2015 Lexus IS250 battery

319
5
Lexus Display Audio system
IS350/250_U (OM53C50U)5-9. Bluetooth
® Phone
Before making a phone call, check the connection status, battery charge, call
area and signal strength. (
→P. 3 2 0 )
If a Bluetooth
® device cannot be connected, check the connection status. If the
device is not connected, either register or reconnect it. (
→P. 312, 314)
To display the screen shown below, press the switch on the steering wheel or
select “Phone” on the “Menu” screen. Phone name
Bluetooth
® connection status
( → P. 3 2 0 )
Display the call history screen
( → P. 323)
Display the favorites screen
( → P. 323)
Display the contacts screen
( → P. 3 2 1 )
Display the dial pad screen ( →P. 3 2 1 )
Display the message inbox screen ( →P. 3 2 7 )
Using a Bluetooth® Phone
The hands-free system is a function that allows you to use your cellular phone
without touching it.
This system supports Bluetooth
®. Bluetooth® is a wireless data system that
allows the cellular phone to wirelessly connect to the hands-free system and
make/receive calls.
Phone top screen
1
2
3
4
5
6
7

3205-9. Bluetooth® Phone
IS350/250_U (OM53C50U)
◆Te l e p h o n e s w i t c h ( →P. 3 2 9 )
◆Microphone
The vehicle’s built-in microphone is
used when talking on the phone.
The person you are speaking to can be
heard from the front speakers.
To use the hands-free system, you must register your Bluetooth
® phone in the
system. ( →P. 311)
You can check indicators such as signal strength and battery charge on any
screen.
Connection status
Signal strength
Battery charge
Status display
1
2
3
IndicatorsConditions
Connection statusGood Poor
Battery chargeFullEmpty
Signal strengthExcellent Poor

3395-11. Bluetooth®
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
XIn other situations
Even though all conceivable measures have been taken, the symptom status does not
change.
The cellular phone is not close enough to this system.
→Bring the cellular phone closer to this system.
Radio interference has occurred.
→Turn off Wi-Fi devices or other devices that may emit radio waves.
The cellular phone is the most likely cause of the symptom.
→Turn the cellular phone off, remove and reinstall the battery pack, and then
restart the cellular phone.
→ Enable the cellular phone’s Bluetooth
® connection.
→ Disable the Wi-Fi connection of the cellular phone.
→ Stop the cellular phone’s security so ftware and close all applications.
→ Before using an application installed on the cellular phone, carefully check its
source and how its operation might affect this system.

3405-11. Bluetooth®
IS350/250_U (OM53C50U)
■When using the Bluetooth® audio system
●In the following situations, the system may not function.
• If the portable audio player is turned off
• If the portable audio player is not connected
• If the portable audio player’s battery is low
●There may be a delay if a cellular phone connection is made during Bluetooth® audio
play.
●Depending on the type of portable audio player that is connected to the system, opera-
tion may differ slightly and certain functions may not be available.
■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 deteriorate
and connection status may deteriorate.
●In the following situations, 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
• If there is interference 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 of cellular phone service coverage
●If the cellular phone is not connected
●If the cellular phone’s battery is low
●When outgoing calls are controlled, due to heavy traffic on telephone lines, etc.
●When the cellular phone itself cannot be used
●When transferring phonebook data from the cellular phone
Bluetooth®

3415-11. Bluetooth®
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
■Bluetooth® antenna
The antenna is built into the display.
If the portable audio player is behind the se at or in the glove box or console box, or is
touching or covered by metal objects, the connection status may deteriorate.
If the cellular phone is behind the seat or in the console box, or touching or covered by
metal objects, the connectio n status may deteriorate.
■Battery charge/signal status
●This display may not correspond exactly with the portable audio player or cellular
phone itself.
●This system does not have a charging function.
●The portable audio player or cellular phone battery will be depleted quickly when the
device is connected to Bluetooth®.
■When using the Bluetooth® audio and hands-free system at the same time
The following problems may occur.
●The Bluetooth® audio connection may be interrupted.
●Noise may be heard during Bluetooth® audio playback.
■About the contact in this system
The following data is stored for every registered cellular phone. When another phone is
connecting, you cannot read the registered data.
●Contact data
●Call history
●Favorite
●Message
When removing a Bluetooth® phone from the system, the above-mentioned data is also
deleted.
■About Bluetooth®
Bluetooth® is a registered trademark of
Bluetooth SIG, Inc.
The Bluetooth
® word mark and logos are
owned by the Bluetooth SIG, Inc. and any use of
such marks by PIONEER Corporation is under
license. Other trademarks and trade names are
those of their respective owners.

3656-1. Using the air conditioning system
6
Interior features
IS350/250_U (OM53C50U)
■When the outside temperature falls to nearly 32 °F (0 °C)
The dehumidification function may not operate even when is pressed or “A/C” is
selected.
■Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning system to the outside air mode.
●During use, various odors from inside and outside the vehicle may enter into and accu-
mulate in the air conditioning system. This may then cause odor to be emitted from the
vents.
●To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time immediately after the air conditioning system is started in automatic mode.
■Air conditioning filter
→ P. 4 3 7
■Customization
Settings (e.g. A/C Auto switch operation) can be changed.
(Customizable features →P. 5 4 3 )
CAUTION
■To prevent the windshield from fogging up
●Do not use during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outside air and that of the windshield can cause
the outer surface of the windshield to fog up, blocking your vision.
■To prevent burns
●Do not touch the rear view mirror surfaces when the outside rear view mirror defog-
gers are on.
●Do not touch the glass at lower part of the windshield or to the side of the front pillars
when the windshield wiper de-icer is on.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the engine is
stopped.
●Do not place anything on the instrument
panel which may cover the air outlets. Other-
wise, air flow may be obstructed, preventing
the windshield defoggers from defogging.

3666-1. Using the air conditioning system
IS350/250_U (OM53C50U)
Turn the heated steering wheel on/off
The indicator light comes on when the
heated steering wheel is operating.
The heated steering wheel will automat-
ically turn off after about 30 minutes.
Heated steering wheel∗/seat heaters∗/seat ventila-
tors
∗
∗
: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats.
CAUTION
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel or seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)
●Observe the following precautions to prevent the minor burns or overheating
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
●Do not put heavy objects that have an uneven surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat.
●To prevent battery discharge, do not use the functions when the engine is off.
Heated steering wheel

3696-2. Using the interior lights
6
Interior features
IS350/250_U (OM53C50U)
Turns the light on/off
Turns the door position on/off
Turns the light on/off
●Illuminated entry system: The lights automa tically turn on/off according to engine
switch mode, the presence of the electronic key, whether the doors are locked/
unlocked, and whether the doors are opened/closed.
●If the interior lights remain on when the d oor is not fully closed and the interior light
main switch is in the door position, the lights will go off automatically after 20 minutes.
●Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: →P. 5 3 7 )
Interior lights
1
2
Personal lights
XFrontXRear
NOTICE
To prevent battery discharge, do not leave the lights on longer than necessary when the
engine is off.