Page 566 of 652
566
5-2. Steps to take in an emergency
RX350/270_EE
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-
tinuousCon-
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
buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
RX350_270_EE_48D77E.book 566 ページ 2014年1月24日 金曜日 午前10時4分
Page 568 of 652
568
5-2. Steps to take in an emergency
RX350/270_EE
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
buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
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Page 569 of 652
5
569
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
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
onceThe electronic key
has a low battery.Replace the elec-
tronic key battery.
(→P. 5 0 1 )
Interior
buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
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Page 570 of 652
570
5-2. Steps to take in an emergency
RX350/270_EE
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. 5 9 2 ) ,
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
buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
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Page 571 of 652
5
571
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
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 depressed
Interior
buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
RX350_270_EE_48D77E.book 571 ページ 2014年1月24日 金曜日 午前10時4分
Page 572 of 652
572
5-2. Steps to take in an emergency
RX350/270_EE
If you have a flat tire
Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
■Before jacking up the vehicle
●Stop the vehicle on a hard, flat surface.
●Set the parking brake.
●Shift the shift lever to P.
●Vehicles with electronically modulated air suspension:
Turn off the height control. (→P. 2 5 6 )
●Stop the engine.
●Turn on the emergency flashers.
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Page 583 of 652

5
583
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
CAUTION
■Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off the jack,
leading to death or serious injury.
●Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do not use other tire jacks for replacing tires
on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not put any part of your body under the vehicle while it is supported by the
jack.
●Do not start or run the engine while your vehicle is supported by the jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greater than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●Vehicles with electronically modulated air suspension: Be sure to turn off the
height control and stop the engine.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
RX350_270_EE_48D77E.book 583 ページ 2014年1月24日 金曜日 午前10時4分
Page 585 of 652

5
585
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & Brake assist
●VSC
●VSC+ (if equipped)
●TRC
●VDIM (if equipped)
●Lexus parking assist-sensor (if equipped)
●Navigation system (if equipped)
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Electronically modulated air suspension (if equipped)
●PCS (Pre-Crash Safety system) (if equipped)
Also, not only can the following system not be utilized fully, but it may even nega-
tively affect the drive-train components:
●AWD system (if equipped)
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km/h (50 mph) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.
RX350_270_EE_48D77E.book 585 ページ 2014年1月24日 金曜日 午前10時4分