealer immediately if this occurs.

98 2. Instrument cluster
RX450h_RX450hL _U_OM48F85U■
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. 108)
■
Rev peak (F SPORT models)
The engine speed reaches or
exceeds 4000 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. 100Instrument panel light control 1
2

100 2. Instrument cluster
RX450h_RX450hL _U_OM48F85U■
Tachometer
Hybrid System Indicator switches to the tachometer when driving mode is in sport mode.
The settings of the tachometer display can be changed on of the multi-information
display. ( → P. 108)■
Engine speed
On hybrid vehicles, engine speed is precisel y controlled in order to help improve fuel
efficiency and reduce exhaust emissions etc.
There are times when the engine speed that is displayed may differ even when vehicle
operation and driving conditions are the same. ■
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. 108)
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. 702)

116 2. Instrument cluster
RX450h_RX450hL _U_OM48F85UDisplays suggestions to the driver in the following situations. To select a response
to a displayed suggestion, use the meter control switches. The suggestion function can be turned on/off. (Customizable features: → P. 737)■
Suggestion to enable the power back door
If the power back door system is disabled (setting on set to off) and the
power back door switch on the instru ment panel is operated, a suggestion
message will be displayed asking if yo u wish to enable the power back door
system. To enable the power back door system, select “Yes”. After enabling the power back door syst em, press the power back door switch
again to open or close the power back door.■
Suggestion to turn off the headlights
If the headlights are left on for a certai n amount of time af ter the power switch
has been turned off, a su ggestion message will be displayed asking if you wish
to turn the headlights off. To turn the headlights off, select “Yes”.If a front door is opened after the power switch is turned off, this suggestion mes-
sage will not be displayed.■
Background color of the indicator/shift posi tion display area (except F SPORT models)
The background color of the indicator/shift po sition display area is changed according to
the driving mode as follows ( → P. 379):●
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 12-volt battery terminal is disconnect ed and reconnected, the steering amount dis-
play may be disabled temporarily. After driv ing 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 settin gs display will be suspended.Suggestion function

1333-1. Key information
3
Operation of each component
RX450h_RX450hL _U_OM48F85UTo take out the mechanical key, push
the release button and take the key out. The mechanical key can only be
inserted in one direction, as the key only
has grooves on one side. If the key can-
not be inserted in a lock cylinder, turn it
over and re-attempt to insert it.
After using the mechanical key, store it
in the electronic ke y. Carry the mechan-
ical key together with the electronic key.
If the electronic key battery is depleted
or the entry function does not operate
properly, you will need the mechanical
key. ( → P. 692)■
Panic mode
■
When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. ( → P. 534)
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only. ■
If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle.■
When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons on the electronic key while inside the airc raft cabin. If you are carrying an electronic
key in your bag, etc., ensure that the butt ons are not likely to be pressed accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft.Using the mechanical key
When is pressed for longer than about
one second, an alarm will sound intermittently
and the vehicle lights will flash to deter any per-
son from trying to break into or damage your
vehicle.
To stop the alarm, press any button on the elec-
tronic key.

148 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85U■
Luggage compartment lights
●
RX450hL: The luggage compartment lights tu rn on when the back door is opened.●
When the power 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. ●
RX450h: 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