2015 LEXUS RX350 warning

5
When trouble arises
7555-2. Steps to take in an emergency
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on th e multi-informa-
tion display. The following warning indicates the possibility of damage to
the vehicle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Lexus dealer. Wa r n i n g m e s s a g e Details
(U.S.A.)
(Canada) Indicates abnormal engine oil pressure
The warning light may come on if the engine oil pres-
sure is too low.
(Flashes)
(AWD models) Indicates the AWD system has overheated

7565-2. Steps to take in an emergency
Have the vehicle inspected by y our Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failure to investigate the cause of the fo llowing warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately. Wa r n i n g m e s s a g e Details
(AWD models) Indicates a malfunction in the AWD system
Indicates a malfunction in the steering lock system
Indicates a malfunction in the brake lights system

5
When trouble arises
7595-2. Steps to take in an emergency
Follow the correction procedures.
A buzzer sounds and a warning message is shown on th e multi-informa-
tion display. After taking the spec ified steps to correct the suspected
problem, check that the warning message goes off. Wa r n i n g m e s s a g e Details Correction procedure
Indicates that one or
more of the doors is not
fully closed
The system also indi-
cates which doors are
not fully closed.
If the vehicle reaches a
speed of 3 mph
(5 km/h), a buzzer
sounds to indicate that
the door(s) are not yet
fully closed. Make sure that all the
doors are closed.
Indicates that the hood is
not fully closed
If the vehicle reaches a
speed of 3 mph
(5 km/h), a buzzer
sounds to indicate that
the hood is not yet fully
closed. Close the hood.

5
When trouble arises
7615-2. 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 5 7 )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.)
(Flashes)
(AWD models) Indicates that the AWD
system is not currently
functional
A buzzer also sounds. Reduce vehicle speed or
stop the vehicle in a safe
place until the warnings
clear.
In this case, do not stop
the engine.Wa r n i n g m e s s a g e Details Correction procedure

7665-2. 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 engine. 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 “ENGINE
START STOP”
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
“ENGINE START
STOP” switch was
not turned off. Tu r n t h e
“ENGINE START
STOP” switch off
or bring the elec-
tronic key back
into the vehicle.

5
When trouble arises
7735-2. Steps to take in an emergency
Sounds
once 
(Flashes) The steering lock
could not be
released within 3
seconds of the
“ENGINE START
STOP” switch
being pressed. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal
and moving the
steering wheel left
and right.■
Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if vehicle-
to-vehicle distance decreases: ●
When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle●
When the vehicle ahead is traveling at a very low speed●
Immediately after cruise control speed is set●
At the instant the accelerator pedal is depressedInterior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

5
When trouble arises
7835-2. Steps to take in an emergency
Lower the vehicle.
Firmly tighten each wheel nut two
or three times in the order shown
in the illustration. Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Stow the flat tire, tire jack and all tools.STEP 3
STEP 4
■
The compact spare tire ●
The compact spare tire is identified by the label “TEMPORARY USE ONLY”
on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.●
Make sure to check the tire inflatio n pressure of the compact spare tire.
(  P. 815)■
When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning valve and
transmitter, low inflation pressure of the spare tire will not be indicated by the tire
pressure warning system. Also, if you repl ace the compact spare tire after the tire
pressure warning light comes on, the light remains on. STEP 5

7845-2. Steps to take in an emergency
■
If you have a flat front tire on a road covered with snow or ice (vehicles with a
compact spare tire)
Install the compact spare tire on one of the rear wheels of the vehicle. Perform the
following steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the vehi-
cle.
Fit tire chains to the front tires.■
After completing the tire change
The tire pressure warning system must be reset. (  P. 685)STEP 1
STEP 2
STEP 3