engine LEXUS RX350 2015 Repair Manual

1922-2. Instrument cluster
Changing the display
Switches between odometer and
trip meter displays. When the trip
meter is displayed, pressing and
holding the button will reset the
trip meter.
Instrument panel light control
The brightness of the instrument panel lights can be adjusted.
Darker
Brighter
■
The meters and displa y illuminate when
The “ENGINE START STOP” switch is in IGNITION ON mode.

1932-2. Instrument cluster
2
When driving NOTICE■
To prevent damage to the engine and its components ●
Do not let the indicator needle of the ta chometer enter the red zone, which indi-
cates 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. 7 9 9 )

1982-2. Instrument cluster
* 1
: These lights turn on when the “E NGINE START STOP” switch is turned
to IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the en gine is started, or after a few sec-
onds. There may be a malfunction in a system if a light does not come on,
or if the lights do not turn off. Have the vehicle inspected by your Lexus
dealer, for details.
* 2
: The light flashes to indicate that the system is operating.
* 3
: The light comes on when the system is turned off. The light flashes faster
than usual to indicate that the system is operating.
* 4
: In order to confirm operation, the BSM outside rear view mirror indica-
tors illuminate in the following situations:
• When the “ENGINE START STOP” switch is turned to IGNITION
ON mode while the BSM main switch is set to ON.
• When the BSM main switch is set to ON while the “ENGINE START
STOP” switch is in IGNITION ON mode.
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 with the system.
If this occurs, have the vehicle inspected by your Lexus dealer. (AWD models
only)
All-wheel drive lock indi-
cator (  P. 2 7 5 ) “ECT SNOW” indicator
(  P. 173, 180) (if equipped)
BSM indicator
(  P. 2 8 6 ) (if equipped)
Pre-collision system
warning light (  P. 2 7 8 )(if equipped)
BSM outside rear view
mirror indicators
(  P. 2 8 6 )* 1
* 1
* 1, 3
* 4

1992-2. Instrument cluster
2
When driving
CAUTION■
If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not come on
when you start the engine, 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 vehicle inspected by your Lexus dealer immediately if this occurs.■ Warning lights
Warning lights inform the driver of malfunctions in any of the vehi-
cle’s systems. (  P. 74 4 )
* 1
: These lights turn on when the “ENGINE START STOP” 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 malfunctio n in a system if a light does not
come on, or if the lights do not turn off. Have the vehicle inspected by
your Lexus dealer, for details.
* 2
: The light flashes to indicate a malfunction. (U.S.A.) (Canada) (U.S.A.) (Canada)
(U.S.A.) (Canada)
(if equipped) (for driver) (for front
passenger)
* 1
* 1
* 1
* 1
* 1
* 1
* 1
* 1
* 1
* 1
* 1, 2
* 1
* 1

2032-2. Instrument cluster
2
When driving Trip information
■ Current fuel consumption
Displays the current ra te of fuel consumption
■ Average fuel consumption after refueling
Displays the average fuel consumptio n since the vehicle was last refu-
eled Use the displayed average fuel consumption as a reference.
■ Average fuel consumption
Displays the average fuel consumpti on since the function was reset• The function can be reset by pushing the “ENTER” switch for longer
than one second when the average fuel consumption is displayed.
• Use the displayed average fuel consumption as a reference.
■ Average vehicle speed
Displays the average vehicle speed since the function was reset The function can be reset by pushing the “ENTER” switch for longer than
one second when the average vehicle speed is displayed.
■ Cruising range
Displays the estimated maximum distan ce that can be driven with the
quantity of fuel remaining
• This distance is computed based on your average fuel consumption. As
a result, the actual distance that can be driven may differ from that dis-
played.
• When only a small amount of fuel is added to the tank, the display may
not be updated.
When refueling, turn the “ENGINE START STOP” switch off. If the
vehicle is refueled without turning the “ENGINE START STOP” switch
off, the display may not be updated.
■ Eco Driving Indicator Zone Display
 P. 2 0 4

