key Lexus ES300h 2015 Service Manual

ES350_300h_OM_OM33B36U_(U)
2094-2. Driving procedures
4
Driving
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended if
the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine. After about 10 seconds, the steering lock motor
will resume functioning.
■When “Check Access System with Elec. Key” is displayed on the multi-information
display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately.
■If the electronic key battery is depleted
→P. 5 8 4
■Operation of the “START STOP ENGINE” switch
●When operating the “START STOP ENGINE” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the “START
STOP ENGINE” switch mode may not change. It is not necessary to press and
hold the switch.
●If attempting to restart the engine immediately after turning the “START STOP
ENGINE” switch off, the engine may not start in some cases. After turning the
“START STOP ENGINE” switch off, please wait a few seconds before restarting
the engine.
■If the smart access system with push-button start has been deactivated in a cus-
tomized setting
→P. 6 7 7
■Odometer and trip meter display
When the “START STOP ENGINE” switch is turned off, the odometer or trip meter
display will extinguish after approximately 30 seconds. “Steering Lock active” will be displayed on
the multi-information display.
Check that the shift lever is set in P. Press the
“START STOP ENGINE” switch while turning
the steering wheel left and right.

212
ES350_300h_OM_OM33B36U_(U)
4-2. Driving procedures
Power (ignition) switch (hybrid vehicles)
Check that the parking brake is set.
Check that the shift lever is set in P.
Firmly depress the brake pedal.
will be displayed on the multi-information display.
If it is not displayed, the hybrid system cannot be started.
Press the “POWER” switch.
Continue depressing the brake pedal
until the hybrid system is completely
started.
The hybrid system can be started from
any “POWER” switch mode.
Check that the “READY” indica-
tor is on.
The vehicle will not move when the
“READY” indicator is off.
Performing the fol lowing operations when ca rrying the electronic key
on your person starts the hybrid system or changes “POWER” switch
modes.
Starting the hybrid system
1
2
3
4
5

ES350_300h_OM_OM33B36U_(U)
2154-2. 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. 76
■Electronic key battery depletion
→P. 1 3 8
■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 4
■Notes for the entry function
→P. 1 3 5
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. (→ P. 8 6 )
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.

216
ES350_300h_OM_OM33B36U_(U)
4-2. Driving procedures
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended if
the hybrid system is turned on and off repeatedly in a short period of time. In this
case, refrain from operating the hybrid system. After about 10 seconds, the steering
lock motor will resume functioning.
■When “Check Access System with Elec. Key” is displayed on the multi-information
display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately.
■If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER” switch
with the shift lever in P and the brake pedal depressed, contact your Lexus dealer
immediately.
■If the hybrid system is malfunctioning
→P. 6 3 7
■If the electronic key battery is depleted
→P. 5 8 4
■Operation of the “POWER” switch
●When operating the “POWER” switch, one short, firm press is enough. If the switch
is pressed improperly, the hybrid system may not start or the “POWER” switch
mode may not change. It is not necessary to press and hold the switch.
●If attempting to restart the hybrid system immediately after turning the “POWER”
switch off, the hybrid system may not start in some cases. After turning the
“POWER” switch off, please wait a few seconds before restarting the hybrid sys-
tem.
■If the smart access system with push-button start has been deactivated in a cus-
tomized setting
→P. 6 7 7
“Steering Lock active” will be displayed on
the multi-information display.
Check that the shift lever is set in P. Press the
“POWER” switch while turning the steering
wheel left and right.

ES350_300h_OM_OM33B36U_(U)
2354-3. Operating the lights and wipers
4
Driving
■Daytime running light system
●To make your vehicle more visible to other drivers, the parking lights turn on auto-
matically (at an increased intensity) whenever the engine is started
and the parking brake is released. Daytime running lights are not designed for use
at night.
For the U.S.A.: Daytime running lights can be turned off by operating the switch.
●Compared to turning on the headlights, the daytime running light system offers
greater durability and consumes less electricity, so it can help improve fuel econ-
omy.
■Headlight control sensor
■Automatic light off system
When the light switch is in , or : The headlights and tail lights turn off 30
seconds after the “START STOP ENGINE” <“POWER”> switch is turned to
ACCESSORY mode or turned off and a door is opened and all of the doors and
trunk are closed. (The lights turn off immediately if on the key is pressed twice
after all the doors are closed.)
To turn the lights on again, turn the “START STOP ENGINE” <“POWER”> switch to
IGNITION ON mode, or turn the light switch off once and then back to
or .
If any of the doors or trunk lid is kept open, the lights automatically turn off after 20
minutes. The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the wind-
shield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.

