2013 Lexus ES350 key battery

TABLE OF CONTENTS6
ES350 300h_OM_OM33A01U_(U)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior ................ 650
Cleaning and protecting the vehicle inte rior.................. 654
6-2. Maintenance Maintenance requirements .............................657
General maintenance.............. 660
Emission inspection and maintenance (I/M)
programs .................................... 664
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 665
Hood ............................................... 669
Positioning a floor jack..............670
Engine compartment ................673
12-volt battery (hybrid vehicles) ...................... 690
Tires.................................................. 694
Tire inflation pressure ............... 703
Wheels ........................................... 706
Air conditioning filter ............... 708
Electronic key battery................710
Checking and replacing fuses................................................ 712
Light bulbs ..................................... 724 7-1. Essential information
Emergency 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
6Maintenance and care7When trouble arises

ES350 300h_OM_OM33A01U_(U)
13
CAUTION
■General precaution regarding children’s safety
Never leave children unattended in the vehicle, and never allow children to have or
use the key.
Children may be able to start the vehicle or shift the vehicle into neutral. There is
also a danger that children may injure th emselves by playing with the windows, the
moon roof, or other features of the vehicle. In addition, heat build-up or extremely
cold temperatures inside the vehicle can be fatal to children.
■Hybrid battery (traction battery) (hybrid vehicles)
Never resell, hand over or modify the hybrid battery. To prevent accidents, hybrid
batteries that have been removed from a disposed vehicle are collected through
Lexus dealers. Do not dispose of the battery yourself.
Unless the battery is properly collected, the following may occur, resulting in death
of serious injury:
●The hybrid battery may be illegally disposed of or dumped, and someone may
touch a high voltage part, resulting in an electric shock.
●The hybrid battery is intended to be used exclusively with your hybrid vehicle. If
the hybrid battery is used outside of your vehicle or modified in any way, acci-
dents such as electric shock, heat generation, smoke generation, an explosion
and electrolyte leakage may occur.
When reselling or handing over your vehicle, the possibility of an accident is
extremely high because the person receiving the vehicle may not be aware of
these dangers.
■Disposal of the hybrid battery (traction battery) (hybrid vehicles)
If your vehicle is disposed of without the hybrid battery having been removed,
there is a danger of serious electric shock if high voltage parts, cables and their
connectors are touched. In the event that your vehicle must be disposed of, the
hybrid battery must be disposed of by your Lexus dealer or a qualified service
shop. If the hybrid battery is not disposed of properly, it may cause electric shock
that can result in death or serious injury.

861-3. Theft deterrent system
ES350 300h_OM_OM33A01U_(U)
■Alarm-operated door lock
●When the alarm is operating, the doors are locked automatically to prevent intrud-
ers.
●Do not leave the key inside the vehicle when the alarm is operating, and make sure
the key is not inside the vehicle when recharging or replacing the battery.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation
of the system cannot be guaranteed.

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ES350 300h_OM_OM33A01U_(U)
3-1. Key information
Keys
The following keys are provided with the vehicle.Electronic keys
• Operating the smart access systemwith push-button start ( P. 1 2 3 )
• Operating the wireless remote control function ( P. 1 3 6 )
Mechanical keys
Key number plate
To take out the mechanical key, push
the release button and take the key
out.
The mechanical key can only be
inserted in one direction, as the key
only has grooves on one side. If the
key cannot be inserted in a lock cylin-
der, turn it over and re-attempt to
insert it.
After using the mechanical key, store
it in the electronic key. Carry the
mechanical key together with the
electronic key. If the electronic key
battery is depleted or the entry func-
tion does not operate properly, you
will need the mechanical key.
(  P. 8 0 2 )
The keys
1
2
3
Using the mechanical key