2042-2. Instrument cluster
■
Electronic features control can be turned on/off when
The “ENGINE START STOP” switch is in IGNITION ON mode.■
Conditions for ending electronic features control
In the following situations, the electronic features control will end: ●
The menu switch is pressed.●
The dynamic radar cruise control is operated (if equipped).●
Intuitive parking assist starts operating (if equipped).●
No action is performed for some time after the electronic features control
screen is displayed.●
A warning message appears after the electronic features control screen is dis-
played.■
Eco Driving Indicator
■
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 16 mph [25 km/h])
●
When the outside temperature has changed suddenly (at the entrance/exit of a
garage, tunnel, etc.) Eco Driving Indicator Light
During Eco-friendly acceleration (Eco
driving), Eco Driving Indicator Light will
turn on.
Eco Driving Indicator Zone Display
Suggests Eco driving range with current
Eco driving ratio based on acceleration.
Zone of Eco driving
Eco driving ratio based on acceleration
If Zone of Eco driving is exceeded, the
right of Eco Driving Indicator Zone Dis-
play will blink and Eco Driving Indicator
Light will turn off.

2112
When driving 2-3. Operating the lights and windshield wipers
Headlight switch The headlights can be operated manually or automatically.
Type A
The headlights and
side marker, parking,
tail, license plate, day-
time running lights
and instrument panel
lights turn on and off
automatically.
(When the “ENGINE
START STOP” switch
is in IGNITION ON
mode)
The side marker, park-
ing, tail, license plate,
daytime running lights
and instrument panel
lights turn on.
The headlights and all
the lights listed above
(except daytime run-
ning lights) turn on.
The daytime running
lights turn off.

2122-3. Operating the lights and windshield wipers
Type B
The daytime running
lights turn on.
The headlights and
side marker, parking,
tail, license plate, day-
time running lights
and instrument panel
lights turn on and off
automatically.
(When the “ENGINE
START STOP” switch
is in IGNITION ON
mode)
The side marker, park-
ing, tail, license plate,
daytime running lights
and instrument panel
lights turn on.
The headlights and all
the lights listed above
(except daytime run-
ning lights) turn on.

2132-3. Operating the light s and windshield wipers
2
When driving Turning on the high beam headlights
With the headlights on, push the
lever away from you to turn on
the high beams. Pull the lever toward you to the
center position to turn the high
beams off.
Pull the lever toward you to turn
on the high beams. Release the lever to turn them off.
You can flash the high beams with
the headlights on or off.■
Daytime running light system ●
To make your vehicle more visible to other drivers, the daytime running lights
turn on automatically whenever the engine is started and the parking brake is
released. Daytime running lights ar e not designed for use at night.
Type A: Daytime running lights can be turned off by operating the switch.●
Compared to turning on th e headlights, the daytime running light system offers
greater durability and consumes less electricity, so it can help improve fuel
economy.■
Headlight control sensor
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the wind-
shield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.

2142-3. Operating the lights and windshield wipers
■
Automatic light off system ●
When the headlights are on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the “ENGINE START STOP” switch is
turned to ACCESSORY mode or turned off. (The lights turn off immediately
if on the key is pressed after all the doors are locked.)●
When only the tail lights ar e on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is turned to ACCESSORY mode or turned off
and the driver’s door is opened.
To turn the lights on again, turn the “ENGINE START STOP” switch to IGNITION
ON mode, or turn the light switch off once and then back to or .
If any of the doors is kept open, the ligh ts automatically turn off after 20 minutes.■
Automatic headlight leveling system (if equipped)
The level of the headlights is automatica lly adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users. ■
Light reminder buzzer (headlights)
A buzzer sounds when the “ENGINE START STOP” switch is turned off or turned
to ACCESSORY mode and the driver's door is opened while the headlights are
turned on.■
Illuminated entry system
If the wireless remote control switch is used to unlock the vehicle when the light
switch is in and the surrounding area is dark, the parking light turns on.■
Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features  P. 8 3 4 )
NOTICE
■
To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is off.