power steering Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. (OM30727U) User Guide

165
2-4. Using other driving systems
2
When driving
■VGRS is disabled in the following situations
●During stopping or the steering wheel has been moved for a long time while
driving at lower speeds.
●After the hybrid system is restarted at less than -22°F (-30°C).
■Reduced effectiveness of EPS
The effectiveness of EPS is reduced to prevent the system from overheating when
there is frequent steering input over an extended period of time. The steering wheel
may feel heavy as a result. Should this occur, refrain from excessive steering input or
stop the vehicle and turn the hybrid system OFF. The system should return to nor-
mal within 10 minutes.
CAUTION
Any of the following conditions may result in an accident which could cause death or
serious injury:
■The ABS does not operate effectively when
●The limits of tire gripping performance have been exceeded.
●The vehicle hydroplanes while driving at high speed on the wet or slick road.
■Stopping distance when the ABS is op erating on the wet or slick roads
The ABS is not designed to shorten the ve hicle’s stopping distance. Always main-
tain a safe distance from the vehicle in front of you in the following situations.
●When driving on dirt, gravel or snow-covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with potholes or roads with uneven roads
■TRAC may not operate effectively when
Directional control and power may not be ac hievable while driving on slippery road
surfaces, even if the TRAC is operating. 
Do not drive the vehicle in conditions where stability and power may be lost.

Interior features3
181
3-1. Using the touch screen ......... 182Touch screen ................................ 182
Setting the touch screen ......... 185
3-2. Using the air conditioning  system and defogger ............ 191
Automatic air conditioning 
system ........................................... 191
Rear window and outside rear 
view mirror defoggers............... 199
3-3. Using the audio system ....... 200 Audio system type ................... 200
Using the radio ........................... 203
Using the cassette player........ 212
Using the CD player ................. 216
Playing MP3 and WMA 
discs ............................................. 224
Using the DVD player ............ 232
Playing DVD video/audio ...... 235
Playing video CD ...................... 248
DVD player and DVD video 
disc information ...................... 252
Optimal use of the audio/ 
video system ............................. 256
Using the steering 
switches ...................................... 260
3-4. Using the hands-free  system ..................................... 263
Hands-free system.................... 263 Using the Bluetooth
®

phone .......................................... 268
Setting the hands-free 
system .......................................... 281
3-5. Using the interior lights ....... 307 Interior lights list ........................ 307
3-6. Using the storage features ... 311 List of storage features .............. 311
3-7. Other interior features......... 317
Sun visors ....................................... 317
Vanity mirror ................................ 318
Clock............................................... 319
Outside temperature  display ......................................... 320
Ashtrays ......................................... 321
Cigarette lighter ........................ 322
Power outlet ................................ 323
Seat heaters ............................... 324
Seat heaters and 
ventilators ................................. 326
Armrest ......................................... 328
Rear sunshade............................ 329
Floor mats ..................................... 331
Trunk features ............................. 332
Garage door opener............... 334
Compass....................................... 339

260
3-3. Using the audio system
Using the steering switches
Turning on the power
Press when the audio system is turned OFF.
The audio system can be turned OFF by holding the switch down for 1 second
or more.
Changing the audio source
Press when the audio system is tu rned ON. The audio sour ce
changes as follows each time the button is pr
essed. If a cassette tape or
CD is not inserted, that mode will be skipped.
Vehicles with CD player:
FM (1, 2) cassette player CD player AM SAT (1, 2, 3)
Vehicles with DVD player:
FM (1, 2) cas
sette playerDVD playerAM SAT (1, 2, 3)
Some audio features can be controlled using the switches on the steering
wheel.
Power on, select audio
source
Vo l u m e
Radio: Select radio stations
Cassette: Fast forward, r
ewind and select -
ing tracks
CD: Select tracks, discs and folder
DVD: Select tracks, discs and chapter

271
3-4. Using the hands-free system
3
Interior features
Making a call
Once the Bluetooth® phone is registered, you can make a call using the
following procedure.
■ Dialing
Press .
To u c h on the “Information” screen.
To delete the input phone number, touch ţ.Inputting the phone number.
To delete the input phone number,
touch .
To dial the last input phone number,
touch .
To u c h or press the on the steering wheel.
■Reconnecting to the Bluetooth® phone
If the system cannot connect due to poor si gn
al strength with the power switch in
the “ACC” or “IG-ON” mode, the system wi ll automatically attempt to reconnect.
If the phone is turned off, the system will not
attempt to reconnect. In this case, con-
nection must be made manually, or the
phone must be re-selected.
STEP1
STEP2
STEP3
STEP4

307
3
Interior features
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.
Outer foot light
Steering spot light
Front personal lights (P. 309 )
Shift lever light

401
4-3. Do-it-yourself maintenance
4
Maintenance and care
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,
electric 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

406
4-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1ECU-IG RH10
Electric tilt and telescopic steering,
combination switch, power seat,
smart access system with push-but-
ton start, air conditioning system,
touch screen, shift lock system, tire
pressure warning system, front/rear
stabilizer system
2FR S/HTR RH15Seat heaters, seat heaters and venti-
lators
3RH-IG7. 5
Front right door control system, rear
right door control system, seat belt
pretensioners, transmission, seat
heaters, seat heaters and ventilators
4AM215Starting system
5FR DOOR RH20Front right door control system
6RR DOOR RH20Rear right door control system
7AIR SUS20AV S
8PWR OUTLET15Po w e r o u t l e t
9CIG15Cigarette lighter

5
When trouble arises
421
5-1. Essential information
Towing eyelet
■Emergency towing procedureRelease the parking brake.
Put the shift lever in “N”.
The power switch must be in the “ACC” mode (hybrid system off) or the
“IG-ON” mode (hybrid system on).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle. 
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelet and the cable or chain.
●If the hybrid system is not running, the power assist for the brakes and steering
will not function, making steeri ng and braking more difficult.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the front with the rear wheels on the ground. 
This may cause serious dama ge to the transmission.
STEP1
STEP2
STEP3

5
When trouble arises
425
5-1. Essential information
From rearSwitch to “ACC” mode so that the
steering wheel is unlock
ed.
NOTICE
■To prevent damaging the vehicle
●Do not tow the vehicle with the power switch “OFF”. 
The steering lock mechanism is not strong enough to hold the front wheel
straight.
●When raising the vehicle, ensure adequate ground clearance for towing at the
opposite end of the raised vehicle. Wi thout adequate clearance, the vehicle
could be damaged while being towed.

432
5-2. Steps to take in an emergency
*1: Electronically Controlled Brake System
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check
that the warning light turns off.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
ABS warning lightMalfunction in:
•The ABS; or
• The brake assist system.
ECB*1/VSC warning light
Malfunction in:
• The electronically controlled brake system; or
• The VSC.
Electric power steering system warning light Malfunction in the EPS.
Pre-collision system warning light (if equipped)Malfunction in the pre-collision system.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light 
(warning buzzer)
*2
A door or a trunk is not fully
closed.
Check that all doors and the
trunk are closed.
Low fuel level warning light Remaining fuel 
(Approximately 2.6 gal. [10
L, 2.2 Imp.gal.] or less)
Refuel the vehicle.