Page 739 of 908

739
ES350 300h_OM_OM33A01U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers................... 740
If your vehicle has to be stopped in an emergency ...... 741 7-2. Steps to take in an emergency
If your vehicle needs to be towed ................................. 743
If you think something is wrong ................. 749
Fuel pump shut off system (gasoline vehicles) .................. 750
If a warning light turns on or a warning buzzer sounds ....... 751
If a warning message is displayed .................................. 761
If you have a flat tire................... 784
If the engine will not start (gasoline vehicles) ...................797
If the hybrid system will not start (hybrid vehicles) ............ 799
If the shift lever cannot be shifted from P ...................... 801
If the electronic key does not operate properly .....................802
If the 12-volt battery is discharged (gasoline
vehicles) ..................................... 805
If the 12-volt battery is discharged (hybrid
vehicles) ..................................... 809
If your vehicle overheats (gasoline vehicles) ................... 813
If your vehicle overheats (hybrid vehicles) ....................... 816
If the vehicle becomes stuck .............................................820
Page 777 of 908

7777-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
After taking the specified steps to correct the suspected problem, check
that the warning message and light go off.
Have the malfunction repaired immediately.
Interior buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once
The electronic key
is not detected
when an attempt is
made to start the
engine
tem>.Start the
engine with
the elec-
tronic key
present.
Once3
times
The electronic key
was carried out-
side the vehicle and
a door other than
the driver’s door
was opened and
closed while the
“START STOP
ENGINE”
<“POWER”> switch
was in a mode
other than off.
Bring the
electronic
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 “START
STOP ENGINE”
<“POWER”> switch
was not turned off.Tu r n t h e
“START
STOP
ENGINE”
<“POWER”
> switch off
or bring the
electronic
key back
into the
vehicle.
(Flashes)
(Flashes)
Page 778 of 908
7787-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
InteriorbuzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
OnceCon-
tinuous
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors with-
out first turning the
“START STOP
ENGINE”
<“POWER”> switch
off when the shift
lever was in P.
Tu r n t h e
“START
STOP
ENGINE”
<“POWER”>
switch off
and lock the
doors again.
9
times
An attempt was
made to drive when
the regular key was
not inside the vehi-
cle.Confirm
that the
electronic
key is inside
the vehicle.
Con-
tinuous
The driver’s door
was opened when
the shift lever was
not in P and the
“START STOP
ENGINE”
<“POWER”> switch
was not turned off.
Shift the
shift lever to
P.
(Displayed alternately)
(Flashes)
(Flashes)
(Flashes)
Page 779 of 908

7797-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
InteriorbuzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Con-
tinuousCon-
tinuous
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
“START STOP
ENGINE”
<“POWER”> switch
was not turned off.
• Shift the shift lever
to P.
•Bring the elec-
tronic key
back into
the vehi-
cle.
Con-
tinuous
An attempt was
made to lock the
doors using the
smart access sys-
tem with push-but-
ton start while the
electronic key was
still inside the vehi-
cle.
Retrieve the
electronic
key from the
vehicle and
lock the
doors again.
OnceCon-
tinuous
An attempt was
made to lock either
front door by open-
ing a door and put-
ting the inside lock
button into the lock
position, then clos-
ing the door with
the electronic key
still inside the vehi-
cle.
Retrieve the
electronic
key from the
vehicle and
lock the
doors again.
(Displayed alternately)
(Flashes)
(Flashes)
(Flashes)
Page 780 of 908
7807-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
InteriorbuzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once
Gasoline vehicles
Hybrid vehicles
•When the doors were unlocked
with the mechan-
ical key and then
the “START
STOP ENGINE”
<“POWER”>
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 “START
STOP ENGINE”
<“POWER”>
switch was
pressed two con-
secutive times.
To u c h t h e
electronic
key to the
“START
STOP
ENGINE”
<“POWER”>
switch while
depressing
the brake
pedal.
Once
Gasoline vehicles
Hybrid vehicles
An attempt was
made to start the
engine
tem> with the shift
lever in an incorrect
position.Shift the
shift lever to
P and start
the engine
tem>.
(Flashes)
(Flashes)
(Flashes)
(Flashes)
Page 781 of 908
7817-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
InteriorbuzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Power was turned
off due to the auto-
matic power off
function.
Next time
when start-
ing the
engine
tem>,
increase the
engine
speed
slightly and
maintain
that level for
approxi-
mately 5
minutes to
recharge
the 12-volt
battery.
OnceThe electronic key
has a low battery.
Replace the
electronic
key batter y.
( P. 7 1 0 )
Page 782 of 908

7827-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
InteriorbuzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once
Gasoline vehicles
Hybrid vehicles
The driver’s door
was opened and
closed with the
“START STOP
ENGINE”
<“POWER”> switch
turned off and then
the “START STOP
ENGINE”
<“POWER”> switch
was put in ACCES-
SORY mode twice
without the engine
being started.
Press the
“START
STOP
ENGINE”
<“POWER”>
switch while
depressing
the brake
pedal.
During an engine
starting procedure
in the event that the
electronic key was
not functioning
properly ( P.
803), the “START
STOP ENGINE”
<“POWER”> switch
was touched with
the electronic key.
Press the
“START
STOP
ENGINE”
<“POWER”>
switch within
10 seconds
of the buzzer
sounding.
Once
The steering lock
could not be
released within 3
seconds of the
“START STOP
ENGINE”
<“POWER”> switch
being pressed.
Press the
“START
STOP
ENGINE”
<“POWER”>
switch while
depressing
the brake
pedal and
moving the
steering
wheel left
and right.
(Flashes)
(Flashes)
(Flashes)
Page 797 of 908

797
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the engine will not start (gasoline vehicles)
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●The engine may be flooded.
Try to restart the engine again foll owing correct starting procedures.
( P. 1 9 7 )
●There may be a malfunction in the engine immobilizer system.
( P. 8 0 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 805)
●The 12-volt battery terminal connecti ons may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical
problem such as electronic key ba ttery depletion or a blown fuse. How-
ever, an interim measure is available to start the engine. ( P. 7 9 8 )
If the engine will not start even though correct starting procedures are
being followed ( P. 197), consider each of the following points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
The starter motor does not turn over