LEXUS RX450h 2015 Owners Manual

7505-2. Steps to take in an emergency
(U.S.A. only) Indicates that all mainte-
nance according to the
driven distance on the
maintenance schedule*
should be performed
soon. If necessary, perform
maintenance.
Comes on approximately
4500 miles (7200 km)
after the maintenance
data has been reset.
(U.S.A. only) Indicates that all mainte-
nance is required to cor-
respond to the driven
distance on the mainte-
nance schedule*.
Perform the necessary
maintenance. Please reset
the maintenance data
after the maintenance is
performed. (  P. 6 4 1 )Comes on approximately
5000 miles (8000 km)
after the maintenance
data has been reset.
(The indicator will not
work properly unless the
maintenance data has
been reset.)Wa r n i n g m e s s a g e Details Correction procedure

5
When trouble arises
7515-2. Steps to take in an emergency
(If equipped) Indicates that the pre-
collision system is not
currently functional
because the grille or the
sensor is dirty.
This message also
appears when the pre-
collision system is not
functional due to over-
heating. • Check the grille and the
sensor and clean them if
they are dirty.
• In case of overheating,
the system will become
functional once the sys-
tem cools down.
(If equipped) Indicates that intuitive
parking assist is dirty or
covered with ice
A buzzer also sounds.
The site of the malfunc-
tion and the vehicle
image are flashing. Clean the sensor.
(If equipped) Indicates that the radar
cruise control sensor is
dirty or covered with ice
A buzzer also sounds. Clean the sensor.
(If equipped) Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
A buzzer also sounds. • Switch driving mode to
normal.
• If the windshield wipers
are on, turn them off or
set them to a mode other
than AUTO (If
equipped) or high speed
wiper operation.Wa r n i n g m e s s a g e Details Correction procedure

7525-2. Steps to take in an emergency
(Flashes)
(If equipped) Indicates that there is a
high possibility of a fron-
tal collision, or that the
pre-collision braking
function is operating
A buzzer also sounds.
At the same time,
will appear on
the head-up display (the
image flashes). Slow the vehicle by apply-
ing the brakes.
(Flashes)
(If equipped) Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode)
A buzzer also sounds.
At the same time,
will appear on
the head-up display (the
image flashes). Slow the vehicle by apply-
ing the brakes.
Indicates that the engine
has overheated
A buzzer also sounds. Stop and check.
(  P. 7 8 8 )Wa r n i n g m e s s a g e Details Correction procedure

5
When trouble arises
7535-2. Steps to take in an emergency
Indicates that the hybrid
system has overheated
A buzzer also sounds.
This message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.) Stop and check.
(  P. 7 8 8 )
(Flashes) Indicates that the hybrid
battery (traction battery)
is low. • If a buzzer sounds inter-
mittently, stop the vehicle
in a safe place and shift
the shift lever to P to
charge the hybrid bat-
tery (traction battery).
• If a buzzer sounds con-
tinuously, immediately
stop the vehicle in a safe
place. Turn the
“POWER” switch off and
then to ON mode to
restart the hybrid system.
Ensuring the shift lever is
in P, charge the hybrid
battery (traction bat-
tery).
Indicates that remaining
fuel is approximately 2.7
gal. (10.1 L, 2.2 Imp. gal.)
or less Refuel the vehicle.Wa r n i n g m e s s a g e Details Correction procedure

7545-2. Steps to take in an emergency
*: Refer to the separate “Scheduled Maintenance” or “Owner's Manual Supple-
ment” for the maintenance interval applicable to your vehicle. (Flashes) Indicates that the
“POWER” switch is
turned off or turned to
ACCESSORY mode and
the driver's door is
opened while the lights
are turned on. Turn the lights off.
(Flashes) Indicates that the driver’s
door is opened when the
hybrid transmission is out
of P with the hybrid sys-
tem on. Shift the shift lever to P.
(If equipped) Indicates that the Blind
Spot Monitor sensors or
the surrounding area on
the bumper is dirty or
covered with ice. Clean the sensor and its
surrounding area on the
bumper.
(Flashes) Indicates that the accel-
erator pedal is depressed
while the shift lever is in
N. Release the accelerator
pedal and shift the shift
lever to D or R.Wa r n i n g m e s s a g e Details Correction procedure

5
When trouble arises
7555-2. Steps to take in an emergency
Messages displayed when refueling
The following messages are displayed after the fuel filler door opener is
pressed. If the messages do not ch ange or are displayed continuously,
have the vehicle checked by your Lexus dealer. Message Details
Preparing the vehicle for refueling.
Wait a moment.
You may commence refueling.
Finish refueling within 30 minutes.
Close the fuel filler door.

7565-2. Steps to take in an emergency
Have the malfunction repaired immediately
After taking the specified steps to co rrect the suspected problem, check
that the warning message and light go off. Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure
Sounds
once 
(Flashes) The electronic key
is not detected
when an attempt
is made to start
the hybrid system. Confirm the loca-
tion of the elec-
tronic key.
Sounds
once Sounds
3 times
(Flashes) The electronic key
was carried out-
side the vehicle
and a door other
than the driver's
door was opened
and closed while
the “POWER”
switch was in a
mode other than
off. Bring the elec-
tronic key back
into the vehicle.
The driver's door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
in P and the
“POWER” switch
was not turned off. Tu r n t h e
“POWER” switch
off or bring the
electronic key
back into the vehi-
cle.

5
When trouble arises
7575-2. Steps to take in an emergency
Sounds
once Sounds
once
(Displayed alternately)
(Flashes) An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the “POWER”
switch off. Tu r n t h e
“POWER” switch
off and lock the
doors again.
Sounds
once 
(Flashes) An attempt was
made to start the
hybrid system
without the elec-
tronic key being
present, or the
electronic key was
not functioning
normally.
An attempt was
made to drive
when the regular
key was not inside
the vehicle. Confirm that the
electronic key is
inside the vehicle.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

7585-2. Steps to take in an emergency
Con-
tinuous 
(Flashes) The driver’s door
was opened when
the shift lever was
not in P and the
“POWER” switch
was not turned off. Shift the shift lever
to P.
Con-
tinuous Con-
tinuous
(Displayed alternately)
(Flashes) The driver's door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
not in P and the
“POWER” switch
was not turned off. • Shift the shift
lever to P.
• Bring the elec-
tronic key back
into the vehicle.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

5
When trouble arises
7595-2. Steps to take in an emergency
Sounds
once Con-
tinuous
(Flashes) An attempt was
made to lock the
doors using the
smart access sys-
tem with push-
button start while
the electronic key
was still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.An attempt was
made to lock
either front door
by opening a door
and putting the
inside lock button
into the lock posi-
tion, then closing
the door by pull-
ing on the outside
door handle with
the electronic key
still inside the
vehicle. Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure