2015 LEXUS RX350 stop start

5
When trouble arises
7655-2. 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. Indicates that the auto-
matic transmission fluid
temperature is too high
A buzzer also sounds. Stop the vehicle in a safe
place, shift the shift lever
to “P” and wait until the
light goes off.
If the light goes off, you
may start the vehicle
again. If the light does
not go off, contact your
Lexus dealer.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
7675-2. 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 “ENGINE
START STOP”
switch off. Tu r n t h e
“ENGINE START
STOP” switch off
and lock the
doors again.
Sounds
once 
(Flashes) An attempt was
made to start the
engine without
the electronic key
being present, or
the electronic key
was not function-
ing 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

7685-2. 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
“ENGINE START
STOP” 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
“ENGINE START
STOP” 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

7705-2. Steps to take in an emergency
Sounds
once 
(Flashes) •When the doors
were unlocked
with the
mechanical key
and then the
“ENGINE
START STOP”
switch was
pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic
key could not be
detected in the
vehicle even
after the
“ENGINE
START STOP”
switch was
pressed two
consecutive
times. Touch the elec-
tronic key to the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
Sounds
once 
(Flashes) An attempt was
made to start the
engine with the
shift lever in an
incorrect position. Shift the shift lever
to P and start the
engine.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

5
When trouble arises
7715-2. Steps to take in an emergency
Sounds
once 
(Flashes) An attempt was
made to turn the
“ENGINE START
STOP” switch off
when the shift
lever was not in P. To turn off the
engine, first shift
the shift lever to P
and then turn the
“ENGINE START
STOP” switch off.
  Po w e r w a s t u r n e d
off due to the
automatic power
off function. Next time when
starting the
engine, increase
the engine speed
slightly and main-
tain that level for
approximately 5
minutes to
recharge the bat-
tery.
Sounds
once  The electronic key
has a low battery. Replace the elec-
tronic key battery.
(  P. 7 0 1 )Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

7725-2. Steps to take in an emergency
Sounds
once 
(Flashes) The driver's door
was opened and
closed with the
“ENGINE START
STOP” switch
turned off and
then the
“ENGINE START
STOP” switch was
put in ACCES-
SORY mode
twice without the
engine being
started. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
During an engine
starting proce-
dure in the event
that the elec-
tronic key was not
functioning prop-
erly (  P. 7 9 4 ) ,
the “ENGINE
START STOP”
switch was
touched with the
electronic key. Press the
“ENGINE START
STOP” switch
within 10 seconds
of the buzzer
sounding.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

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