2010 Lexus GS450h steering

363
3-4. Using the hands-free system (for cellular phone)
3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Receiving a call
When a call is received, the following screen is displayed together with a
sound.
Touch or press on the
steering wheel.
■To refuse a call
Touch or press on the steering wheel.
■To adjust the incoming call volume
Touch “-” or “+”. You can also adjust the volume using the steering
switches.
■International calls
Received international calls may not be displayed correctly depending on the
mobile phone in use.

364
3-4. Using the hands-free system (for cellular phone)
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Speaking on the phone
The following screen is displayed when speaking on the phone.
■To adjust the incoming call volume
Touch “-” or “+”. You can also adjust the volume using the steering
switches.
■To prevent the other party from hearing your voice
Touch “Mute”.
■Inputting tones
When using phone services such as an answering service or a bank,
you can store phone numbers and code numbers in the phonebook.
To u c h “ 0 - 9 ” .
Input the number.
If repeated tone symbols* are
stored in the phonebook, “Send”
and “Exit” are displayed on the
right side of the screen.
*: Repeated tone symbols are
symbols or numbers displayed
as p or w, that come after the
phone number. 
(e.g. 056133w0123p#1✽)
Confirm the number displayed on the screen, and touch “Send”.
If you touch “Exit”, this function will end.
STEP1
STEP2
STEP3

365
3-4. Using the hands-free system (for cellular phone)
3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
■To transfer a call
Touch “Call Transfer”.
■To hang up
Touch or press on the steering wheel.
■Interrupt call
When the call is interrupted by the third party while talking, the incom-
ing call message will be displayed.
●To talk with the other party: Touch or press on the steering
wheel.
●To refuse the call: Touch or press on the steering wheel.
Everytime you touch or press on the steering wheel after a
call is interrupted, you will be switched to the other party.
If your cellular phone is not accepted in HFP Ver. 1.5, this function can-
not be used.
■Transferring calls
●It is not possible to transfer from hands-free to a mobile phone while driving.
●If you transfer from a mobile phone to hands-free, the hands-free screen will be
displayed, and you can operate the system using the screen.
●Transfer method and operation may vary according to the mobile phone used.
●For operation of the mobile phone in use, see the phone’s manual.
■While driving
Key input is unavailable.
■Voice recognition during a call
“Mute” and “Send Tones” can be operated by voice recognition. (P. 3 6 0 )
■Interrupt call operation
Interrupt call operation may differ from depending on your phone company and the
cellular phone.

394
3-4. Using the hands-free system (for cellular phone)
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
■Changing the incoming call display mode
You can select the method of the incoming call display.
Display the “Detailed Phone Settings” screen. (
P. 393)
Touch “Incoming Call Display Mode” on the “Detailed Phone
Settings” screen.
Touch “Full Screen” or “Drop
Down”, and touch “Save”.
“Full Screen”: 
The hands-free screen is dis-
played when a call is received,
and you can operate the system
from that screen.
“Drop Down”: 
A message is displayed at the
top of the screen, and you can
only operate the system with the
steering switches.
■Changing the display phone status
You can set the system to show the status confirmation display when
connecting.
Display the “Detailed Phone Settings” screen. (
P. 393)
Touch “Display Phone Status” on the “Detailed Phone Settings”
screen.
Touch “On” or “Off”, and then “Save”.
STEP1
STEP2
STEP3
■To return to the default detailed phone settings
Touch “Default”, and then “Yes”.
STEP1
STEP2
STEP3

395
3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
3-5. Using the interior lights
Interior lights list
Illuminated entry system: The various lights automatically turn on/off
according to the presence of the electronic key, whether the doors are
locked/unlocked, whether the doors are open/closed, and the “POWER”
switch mode.
When the instrument panel light control switch is turned to minimum, the foot
lights, inside door handle lights and shift lever light will turn off. (P. 1 6 2 )
Outer foot light
Steering spot light
Front personal lights
(P. 397)
Shift lever light
Front interior lights (P. 396)
Inside door handle lightsRear personal lights 
(P. 3 9 7 )
Rear interior lights
Door courtesy lights
Foot light
Front scuff light

396
3-5. Using the interior lights
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Interior lights
“ON”
“OFF”
“DOOR”
The interior lights are turned on/off
by the illuminated entry system.
■To prevent 12 volt battery discharge
If the interior lights, personal lights and steering spot light remain ON when the
door is not fully closed or the interior light switch in “DOOR” position, the lights will
go off automatically after 20 minutes.
■Customization that can be configured at Lexus dealer
Setting (e.g. The time elapsed before lights turn off) can be changed. 
(Customizable features
P. 6 1 9 )

451
4-2. Maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal
effort or catching)?
Transmission “Park” 
mechanism• Can the vehicle be hold securely on an
incline with the shift lever in “P”?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and
correct amount of free play?
Brakes
• Pulls to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers• Function properly?
Lights• Do all the lights come on?
• Headlights aimed correctly? (P. 511)
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on an
incline?
Seat belts
• Does the seat belt system operate
smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate properly?
Steering wheel
• Moves smoothly?
• Has correct free play?
• No strange noises?

501
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
FuseAmpereCircuit
8IG210
Multiport fuel injection system/
sequential multiport fuel injection
system, noise filter
9EFI No.210Fuel system, exhaust system
10H-LP R LWR15Headlight low beam (right)
11H-LP L LWR15Headlight low beam (left)
12D/C CUT30DOME, MPX-B
13IGCT No.37. 5Hybrid battery (traction battery)
14IGCT No.27. 5Hybrid system
15MPX-B7. 5
Power windows, door control system,
power seat, electronically controlled
brake system, combination switch, tilt
and telescopic steering, gauges and
meters
16DOME7. 5Interior lights, foot lights, vanity light,
gauges and meters
17ABS MAIN110Electronically controlled brake sys-
tem
18ABS MOTOR30ABS
19ABS MAIN210Electronically controlled brake sys-
tem
20F/ P M P25Fuel system
21EFI25
EFI2, multiport fuel injection system/
sequential multiport fuel injection
system
22INJ20
Multiport fuel injection system/
sequential multiport fuel injection
system