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ES350 300h_OM_OM33A01U_(U)
2034-2. Driving procedures
4
Driving
NOTICE
■To prevent 12-volt battery discharge
●Do not leave the “START STOP ENGINE” switch in ACCESSORY or IGNI-
TION ON mode for long periods of time without the engine running.
●If “POWER ON” is displayed on the multi-information display, the “START STOP
ENGINE” switch is not off. Exit the vehicle after turning the “START STOP
ENGINE” switch off.
●Do not stop the engine when the shift lever is in a position other than P. If the
engine is stopped in another shift lever position, the “START STOP ENGINE”
switch will not be turned off but instead be turned to ACCESSORY mode. If the
vehicle is left in ACCESSORY mode, 12-volt battery discharge may occur.
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start or stalls frequently, have your vehicle
checked by your Lexus dealer immediately.
■Symptoms indicating a malfunction with the “START STOP ENGINE” switch
If the “START STOP ENGINE” switch seems to be operating somewhat differently
than usual, such as the switch sticking slightly, there may be a malfunction. Contact
your Lexus dealer immediately.
Page 208 of 910

ES350 300h_OM_OM33A01U_(U)
2074-2. Driving procedures
4
Driving
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or ON mode
(the hybrid system is not operating) for more than an hour with the shift lever in P, the
“POWER” switch will automatically turn off. However, this function cannot entirely
prevent 12-volt battery discharge. Do not leave the vehicle with the “POWER”
switch in ACCESSORY or ON mode for long periods of time when the hybrid sys-
tem is not operating.
■Sounds and vibrations specific to a hybrid vehicles
→ P. 7 3
■Electronic key battery depletion
→P. 1 3 4
■When the ambient temperature is low, such as during winter driving conditions
It may take time until the “READY” indicator comes on.
■Conditions affecting operation
→P. 1 3 0
■Notes for the entry function
→P. 1 3 1
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. (→ P. 8 2 )
Contact your Lexus dealer.
●Check that the shift lever is securely set in P. The hybrid system may not start if the
shift lever is displaced out of P. “Shift to P position when starting” will be displayed
on the multi-information display.
■Steering lock
After turning the “POWER” switch off and opening and closing the doors, the steer-
ing wheel will be locked due to the steering lock function. Operating the “POWER”
switch again automatically cancels the steering lock.
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210
ES350 300h_OM_OM33A01U_(U)
4-2. Driving procedures
NOTICE
■To prevent 12-volt battery discharge
●Do not leave the “POWER” switch in ACCESSORY or ON mode for long peri-
ods of time without the hybrid system on.
●If “POWER ON” is displayed on the multi-information display, the “POWER”
switch is not off. Exit the vehicle after turning the “POWER” switch off.
●Do not stop the hybrid system when the shift lever is in a position other than P. If
the hybrid system is stopped in another shift lever position, the “POWER” switch
will not be turned off but instead be turned to ACCESSORY mode. If the vehicle
is left in ACCESSORY mode, 12-volt battery discharge may occur.
■When starting the hybrid system
●Do not depress the accelerator pedal unnecessarily.
●If the hybrid system becomes difficult to start, have your vehicle checked by your
Lexus dealer immediately.
■Symptoms indicating a malfunction with the “POWER” switch
If the “POWER” switch seems to be operating somewhat differently than usual,
such as the switch sticking slightly, there may be a malfunction. Contact your Lexus
dealer immediately.
Page 221 of 910
220
ES350 300h_OM_OM33A01U_(U)
4-2. Driving procedures
CAUTION
■When driving on slippery road surfaces
Do not accelerate or shift gears suddenly.
Sudden changes in engine braking may cause the vehicle to spin or skid, resulting
in an accident.
NOTICE
■Hybrid battery (traction battery) charge
If the shift lever is in N, the hybrid battery (traction battery) will not be charged
even when the engine is running. Therefore, if the vehicle is left with the shift lever
in N for a long period of time, the hybrid battery (traction battery) will discharge,
and this may result in the vehicle not being able to start.
