2018 LEXUS RX450h change time

8
RX450h_RX450hL _U_OM48F85UPlease note that this manual applies to all models and explains all equipment, including
options. Therefore, you may find some expl anations for equipment not installed on your
vehicle.
All specifications provided in this manual are current at the time of printing. However,
because of the Lexus policy of continual pr oduct improvement, we reserve the right to
make changes at any time without notice.
Depending on specifications, th e vehicle shown in the illust rations may differ from your
vehicle in terms of color and equipment.
Approximately five hours after the hybrid system is turned off, you may hear sound com-
ing from under the vehicle for several minutes. This is the sound of a fuel evaporation
leakage check and, it does not indicate a malfunction.
A wide variety of non-genuine spare parts and accessories for Lexus vehicles are cur-
rently available in the market. You should kn ow that Toyota does not warrant these prod-
ucts and is not responsible fo r their performance, repair, or replacement, or for any
damage they may cause to, or adverse effect they may have on, your Lexus vehicle.
This vehicle should not be modified with non-genuine Lexus products. Modification with
non-genuine Lexus products could affect its performance, safety or durability, and may
even violate governmental regulations. In addition, damage or performance problems
resulting from the modification may not be covered under warranty.For your information Main Owner’s Manual
Noise from under vehicle after turning off the hybrid system
Accessories, spare parts and modification of your Lexus

76 1-3. Hybrid system
RX450h_RX450hL _U_OM48F85U■
Regenerative braking
In the following situations, ki netic energy is converted to electric energy and decelera-
tion force can be obtained in conjunction with the recharging of the hybrid battery (trac-
tion battery). ●
The accelerator pedal is released while driving with the shift lever in D or S.●
The brake pedal is depressed while driv ing with the shift lever in D or S.■
EV indicator
■
Conditions in which the ga soline engine may not stop
The gasoline engine starts and stops automati cally. However, it may not stop automati-
cally in the following conditions: ●
During gasoline engine warm-up ●
During hybrid battery (traction battery) charging ●
When the temperature of the hybrid battery (traction battery) is high or low ●
When the heater is switched on ■
Charging the hybrid battery (traction battery)
As the gasoline engine charges the hybrid battery (traction battery), the battery does not
need to be charged from an ou tside source. However, if the vehicle is left parked for a
long time the hybrid battery (traction batter y) will slowly discharge. For this reason, be
sure to drive the vehicle at least once every few months for at least 30 minutes or 10
miles (16 km). If the hybrid battery (traction battery) beco mes fully discharged and you
are unable to start the hybrid sy stem, contact your Lexus dealer. ■
Charging the 12-volt battery
→ P. 698 ■
After the 12-volt battery has discharged or when the terminal has been removed and
installed during exchange, etc.
The gasoline engine may not stop even if the vehicle is being driven by the hybrid battery
(traction battery). If this continues fo r a few days, contact your Lexus dealer.The EV indicator comes on when the vehicle is
driven using only the el ectric motor (traction
motor) or the gasoline engine is stopped.

972. Instrument cluster
2
Instrument cluster
RX450h_RX450hL _U_OM48F85UEngine coolant temperature gauge Displays the engine coolant temperature
Hybrid System Indicator Displays hybrid system power ou tput or regeneration level ( → P. 99)
This display changes to a tachometer depending on the drive mode, and can be set
to show the tachometer in any driv e mode on the settings display. ( → P. 108)
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. 101)
Displays warning messages in case of a malfunction ( → P. 667)
Clock Vehicles with a navigation system:
Time displayed is linked to the analog clock on the instrument panel. ( → P. 548)
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. 108)
Speedometer
Fuel gauge
Shift position display ( → P. 246)
Odometer and trip meter ( → P. 115)1
2
3
4
5
6
7
8
9

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)

1032. Instrument cluster
2
Instrument cluster
RX450h_RX450hL _U_OM48F85U◆ Using the content display area
The content display area is operated using the meter control switches.
: Select menu icons
: Change displayed con-
tent, scroll up/down the
screen and move the
cursor
Press: Enter/Set
Press and hold: Reset
Return to the previous screen Pressing and holding the swit ch 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■
Registering a top screen
The displayed top screen can be chan ged to a registered screen of your
choice.
To register a screen as the top screen, display the desired screen and press
and hold . • A message asking to confirm if registrati on is desired will be displayed. If the
selected screen canno t be registered, a registration failure message will be dis-
played.
• When no screen has been registered, the drive information screen will be dis-
played.■
Resetting drive information
To reset the average fuel economy (aft er reset)/average vehicle speed (after
reset)/elapsed time (after reset) that are displayed on , display the desired
item and press and hold . If both of the displayed items are resettable, a messa ge will be displayed asking
which item(s) to reset.Using the multi-information display 1
2
3
4

104 2. Instrument cluster
RX450h_RX450hL _U_OM48F85U◆ Using the odometer/trip meter display area
Items in this area are operated using the “ODO/TRIP” switch.
Press: Change displayed item Each time the switch is pressed, the
displayed item will be changed.
Press and hold: Reset Display the desired trip meter and
press and hold the switch to reset the
trip meter.
Select a menu icon to display its content.
Drive information ( → P. 105)Select to display various drive data.
Navigation system-linked display (if equipped) Select to display the following na vigation system-linked information.
•Route guidance
• Compass display (heading-up display)
Audio system-linked display Select to enable selection of an audio source or track on the meter using the meter
control switches.
Driving assist system information Select to display the operational status of the following systems:
• Dynamic radar cruise control with full-speed range ( → P. 306)
• LKA (Lane-Keeping Assist) ( → P. 297)
Warning message display ( → P. 702)Select to display warning messages and me asures to be taken if a malfunction is
detected.
Settings display ( → P. 108)Select to change the meter display settings and other settings.Menu icons

1052. Instrument cluster
2
Instrument cluster
RX450h_RX450hL _U_OM48F85U■
Drive information 1/Drive information 2/Drive information 3
Displays drive informatio n such as the following:●
Drive information 1
• Current fuel consumption
• Average fuel economy (after reset) ●
Drive information 2
• Distance (driving range)
• Average vehicle speed (after reset) ●
Drive information 3
• Average fuel economy (after refuel)
• Elapsed time (after start)
Displayed items (listed below) can be changed on . ( → P. 108)Drive information ( )
Item Content
Current fuel consumption Displays in stantaneous current fuel consumption
Average fuel
economy After reset Displays average fuel consumption since the dis-
play was reset
* 1, 2
After start Displays average fuel consumption since hybrid
system start
* 2
After refuel Displays average fuel consumption since refuel
* 2, 3
Average
vehicle
speed After reset Displays average vehicle speed since the display
was reset
* 1
After start Displays average vehicle speed since hybrid sys-
tem start
Elapsed time After reset Displays elapsed time since the display was reset
* 1
After start Displays elapsed time since hybrid system start
Distance Driving range Displays driving rang e with remaining fuel
* 3, 4
After start Displays drive distance since vehicle start
Other Blank No item

1112. Instrument cluster
2
Instrument cluster
RX450h_RX450hL _U_OM48F85U■
Clock (on the multi-information display) ( → P. 96)
Vehicles with a navigation system
The following clock setting can be changed: 
Vehicles with a Lexus Display Audio system
The following clock settings can be changed: Press the / switch to select an it em and then press the / switch to
change the setting or adjust the time. Item Settings Details
Display mode 12-hour display
Select to set the display mode of the
clock.
24-hour display
Item Settings Details
Display mode 12-hour display
Select to set the display mode of the
clock.
24-hour display
Adjust time Select to adjust the hour/minute.