Page 641 of 784
6418-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
8
When trouble arises
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. After taking the spec ified steps to correct the suspected
problem, check that the warning message goes off.
Follow the correction procedures.
Wa r n i n g m e s s a g eDetailsCorrection 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), flashes
and 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 closedIf the vehicle reaches a
speed of 3 mph (5
km/h), flashes
and a buzzer sounds
to indicate that the
hood is not yet fully
closed.
Close the hood.
Page 642 of 784
6428-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
Indicates that the trunk is
not fully closedIf the vehicle reaches a
speed of 3 mph (5
km/h), flashes
and a buzzer sounds
to indicate that the
trunk is not yet fully
closed.
Close the trunk.
Indicates that the win-
dows are not fully closed
(with the “START STOP
ENGINE” <“POWER”>
switch off, and the driver’s
door open)
Close all the windows.
Indicates that the moon
roof is not fully closed
(with the “START STOP
ENGINE” <“POWER”>
switch off, and the driver’s
door open)
Close the moon roof.
Indicates that the win-
dows and the moon roof
are not fully closed (with
the “START STOP
ENGINE” <“POWER”>
switch off, and the driver’s
door open)
Close all the windows
and the moon roof.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes)
(Flashes)
(Flashes)
Page 643 of 784
6438-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
8
When trouble arises
Indicates that the parking
brake is still engagedIf the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to indicate that
the parking brake is
still engaged.
Release the parking
brake.
Indicates that the hybrid
battery (traction battery)
is low
When stopping the vehi-
cle for a long period of
time, shift the shift lever to
P. The battery cannot be
charged with the shift
lever in N.
Indicates that the hybrid
battery (traction battery)
power has dropped
because a long period of
time has elapsed after
shifting the shift lever to
N
Restart the hybrid system
when starting the vehicle.
Indicates that the accel-
erator pedal is depressed
while the shift position is
in NRelease the accelerator
pedal and shift the shift
lever to D or R.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes)
(Hybrid vehicles)
(Flashes)
(Hybrid vehicles)
(Flashes)
(Hybrid vehicles)
Page 644 of 784
6448-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
*: For the EV drive mode operating conditions: P. 2 1 9
Indicates that the EV
drive mode is not avail-
able
*
The reason the EV
drive mode is not avail-
able (the vehicle is
idling, battery charge is
low, speed is higher
than the EV drive
mode operating speed
range, accelerator
pedal is depressed too
much) may be dis-
played.
Use the EV drive mode
when it becomes avail-
able.
Indicates that the EV
drive mode has been
automatically canceled
*
The reason the EV
drive mode is not avail-
able (the battery
charge is low, speed is
higher than the EV
drive mode operating
speed range, accelera-
tor pedal is depressed
too much) may be dis-
played.
Drive the vehicle for a
while.
Indicates that engine oil
level is lowCheck the level of engine
oil, and add if necessary.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Hybrid vehicles)
(Hybrid vehicles)
(If equipped)
Page 645 of 784
6458-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
8
When trouble arises
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that intuitive
parking assist sensor is
dirty or covered with ice
Clean the sensor.
Indicates that the radar
sensor is dirty or covered
with ice
Clean the sensor.
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
•Turn off the snowmode.
• If the windshield wip- ers are on, turn them
off or set them to a
mode other than
AUTO or high speed
wiper operation.
Indicates that your vehi-
cle is nearing the vehicle
ahead (in vehicle-to-vehi-
cle distance mode)
Slow the vehicle by
applying the brakes.
(If equipped)
(If equipped)
(If equipped)
(If equipped)
Page 646 of 784
6468-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
collision braking function
is operating
Slow the vehicle by
applying the brakes.
Indicates that the LDA
(Lane Departure Alert)
system is suspendedThe camera sensor
temperature is higher
than the operation tem-
perature range.
Restart the LDA (Lane
Departure Alert) system
after driving for a while.
Alerts the driver that the
vehicle is out of the lane
markers (while the LDA
[Lane Departure Alert]
system is operating)The warning buzzer
sounds cont inuously.
The lane line on the
side the vehicle devi-
ates from flashes in yel-
low.
Check around the vehi-
cle and steer the vehicle
back within the lane
markers with safe steer-
ing.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes)
(If equipped)
(If equipped)
(If equipped)
Page 647 of 784

6478-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
8
When trouble arises
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.
Indicates that the hybrid
system has overheatedThis message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.)
Stop and check.
( P. 6 9 1 )
Indicates that remaining
fuel is approximately 2.6
gal. (9.7 L, 2.1 Imp.gal.) or
less
Refuel the vehicle.
Indicates that the “START
STOP ENGINE”
<“POWER”> switch is
turned off or turned to
ACCESSORY mode and
the driver’s door is
opened while the lights
are turned on
Tu r n t h e l i g h t s o f f .
Indicates that the driver’s
door was opened with the
shift position in any posi-
tion other than P
Shift the shift position to P.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
(Hybrid vehicles)
(Flashes)
(Flashes)
(Hybrid vehicles)
Page 648 of 784

6488-2. Steps to take in an emergency
ES350_300h_OM_OM33B99U_(U)
■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
■The LDA (Lane Departure Alert) system (if equipped)
In the following cases, the warning message will not be displayed even if the vehicle
deviates from the lane markers.
●When the vehicle speed deviates from the operating range of the LDA system
functions
●When the lane markers cannot be recognized
Carrying out the corresponding action turns the messages off.
Other displayed messages
Displayed messageDetailsCorrection procedure
Maintenance of the
hybrid system (traction
battery) cooling compo-
nent is required The filter may be
clogged, the air vent
may be blocked or
there may be a gap in
the duct.
Have maintenance per-
formed on the hybrid sys-
tem (traction battery)
cooling component at
your Lexus dealer.