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221
ES350 300h_OM_OM33A01U_(U)
4-2. Driving procedures
4
Driving
Tu r n s i g n a l l e v e r
Right turn
Lane change to the right (move
the lever partway and then
release it)
The right hand signals will flash 3
times.
Lane change to the left (move the
lever partway and then release it)
The left hand signals will flash 3 times.
Left turn
■Turn signals can be operated when
The “START STOP ENGINE” <“POWER”> switch is in IGNITION ON
mode.
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
■If the turn signals stop flashing before a lane change has been performed
Operate the lever again.
■To discontinue flashing of the turn signals during a lane change
Operate the lever in the opposite direction.
■Customization
The number of times the turn signals flash during a lane change can be changed.
( → P. 8 5 2 )
Operating instructions
1
2
3
4
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ES350 300h_OM_OM33A01U_(U)
2274-3. Operating the lights and wipers
4
Driving
■Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: →P. 8 5 2 )
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the engine is not running
.
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240
ES350 300h_OM_OM33A01U_(U)
4-4. Refueling
CAUTION
■When refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do so may
result in death or serious injury.
●After exiting the vehicle and before opening the fuel door, touch an unpainted
metal surface to discharge any static electricity. It is important to discharge static
electricity before refueling because sparks resulting from static electricity can
cause fuel vapors to ignite while refueling.
●Always hold the grips on the fuel tank cap and turn it slowly to remove it.
A whooshing sound may be heard when the fuel tank cap is loosened. Wait until
the sound cannot be heard before fully removing the cap. In hot weather, pressur-
ized fuel may spray out the filler neck and cause injury.
●Do not allow anyone that has not discharged static electricity from their body to
come close to an open fuel tank.
●Do not inhale vaporized fuel.
Fuel contains substances that are harmful if inhaled.
●Do not smoke while refueling the vehicle.
Doing so may cause the fuel to ignite and cause a fire.
●Do not return to the vehicle or touch any person or object that is statically
charged.
This may cause static electricity to build up, resulting in a possible ignition hazard.
■When refueling
Observe the following precautions to prevent fuel overflowing from the fuel tank:
●Securely insert the fuel nozzle into the fuel filler neck.
●Stop filling the tank after the fuel nozzle automatically clicks off.
●Do not top off the fuel tank.
NOTICE
■Refueling
Do not spill fuel during refueling.
Doing so may damage the vehicle, such as causing the emission control system to
operate abnormally or damaging fuel system components or the vehicle’s painted
surface.
Page 302 of 910

ES350 300h_OM_OM33A01U_(U)
3014-5. Using the driving support systems
4
Driving
■When the message is displayed on the multi-information display showing that
TRAC has been disabled even if the VSC OFF switch has not been pressed
TRAC and hill-start assist control (hybrid vehicles) cannot be operated. Contact
your Lexus dealer.
■When the 12-volt battery is disconnected
The steering wheel may move from its straight forward position, but this will be cor-
rected automatically when driving.
■Sounds and vibrations caused by the ABS, brake assist, VSC and TRAC systems
●A sound may be heard from the engine compartment when the brake pedal is
depressed repeatedly, when the engine is started or just after the
vehicle begins to move. This sound does not indicate that a malfunction has
occurred in any of these systems.
●Any of the following conditions may occur when the above systems are operating.
None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated. (gasoline vehi-cles)
• The brake pedal may move down slightly after the ABS is activated. (gasoline vehicles)
■EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be heard.
This does not indicate a malfunction.
■Automatic reactivation of TRAC and VSC systems
After turing the TRAC and VSC systems off, the systems will be automatically reacti-
vated in the following situations:
●When the “START STOP ENGINE” <“POWER”> switch is turned off
●If only the TRAC system is turned off, the TRAC will turn on when vehicle speed
increases.
If both the TRAC and VSC systems are turned off, automatic reactivation will not
occur when vehicle speed increases.