2020 LEXUS RX450H ECO mode

1052. Instrument cluster
2
Instrument cluster
RX350/RX350L_U
Displays 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. 723)
■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 after the engine 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 engine switch is turned off, this suggestion mes-
sage will not be displayed.
■Eco Driving Indicator
Eco Driving Indicator will not operate under the following conditions:
●The shift lever is in any position other than D.
●A paddle shift switch (if equipped) is operated.
●Sport mode is selected.
●The driving mode is set to customized mode and the powertrain control is set to power
(  P. 373)
●The vehicle speed is approximately 80 mph (130 km/h) or higher.
Suggestion function
Eco Driving Indicator Light
During Eco-friendly acceleration (Eco driv-
ing), the Eco Driving Indicator Light will turn
on. When the acceleration exceeds the Zone
of Eco driving, or when the vehicle is stopped,
the light turns off.
Eco Driving Indicator Zone Display
Suggests the Zone of Eco driving with current
Eco driving ratio based on acceleration.
Eco driving ratio based on acceleration
If the acceleration exceeds the Zone of Eco
driving, the right side of the Eco Driving Indi-
cator Zone Display will illuminate.
Zone of Eco driving1
2
3
4

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)

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
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3
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5
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2
3
4
5
6

1213-1. Key information
3
Operation of each component
RX350/RX350L_U
To 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 key. 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. 684)
■Panic mode
■When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. ( P. 530)
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.

1223-1. 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 indicate 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 electronic 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.

1353-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U
■Power back door operating 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 within 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

1423-2. Opening, closing and locking the doors
RX350/RX350L_U
WARNING
■Back door closer
●Use caution when using the back door closer as it still operates when the power back
door system is disabled.
■Power back door
Observe the following precautions wh en operating the power back door.
Failure to do so may cause death or serious injury.
●Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of yo ur belongings to get caught.
●If anyone is in the vicinity, make sure they are safe and let them know that the power
back door is about to open or close.
●If the power back door system is disabled ( P. 101) while the power back door is
operating, the power back door will stop operating. The power back door must then
be operated manually. Take extra care in th is situation, as the power back door may
open or close suddenly.
●If the operating conditions of the power back door ( P. 135) are no longer met, a
buzzer may sound and the power back door may stop opening or closing. The power
back door must then be operated manually. Ta ke extra care on an incline in this situa-
tion, as the power back door may move suddenly.
●On an incline, the power back door may su ddenly shut after it opens. Make sure the
power back door is fully open and secure.
●In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the power back door must then be
operated manually. Take extra care in this situation, as the stopped power back door
may suddenly open or close, causing an accident.
• When the power back door contacts an obstacle
• When the battery voltage suddenly drops, such as when the engine switch is turned to IGNITION ON mode or the engine is started during automatic opera-
tion
●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. It
takes several seconds before the back door
closer begins to operate. Be careful not to get
fingers caught or anything else in the power
back door, as this may cause bone fractures
or other serious injuries.

1473-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U
■Alarms and warning messages
A combination of exterior and interior alar ms as well as warning messages shown on the
multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes-
sage on the multi-information display. ( P. 661)
When only an alarm sounds, circumstances and correction procedures are as follows.
■If a warning message is displayed indicating that there is a malfunction in the smart
access system with push-button start
 P. 661
■Battery-saving function
The battery-saving function w ill be activated in order to prevent the electronic key bat-
tery and the battery from being discharged while the vehicle is not in operation for a long
time.
●In the following situations, the smart acce ss system with push-button start may take
some time to unlock the doors.
• The electronic key has been le ft in an area of approximately 6 ft. (2 m) of the outside
of the vehicle for 10 minutes or longer.
• The smart access system with push-button st art has not been used for 5 days or lon-
ger.
●If the smart access system with push-button start has not been used for 14 days or lon-
ger, the doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s d oor handle, or use the wireless remote control or the mechan-
ical key, to unlock the doors.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
secondsAn attempt was made to lock
the vehicle while a door was
open.Close all of the doors and
lock the doors again.
Interior alarm pings
repeatedly
The engine switch was turned to
ACCESSORY mode while the
driver’s door was open (The
driver’s door was opened when
the engine switch was in
ACCESSORY mode).
Turn the engine switch off
and close the driver’s door.