2012 Lexus HS250h audio

346
3-4. Using the hands-free phone system (for cellular phones)
HS250h_U_75050U
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 (press
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

349
3-4. Using the hands-free phone system (for cellular phones)
3
Interior features
HS250h_U_75050U
Using the hands-free phone system for the first time
Before using the hands-free phone system, it is necessary to register a
cellular phone in the system. The system will enter phone registration
mode automatically when starting the 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 registration 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 beregistered.
b. Press the talk switch and say the name to be registered.
A voice guidance instruction to confirm the input is heard.
Select “Confirm” using a voice command or .
A passkey is displayed and heard, and a voice 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 voice guidance instruction to register a
Bluetooth
® audio player is heard.
Select “Yes” or “No” using a voice command or .
(Bluetooth
® audio player →P. 326)

362
3-4. Using the hands-free phone system (for cellular phones)
HS250h_U_75050U
Changing the passkeySelect “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 registered 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 phoneSelect “Delete Phone” using a voice command or .
Select the cellular phone to be deleted by either of the following
methods and select “Confirm” using a voice command or :
a. Press the talk switch and say the name of the desired cellular phone.
b. Press the talk switch and say “List Phones”. When the name of the desired 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 instruction to delete a Bluetooth
® audio player is heard.
Select “Yes” or “No” using a voice command or .
(Bluetooth
® audio player → P. 326)

367
3-4. Using the hands-free phone system (for cellular phones)
3
Interior features
HS250h_U_75050U
■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 completed, 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

422
4-1. Maintenance and care
HS250h_U_75050U
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, alkalineor acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alcohol
●Do not use polish wax or polish cleaner. The instrument panel’s or other interior
part’s painted surface may be damaged.
■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 periods 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.

472
4-3. Do-it-yourself maintenance
HS250h_U_75050U
Fuse layout and amperage ratingsEngine 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
7P- CO N M T R30 A
P position control system, hybrid sys-
tem, smart access system with push-
button start
8AMP NO.130 AAudio system, back door opener
9IGCT30 APCU, IGCT NO.2, IGCT NO.3,
hybrid system

473
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U
10P CON MAIN7. 5 A
P position control system, hybrid sys-
tem, smart access system with push-
button start
11AM27. 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
12ECU-B27. 5 A
Smart access system with push-button
start, multiport fuel injection system/
sequential multiport fuel injection sys-
tem, trunk opener switch
13MAYDAY10 AMAYDAY
14ECU-B310 AAir conditioning system, rear window
defogger, mirror heater
15TURN & HAZ10 ATurn signal lights, emergency flashers
16ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
17ABS MAIN NO.120 AElectronically controlled brake system
18P/ 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
19ABS MTR 130 AElectronically controlled brake system
20ABS MTR 230 AElectronically controlled brake system
21H-LP HI MAIN20 AHeadlights (high beam)
22AMP NO.230 AAudio system, navigation system
FuseAmpereCircuit

474
4-3. Do-it-yourself maintenance
HS250h_U_75050U
23DOOR NO.225 APower door lock system
24P/ I 160 AIG2, EFI MAIN, BATT FAN
25EPS60 AElectric power steering system
26PCU10 AHybrid system
27IGCT 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
28MIR HTR10 ARear window defogger, mirror heater
29RAD NO.115 AAudio system, navigation system
30DOME10 A
Interior lights, antiglare inside rear
view mirror, audio system, navigation
system, garage door opener
31ECU-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
32H-LP LH HI10 ALeft-hand headlight (high beam)
33H-LP RH HI10 ARight-hand headlight (high beam)
34EFI NO. 210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
35IGCT NO.310 AHybrid system
FuseAmpereCircuit