2013 Lexus ES300h change key battery

134
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-button 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 “START STOP ENGINE” <“POWER”> switch
modes: →P. 8 0 3
●Stopping the engine : ( →P. 1 9 8 , 2 0 5 )

138
ES350 300h_OM_OM33A01U_(U)
3-2. Opening, closing and locking the doors and trunk
■If the wireless remote control does not operate properly
Locking and unlocking the doors and opening the trunk: Use the mechanical key.
(→ P. 8 0 2 )
■Electronic key battery depletion
→P. 1 3 4
■When the electronic key battery is fully depleted
→P. 7 1 0
■Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your
Lexus dealer for details.
■Customization
Settings (e.g. wireless remote control system) can be changed.
(Customizable features: → P. 8 5 2 )
■Certification for wireless remote control
XFor vehicles sold in the U.S.A.
FCC ID: HYQ23AAB FCC ID: HYQ14FBA
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for com-
pliance could void the user’s authority to operate the equipment.
XFor vehicles sold in Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.

172
ES350 300h_OM_OM33A01U_(U)
3-5. Opening, closing the windows and moon roof
■Door lock linked window operation
●The power windows can be opened and closed using the mechanical key.*
(→ P. 8 0 2 )
●The power windows can be opened using the wireless remote control.* (→ P. 1 3 6 )
*: These settings must be customized at your Lexus dealer.
■When the 12-volt battery is disconnected
The window lock switch is disabled. If necessary, press the window lock switch after
reconnecting the battery.
■Power windows open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the
instrument cluster when the “START STOP ENGINE” <“POWER”> switch is turned
off and the driver’s door is opened with the power windows open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: →P. 8 5 2 )
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■Closing the windows
●Check to make sure that all passengers do not have any part of their body in a
position where it could be caught when a window is being operated.
●Do not allow children to operate the power windows.
Closing a power window on someone can cause serious injury, and in some
instances, even death.
■Jam protection function
●Never use any part of your body to intentionally activate the jam protection func-
tion.
●The jam protection function may not work if something gets caught just before
the window fully closes.

ES350 300h_OM_OM33A01U_(U)
2014-2. 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. 7 1 0
■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. 8 0 2
■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.

208
ES350 300h_OM_OM33A01U_(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. 76 2
■If the electronic key battery is depleted
→P. 7 1 0
■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. 8 0 2
“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_OM33A01U_(U)
6055-5. Using the interior lights
5
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 door is not fully closed and the personal/
interior light main switch is in the door position, 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. 8 5 2 )

8047-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
■Stopping the engine
Shift the shift lever to P and press the “START STOP ENGINE” <“POWER”> switch
as you normally do when stopping the engine .
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted. (→P. 7 1 0 )
■Changing “START STOP ENGINE” <“POWER”> switch modes
Release the brake pedal and press the “START STOP ENGINE” <“POWER”> switch
in step above.
The engine does not star t and modes will be changed each time the
switch is pressed. ( →P. 1 9 8 , 2 0 5 )
■When the electronic key does not work properly
●Make sure that the smart access system with push-button start has not been deac-
tivated in the customization setting. If it is off, turn the function on.
(Customizable features →P. 8 5 2 )
●Check if battery-saving mode is set. If it is set, cancel the function. ( →P. 129)
3