Page 756 of 917
7557-2. Steps to take in an emergency
ES350_300h_OM_OM33A60U_(U)
7
When trouble arises
If your Lexus is transported by a flat
bed truck, it should be tied down at
the locations shown in the illustra-
tion.
If you use chains or cables to tie
down your vehicle, the angles
shaded in black must be 45 .
Do not overly tighten the tie downs
or the vehicle may be damaged.
■Before emergency towing Release the parking brake.
Shift the shift lever to N.
Gasoline vehicles: Turn the “START STOP ENGINE” switch to ACCESSORY
(engine off) or IGNITION ON (engine running) mode.
Hybrid vehicles: Turn the “POWER” swit ch to ACCESSORY (hybrid system off)
or ON (hybrid system operating) mode.
Using a flat bed truck
1
2
3
Page 764 of 917

7637-2. Steps to take in an emergency
ES350_300h_OM_OM33A60U_(U)
7
When trouble arises
*1: Open door warning buzzer: P. 7 74
*2: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to al ert the driver that his or her seat belt is
not fastened. Once the “START STOP EN GINE” <“POWER”> switch is turned to
IGNITION ON mode, the buzzer sounds for 6 seconds. If the vehicle
reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If the seat belt is
still unfastened after 30 seconds, the buzz er will sound intermittently for 10 sec-
onds. Then, if the seat belt is still unfast ened, the buzzer will sound in a different
tone for 20 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer soun ds to alert the front passenger that his
or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a
speed of 12 mph (20 km/h). If the seat be lt is still unfastened after 30 seconds,
the buzzer will sound intermittently for 10 seconds. Then, if the seat belt is still
unfastened, the buzzer will sound in a different tone for 20 more seconds.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such
as
• Natural causes ( P. 765)
• Flat tire ( P. 7 9 2 )
Adjust the tire inflation pressure
(including the full-size spare
tire) to the specified level.
The light will turn off after a
few minutes. In case the light
does not turn off even if the
tire inflation pressure is
adjusted, have the system
checked by your Lexus
dealer.
When the light comes on after
blinking for 1 minute:
Malfunction in the tire pressure
warning system
Have the system checked by
your Lexus dealer.
Warning lightWarning light/DetailsCorrection procedure
Page 766 of 917

7657-2. Steps to take in an emergency
ES350_300h_OM_OM33A60U_(U)
7
When trouble arises
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural
air leaks and tire inflation pressure changes caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light (after a few minutes).
■When a tire is replaced with a spare tire
Vehicles with a compact spare tire: The compact spare tire is not equipped with a tire
pressure warning valve and transmitter. If a tire goes flat, the tire pressure warning
light will not turn off even though the flat tire has been replaced with the spare tire.
Vehicles with a full-size spare tire: The spare tire is also equipped with a tire pressure
warning valve and transmitter. The tire pressure warning light will turn on if the tire
inflation pressure of the spare tire is low. If a tire goes flat, the tire pressure warning
light will not turn off even though the flat tire has been replaced with the spare tire.
■Conditions that the tire pressure warning system may not function properly
P. 7 0 7
■If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute when
the “START STOP ENGINE” <“POWER”> switch is turned to IGNITION ON
mode, have it checked by your Lexus dealer.
■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the warn-
ing buzzer may sound.
■Warning buzzer
In some cases, the buzzer may not be he ard because of noisy place or an audio
sound.
Page 841 of 917
840
ES350_300h_OM_OM33A60U_(U)
8-1. Specifications
Ignition system
Spark plug
MakeGasoline vehicles
DENSO FK20HR11
Hybrid vehicles
DENSO FK16HR-A8
GapGasoline vehicles
0.043 in. (1.1 mm)
Hybrid vehicles
0.031 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Page 893 of 917

892What to do if... (Troubleshooting)
ES350_300h_OM_OM33A60U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. ( P. 123)
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
( P. 1 2 4 )
●Is the electronic key battery weak or depleted? ( P. 7 1 9 )
●Is the “START STOP ENGINE” <“POWER”> switch in
IGNITION ON mode?
When locking the doors, turn the “START STOP ENGINE”
<“POWER”> switch off. ( P. 202, 209)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the elec-
tronic key on your person.
●The function may not operate pr operly due to the condition of
the radio wave. ( P. 1 3 2 )
If you have a problem, check the following before contacting your
Lexus dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
Page 895 of 917
894What to do if... (Troubleshooting)
ES350_300h_OM_OM33A60U_(U)●
Did you press the “START STOP ENGINE” <“POWER”>
switch while firmly depressing the brake pedal? (
P. 201,
208)
●Is the shift lever in P? ( P. 204, 211)
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 2 8 )
●Is the steering wheel unlocked? ( P. 205, 212)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a tem-
porary way. ( P. 8 1 1 )
●Is the 12-volt battery discharged? ( P. 813, 817)
●Is the “START STOP ENGINE” <“POWER”> switch in
IGNITION ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the “START STOP ENGINE” <“POWER”> switch in
IGNITION ON mode ( P. 8 0 9 )
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
Page 896 of 917
895What to do if... (Troubleshooting)
ES350_300h_OM_OM33A60U_(U)●
It is locked automatically to prevent theft of the vehicle.
(
P. 204, 211)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (P. 1 74 )
●Gasoline vehicles: The auto pow er off function will be operated
if the vehicle is left in ACCE SSORY or IGNITION ON mode
(the engine is not running) for a period of time. ( P. 2 0 4 )
●Hybrid vehicles: The auto power off function will be operated if
the vehicle is left in ACCE SSORY or ON mode (the hybrid
system is not operating) for a period of time. ( P. 211)
The steering wheel cannot be turn
ed after the engine
system> is stopped
The windows do not open or close by operating the power win-
dow switches
The “START STOP ENGINE” <“POWER”> switch is turned off
automatically
Page 897 of 917
896What to do if... (Troubleshooting)
ES350_300h_OM_OM33A60U_(U)●
The seat belt remind
er light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 76 2 )
●The parking brake indicator is on
Is the parking brake released? ( P. 2 2 6 )
Depending on the situation, ot her types of warning buzzer may
also sound. ( P. 759, 769)
●Did anyone inside the vehicle op en a door during setting the
alarm?
The sensor detects it and the alarm sounds. ( P. 8 6 )
To stop the alarm, turn the “START STOP ENGINE” <“POWER”>
switch to IGNITION ON mo de or start the engine
system>.
●Is the electronic key left insid e the vehicle or the moon roof
opened?
Check the message on the multi-information display.
( P. 76 9 )
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle