
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
●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

378
ES350 300h_OM_OM33A01U_(U)
5-3. Using the Lexus Display Audio system
■Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular phone is
being used inside or close to the vehicle while the audio system is operating.
CAUTION
■Certification
●Pa r t 1 5 o f t h e F CC Ru l e s
FCC Warning:
Any unauthorized changes or modifications to this equipment will void the user’s
authority to operate this device.
●Laser products
• USE OF CONTROL OR ADJUSTMENT OR PERFORMANCE OF PRO- CEDURES OTHER THAN THOSE SPEC IFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
• THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL INCREASE EYE HAZARD.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the audio system on longer than necessary when the engine
■To avoid damaging the audio system
Take care not to spill drinks or other fluids on the audio system.

446
ES350 300h_OM_OM33A01U_(U)
5-3. Using the Lexus Display Audio system
You can check indicators such as signal strength and battery charge on
the “Phone” screen.Connection status
Battery charge
Call area
Signal strength
■When using the hands-free system
●The audio system is muted when making a call.
●If both parties speak at the same time, it may be difficult to hear.
●If the received call volume is overly loud, an echo may be heard.
If the Bluetooth® phone is too close to the system , quality of the sound may deterio-
rate and connecting condition may go down.
Status display
1
2
3
4
IndicatorsConditions
Connection statusGood Not connected
Battery chargeFull Empty
Call area“Rm”: Roaming area
Signal strengthExcellentPoor

ES350 300h_OM_OM33A01U_(U)
4475-3. Using the Lexus Display Audio system
5
Interior features
●In the following circumstances, it may be difficult to hear the other party:
• When driving on unpaved roads
• When driving at high speeds
• If a window is open
• If the air conditioning is blowing directly on the microphone
• There is an effect from the network of the cellular phone
■Conditions under which the system will not operate
●If using a cellular phone that does not support Bluetooth®
●If the cellular phone is turned off
●If you are outside service range
●If the cellular phone is not connected
●If the cellular phone’s battery is low
●When outgoing is controlled, due to heavy traffic on telephone lines, etc.
●When the cellular phone itself cannot be used
●When transferring the phonebook data from the cellular phone
■Bluetooth® antenna
The antenna is built into the display. If the cellular phone is behind the seat or in the
console box, or touching or covered by metal objects, connection status may deteri-
orate.
■Battery charge/Signal status
●This display may not correspond exact ly with the cellular phone itself.
●This system does not have a charging function.
●The Bluetooth® phone battery will burn quickly when it is connected to Bluetooth®.
●When the cellular phone is not connected, “No Connect” is displayed.
●When you are out of service area or in a place inaccessible by radio waves, “No
service” is displayed.
■When using Bluetooth® audio and hands-free system at the same time
The following problems may occur.
●The Bluetooth® connection may be cut.
●Noise may be heard on the Bluetooth® audio playback.

ES350 300h_OM_OM33A01U_(U)
6435-7. Other interior features
5
Interior features
■Safety Connect Services Information
●Phone calls using the vehicles Bluetooth® technology will not be possible during
Safety Connect.
●Safety Connect is available beginning Fall 2009 on select Lexus models. Contact
with the Safety Connect response center is dependent upon the telematics device
being in operative condition, cellular conn ection availability, and GPS satellite sig-
nal reception, which can limit the ability to reach the response center or receive
emergency service support. Enrollment and Telematics Subscription Service
Agreement required. A variety of subscription terms is available; charges vary by
subscription term selected.
●Automatic Collision Notification, Emergency Assistance and Stolen Vehicle Loca-
tion will function in the United States, including Hawaii and Alaska, and in Canada,
and Enhanced Roadside Assistance will function in the United States (except
Hawaii) and in Canada. No Safety Connect services will function outside of the
United States in countries other than Canada.
●Safety Connect services are not subject to section 255 of the Telecommunications
Act and the device is not TTY compatible.
■Languages
The Safety Connect response center will offer support in multiple languages. The
Safety Connect system will offer voice prompts in English and Spanish. Please indi-
cate your language of choice when enrolling.
■When contacting the response center
You may be unable to contact the response center if the network is busy.

889Alphabetical index
ES350 300h_OM_OM33A01U_(U)
Armrest door ......................................... 626
Assist grip ................................................ 628
Audio input......................................422, 564
Audio system
*............................ 376, 493
Audio input................................422, 564
AUX port...................................422, 564
Bluetooth
® audio.................... 424, 541
CD player .................................394, 505
iPod .............................................. 405, 522
MP3/WMA disc ....................395, 514
Optimal use ............................. 439, 562
Portable music player ..........422, 564
Radio ........................................... 379, 496
Steering wheel audio switch......................................... 441, 565
USB memory ............................ 413, 532
Automatic air conditioning system
*......................................347, 359
Automatic headlight leveling system .................................................... 226
Automatic High Beam ....................... 228
Automatic light control system .................................................... 224
Automatic transmission ....................... 214 If the shift lever cannot be shifted from P .............801
AUX port...................................... 422, 564
Auxiliary box ............................................. 611 Back-up lights
Replacing light bulbs ....................... 735
Wattage .................................................836
Battery (12-volt battery) ........ 685, 690 If the 12-volt battery is discharged ...................... 805, 809
Preparing and checking before winter.................................................... 326
Warning light ....................................... 752
Battery (traction battery) ...................... 74
Bluetooth
®*
Audio system ............................. 424, 541
Hands-free system (for cellular phone) .......... 444, 568
Brake Fluid ..........................................................684
Parking brake .......................................222
Warning light .............................751, 753
Brake assist ............................................. 298
Break-in tips ............................................. 182
Brightness control Instrument panel light control ........ 94
BSM (Blind Spot Monitor) ................. 313
B
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

894Alphabetical index
ES350 300h_OM_OM33A01U_(U)
Hands-free system (for cellular phone)
*............ 444, 568
Head restraints ....................................... 159
Headlights Discharge headlights precautions ........................................ 737
Light switch ........................................... 224
Replacing light bulbs.............................. 726, 727, 736
Wattage ................................................. 836
Heaters Air conditioning system
*.................................. 347, 359
Heated steering wheel ..................... 618
Seat heaters ......................................... 620
Outside rear view mirrors
*.......... 372
High-voltage components ...................74
Hill-start assist control ........................ 304
Hood .......................................................... 669 Warning message .............................766
Hooks Cargo hooks ......................................... 612
Coat hooks ........................................... 627
Grocery bag hooks........................... 612
Retaining hooks (floor mat) ............. 28
Horn ........................................................... 223
Hybrid battery (traction battery) ...................................74
Hybrid battery (traction battery) air vents ................ 75 Hybrid system............................................70
Emergency shut off system ............. 75
Energy monitor/consumption screen ................................................... 108
EV drive mode .......................................211
High voltage components ................74
Hybrid System Indicator ................... 96
Hybrid system precautions ..............74
Hybrid vehicle driving tips ............ 323
If the hybrid system will not start ............................................... 799
Overheating.......................................... 816
“Power” (ignition) switch ............... 204
Starting the hybrid system............. 204
Vehicle proximity notification system ....................................................... 71
Hybrid System Indicator .......................96
Hybrid transmission .............................. 217 If the shift lever cannot be shifted from P .................................... 801
H