2010 Lexus HS250h audio

332
3-4. Using the hands-free phone system (for cellular phones)
Using the hands-free system (for cellular phones)
■Audio unit
Display 
A message, name, phone
number
, etc. is displayed.
Lower-case characters and
special characters cannot be
displayed.
Displays information that is
too long to be displayed at
one time on the display (pr

ess
and hold)
Selects speed dials
Selects items such as menu
and number 
Turn: Selects an item 
Press: Inputs the selected
item
Bluetooth
® connection con -
dition
If “BT” is not displayed, the
hands-free phone system
cannot be used.
Reception level

335
3-4. Using the hands-free phone system (for cellular phones)
3
Interior features
Using the hands-free phone system for the first time
Before using the hands-free phone sy stem, it is necessary to register a
cellular phone in the system. The system will enter phone registration
mode automatically when starting th e system with no cellular phone reg-
istered. Follow the procedure below to register (pair) a cellular phone:
Press the off-hook switch or the talk switch.
The introductory guidance and phone name r
egistration instructions are
heard.
Select “Pair Phone” using a voice command or .
Register a phone name by either of the following methods:
a. Select “Record Name” using , and say the name to be
registered.
b. Press the talk switch and say the name to be registered.
A voice guidance instruction to confirm the inpu
t is heard.
Select “Confirm” using a voice command or .
A passkey is displayed and heard, an d a v
oice guidance instruction for
inputting the passkey into the cellular phone is heard.
Input the passkey into the cellular phone.
Refer to the manual that comes with the cellular phone for the opera -
tion of the phone.
Guidance for registration completion is heard.
If the cellular phone has a Bluetooth
® audio player, the audio player can
be registered at the same time. A voic e guidance instruction to register a
Bluetooth
® audio player is heard.
Select “Yes” or “No” using a voice command or .
(Bluetooth
® audio player  P. 312)

348
3-4. Using the hands-free phone system (for cellular phones)
Changing the passkey
Select “Set Passkey” using a voice command or .
Press the talk switch, say a 4 to 8-digit number
, and select
“Confirm” using a voice command or .
When the entire number to be re gister
ed as a passkey has been
input, press again.
If the number to be registered has 8 digits, pressing of the knob is not
necessary.
Deleting a registered cellular phone
Select “Delete Phone” using a voice command or .
Select the cellular phone to be deleted b
y either of the following
methods and select “Confirm” using a v
oice command or
:
a. Press the talk switch and say the name of the desir
ed cellular
phone.
b. Press the talk switch and say “Li st Phones”. When the name of
the desir
ed cellular phone is read aloud, press the talk switch.
If the cellular phone to be deleted is paired as a Bluetooth
® audio player,
the registration of the audio player can be deleted at the same time. A
voice guidance instructio n to delete a Bluetooth
® audio player is heard.
Select “Yes” or “No” using a voice command or .
(Bluetooth
® audio player  P. 312)

353
3-4. Using the hands-free phone system (for cellular phones)
3
Interior features
■Initialization
●The following data in the system can be initialized:
•Phone book
• Outgoing and incoming call history
•Speed dials
• Registered cellular phone data
•Security code
• Registered Bluetooth
® enabled portable player data
• Passkey for the cellular phones
• Passkey for the Bluetooth
® audio players
•Guidance volume
• Receiver volume
• Ring tone volume
●Once the initialization has been complete d, the data cannot be restored to its
original state.
■When the phone book is locked
The following functions cannot be used:
●Dialing by inputting a name
●Speed dialing
●Dialing a number stored in the call history memory
●Using the phone book

408
4-1. Maintenance and care
NOTICE
■Cleaning detergents
Do not use the following types of detergent, as they may discolor the vehicle inte-
rior or cause streaks or damage to painted surfaces:
●Non-seat portions: Organic substances such as benzene or gasoline, alkaline or
acidic solutions, dye, and bleach
●Seats: Alkaline or acidic solutions, such as thinner, benzene, and alcohol
■Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of leather
surfaces:
●Remove any dust or dirt from leather surfaces immediately.
●Do not expose the vehicle to direct sunlight for extended pe riods of time. Park
the vehicle in the shade, especially during summer.
●Do not place items made of vinyl, plastic, or containing wax on the upholstery, as
they may stick to the leather surface if the vehicle interior heats up significantly.
■Water on the floor
Do not wash the vehicle floor with water. 
Vehicle systems such as the audio system may be damaged if water comes into
contact with electrical components such as the audio system above or under the
floor of the vehicle. Water may also cause the body to rust.
■Cleaning the inside of the rear window
●Do not use glass cleaner to clean the rear window, as this may cause damage to
the rear window defogger heater wires or antenna. Use a cloth dampened with
lukewarm water to gently wipe the window clean. Wipe the window in strokes
running parallel to the heater wires or antenna.
●Be careful not to scratch or damage the heater wires or antenna.

458
4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings
Engine compartment
FuseAmpereCircuit
1HTR50 AAir conditioning system
2RDI40 AElectric cooling fans
3OIL PMP10 AHybrid system, transmission
4S-HORN10 ANo circuit
5ABS MAIN NO.27. 5 AElectronically controlled brake system
6H-LP CLN30 AHeadlight cleaner
7AMP NO.130 AAudio system, back door opener
8IGCT30 APCU, IGCT NO.2, IGCT NO.3,
hybrid system
9P CON MAIN7. 5 A
P position control system, hybrid sys-
tem, smart access system with push-
button start

459
4-3. Do-it-yourself maintenance
4
Maintenance and care
10AM27. 5 A
Smart access system with push-button
start, hybrid system, multiport fuel
injection system/sequential multiport
fuel injection system, P position con-
trol system, cruise control system,
dynamic radar cruise control system
11ECU-B27. 5 A
Smart access system with push-button
start, multiport fuel injection system/
sequential multiport fuel injection sys-
tem, trunk opener switch
12MAYDAY10 ALexus link system
13ECU-B310 AAir conditioning system, rear window
defogger, mirror heater
14TURN & HAZ10 ATurn signal lights, emergency flashers
15ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
16ABS MAIN NO.120 AElectronically controlled brake system
17P/I 240 A
P position control system, hybrid sys-
tem, transmission, smart access sys-
tem with push-button start, horn,
headlights (low beam), back-up lights
18ABS MTR 130 AElectronically controlled brake system
19ABS MTR 230 AElectronically controlled brake system
20H-LP HI MAIN20 AHeadlights (high beam)
21AMP NO.230 AAudio system, navigation system
22DOOR NO.225 ANo circuit
FuseAmpereCircuit

460
4-3. Do-it-yourself maintenance
23P/I 160 AIG2, EFI MAIN, BATT FAN
24EPS60 AElectric power steering system
25PCU10 AHybrid system
26IGCT NO.210 A
Smart access system with push-button
start, hybrid system, P position control
system, multiport fuel injection sys-
tem/sequential multiport fuel injection
system
27MIR HTR10 ARear window defogger, mirror heater
28RAD NO.115 AAudio system, navigation system
29DOME10 A
Interior lights, antiglare inside rear
view mirror, audio system, navigation
system, garage door opener
30ECU-B7. 5 A
Smart access system with push-button
start, air conditioning system, gauges
and meters, outside rear view mirror,
clock, seats position memory, electric
tilt & telescopic steering wheel
31H-LP LH HI10 ALeft-hand headlight (high beam)
32H-LP RH HI10 ARight-hand headlight (high beam)
33EFI NO. 210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
34IGCT NO.310 AHybrid system
FuseAmpereCircuit