4726-1. Using the air conditioning system and defogger
ES350_300h_OM_OM33B36U_(U)
■Adjusting the position of and op ening and closing the air outlets
Direct air flow to the left or right, up or down.
Turn the knob to open or close the vent.
■Registering air conditioning settings to electronic keys
●Unlocking the vehicle using an electronic key and turning the “START STOP
ENGINE” <“POWER”> switch to IGNITION ON mode will recall that key’s
registered air conditioning settings.
●When the “START STOP ENGINE” <“POWER”> switch is turned off, the current
air conditioning settings will automatically be registered to the electronic key that
was used to unlock the vehicle.
The system may not operate correctly if more than one electronic key is in the vicinity
or if the smart access system is used to unlock a passenger door.
Settings for the electronic key and the corresponding door can be changed.
Contact your Lexus dealer.
XFrontXRear
1
2

ES350_300h_OM_OM33B36U_(U)
4816-2. Using the interior lights
6
Interior features
■Illuminated entry system
The lights automatically turn on/off according to “START STOP ENGINE”
<“POWER”> switch mode, the presence of the electronic key, whether the doors are
locked/unlocked, and whether the doors are opened/closed.
■To prevent 12-volt battery discharge
If the following lights remain on when the “START STOP ENGINE” <“POWER”>
switch is turned off the lights will go off automatically after 20 minutes:
●Outer foot lights
●Personal/interior light
●Door courtesy lights
●Ornament lights (if equipped)
●Footwell lights
■Customization
Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: →P. 7 3 0 )

484
ES350_300h_OM_OM33B36U_(U)
6-3. Using the storage features
Open (press the button)
Unlock with the mechanical key
Lock with the mechanical key
■Glove box light
The glove box light turns on when the tail lights are on.
■Trunk opener main switch
The trunk opener main switch is located in the glove box. (→P. 1 5 0 )
■Removing the insert
The insert inside the glove box can be removed. ( →P. 5 8 2 )
Glove box
1
2
3

521
ES350_300h_OM_OM33B36U_(U)
7Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior................. 522
Cleaning and protecting the vehicle interior .................. 526
7-2. Maintenance Maintenance requirements............................. 529
General maintenance .............. 532
Emission inspection and maintenance (I/M)
programs .................................... 536
7-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 537
Hood ................................................ 541
Positioning a floor jack ............. 542
Engine compartment ............... 545
12-volt battery (hybrid vehicles) ...................... 562
Tires.................................................. 566
Tire inflation pressure ................577
Wheels .......................................... 580
Air conditioning filter ...............582
Electronic key battery ..............584
Checking and replacing fuses..............................................586
Light bulbs.....................................598

ES350_300h_OM_OM33B36U_(U)
5237-1. Maintenance and care
7
Maintenance and care
■Notes for a smart access system with push-button start
If the door handle becomes wet while the electronic key is within the effective range,
the door may lock and unlock repeatedly. In that case, follow the following correc-
tion procedures to wash the vehicle:
●Place the key in a position 6 ft. (2 m) or more separate from the vehicle while the
vehicle is being washed. (Take care to ensure that the key is not stolen.)
●Set the electronic key to battery-saving mode to disable the smart access system
with push-button start. (→P. 1 3 3 )
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent. Do not use hard
brushes or abrasive cleaners. Do not use strong or harsh chemical cleaners.
Use the same mild detergent and wax as used on the paint.
●Do not use detergent on the wheels when th ey are hot, for example after driving for
long distance in the hot weather.
●Wash detergent from the wheels immediately after use.
■Bumpers and side moldings
Do not scrub with abrasive cleaners.