ES350 300h_OM_OM33A01U_(U)
1293-2. Opening, closing and locking the doors and trunk
3
Operation of each component
■Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key
battery and the vehicle batte ry from being discharged while the vehicle is not in
operation for a long time.
●In the following situations, the smart acce ss system with push-button start may take
some time to unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of the outside of the vehicle for 10 minutes or longer.
• The smart access system with push-butto n start has not been used for 5 days or
longer.
●If the smart access system with push-butto n start has not been used for 14 days or
longer, the doors cannot be unlocked at an y doors except the driver’s door. In this
case, take hold of the driver’s door handle, or use the wireless remote control or the
mechanical key, to unlock the doors.
■Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the
electronic key from receiving radio waves.
Press twice while pressing and holding
. Confirm that the electronic key indi-
cator flashes 4 times.
While the battery-saving mode is set, the
smart access system wi th push-button start
cannot be used. To cancel the function, press
any of the electronic key buttons.

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ES350 300h_OM_OM33A01U_(U)
3-2. Opening, closing and locking the doors and trunk
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the follow-
ing situations, the communication between the electronic key and the vehicle may be
affected, preventing the smar t access system with push-button start, wireless remote
control and engine immobilizer system from operating prop-
erly. (Ways of coping:  P. 8 0 2 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display, air-
port or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wireless
communication device
●When the electronic key is in contact with, or is covered by the following metallic
objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key togeth er with the following devices that emit
radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or person al digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or metallic objects are attached to the rear
window

132
ES350 300h_OM_OM33A01U_(U)
3-2. Opening, closing and locking the doors and trunk
■Note for locking the doors
●Touching the door lock sensor while we aring gloves may delay or prevent lock
operation. Remove the gloves an d touch the lock sensor again.
●If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repe atedly. In that case, follow the following
correction procedures to wash the vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle. (Take care to ensure that the key is not stolen.)
• Set the electronic key to battery-saving mode to disable the smart access sys- tem with push-button start. ( P. 1 2 9 )
●If the electronic key is inside the vehicle and a door handle becomes wet during a
car wash, a message may be shown on th e multi-information display and a buzzer
will sound outside the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work properly if it comes into contact with ice, snow, mud,
etc. Clean the lock sensor and attempt to operate it again, or use the lock sensor
on the lower part of the door handle.
●Fingernails may scrape against the door during operation of the door handle. Be
careful not to injure fingernails or damage the surface of the door.
■Note for the unlocking function
●A sudden approach to the effective rang e or door handle may prevent the doors
from being unlocked. In this case, return the door handle to the original position
and check that the doors unlock befo re pulling the door handle again.
●Gripping the door handle when wearing a glove may not unlock the door.
●If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repe atedly. In that case, follow the following
correction procedures to wash the vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle. (Take care to ensure that the key is not stolen.)
• Set the electronic key to battery-saving mode to disable the smart access sys- tem with push-button start. ( P. 1 2 9 )
●If there is another electronic key in the de tection area, it may take slightly longer to
unlock the doors after the door handle is gripped.
●Fingernails may scrape against the door during operation of the door handle. Be
careful not to injure fingernails or damage the surface of the door.

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ES350 300h_OM_OM33A01U_(U)
3-2. Opening, closing and locking the doors and trunk
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
●If the battery becomes low, an alarm will sound in the cabin when the engine
stops. (P. 7 8 1 )
●As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indicate
that the electronic key battery may be depleted. Replace the battery when neces-
sary. ( P. 7 1 0 )
• The smart access system with push-button start or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances that produce a magnetic field:
•TVs
•Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
•Table lamps
• Induction cookers
■When the electronic key battery is fully depleted
 P. 7 1 0
■Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: P. 8 5 2 )
■If the smart access system with push-but ton start has been deactivated in a cus-
tomized setting
●Locking and unlocking the doors and opening the trunk:
Use the wireless remote control or mechanical key. ( P. 1 3 6 , 8 0 2 )
●Starting the engine and changing “S TART STOP ENGINE” <“POWER”> switch
modes: P. 8 0 3
●Stopping the engine : ( P. 198, 205)