alarm Lexus GS450h 2007 Using the audio system / LEXUS 2007 GS450H FROM JULY 2006 PROD. (OM30A05U) User Guide

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2-4. Using other driving systems
CAUTION
■When the radar sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles are in
front of you. 
As the sensor may not be able to correctly detect these types of vehicles, the prox-
imity alarm ( P. 453) will not be activated, and an accident may result.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving
●Vehicles with small rear ends (tra ilers with no load on board etc.)
●Motorcycles traveling in the same lane
■Conditions under which the vehicle-to-vehicle distance control may not function
correctly
Apply the brakes as necessary in the foll owing conditions as the radar sensor may
not be able to correctly detect vehicles ahead, and an accident may result.
●When water or snow thrown up by the surrounding vehicles hinders the function-
ing of the sensor
●When your vehicle is pointing upwards (caused by a heavy load in the trunk, etc.)
●When the road curves or when the lanes are narrow
●When steering wheel operation or your position in the lane is unstable
■To ensure the radar sensor functions correctly
Do not do the following to the sensor or grille cover as doing so may cause the sen-
sor not to function correctly and could result in an accident.
●Stick or attach anything to them
●Leave them dirty
●Disassemble, subject them to strong shocks
●Modify or paint them
●Replace them with non-genuine parts

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3-3. Using the audio system
The type of program changes each time the button is pressed.
●ROCK
● EASYLIS (Easy listening)
● CLS/JAZZ (Classical music and Jazz)
● R & B (Rhythm and Blues)
● INFORM (Information)
● RELIGION
● MISC (Miscellaneous)
● ALARM (Emergency messages)
If the system receives no RDS statio ns, “NO PTY” appears on the display.
When a program is set, “TYPE SEEK” appears.
Touch on the screen or press  or  on .
The radio seeks or scans the station by the relevant program type.
If no radio station of that type is found, “NOTHING” appears on the
screen.
■ Displaying radio text messages
Touch on the screen.
If “MSG” appears on the screen, a
text message may be displayed.
STEP2

5
When trouble arises
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5-2. Steps to take in an emergency
Starting the hybrid systemPut the shift lever in “P” and apply the brakes. Hold the electronic key close to
the power switch (within 0.4 in. [10
mm]). Make sure that the button
side of the key is facing away from
the power switch.
An alarm will sound to indicate that
the start function cannot detect the
key with the depleted battery if any
of the doors will be opened and
closed while this operation.
Press the power switch within 5 seconds after the buzzer sounds,
keeping the brake pedal depressed.
If the hybrid system still cannot be started, contact your Lexus dealer.
STEP1
STEP2
■Replacing the key battery
As this procedure is the temporary measure, it is recommended that the electronic
key battery be replaced immediately. ( P. 4 0 1 )
STEP3

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Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........ 192
ABS (Anti-lock Brake System) ........ 164
Active stabilizer suspension 
system...................................................... 164
Air conditioning system (A/C) Air conditioning filter .......................399
Automatic air conditioning 
system .................................................... 192
Airbags Airbag operating conditions........... 69
Airbag precautions for your 
child...........................................................72
Airbag warning light ........................ 439
Curtain shield airbag 
precautions .......................................... 75
General airbag precautions ............72
Locations of airbags............................ 66
Modification and disposal of 
airbags .................................................... 76
Side airbag precautions .....................72
Side and curtain shield airbags 
operating conditions ....................... 69
SRS airbags ............................................. 66
Alarm ............................................................. 61
Antenna ....................................................209
Armrest .....................................................323
Ashtrays ..................................................... 316
Audio system Antenna ..................................................209
Cassette player..................................... 212
CD player/changer ........................... 216
DVD information ................................. 251
DVD player/changer...................... 232
DVD video/audio ............................. 235
MP3/WMA disc ............................... 224
Optimal use.......................................... 255
Radio ........................................................ 203 Steering switches .............................. 259
Video CD .............................................. 247
Automatic headlight leveling 
system ...................................................... 124
Automatic light control system......... 122
AVS (Adaptive Variable 
Suspension System) ...........................163
BA (Brake Assist)...................................164
Back-up lights Wattage ................................................. 494
Battery 12 volt battery .......................................379
Checking................................................379
Hybrid battery (Tra ction battery) .... 5
If the 12 volt battery is 
discharged .........................................476
Preparing and checking 
before winter...................................... 176
Bluetooth
®.............................................. 263
Brake Fluid .......................................................... 378
Parking brake............................................111
Care Exterior ................................................... 352
Interior..................................................... 354
Seat belts ............................................... 355
Cargo capacity........................................ 172
Cargo hooks .......................................... 327
CD player/changer............................. 232
Chains ......................................................... 177
Child-protectors...................................... 26
Child restraint system (CRS)
Definition ...................................................82
Installation ................................................ 85
A
B
C

524
Alphabetical index
Tail lightsSwitch ........................................................ 122
Theft deterrent system Alarm ............................................................ 61
Hybrid vehicle immobilizer 
system ..................................................... 59
Theft prevention labels .......................... 63
Tire inflation pressure .........................493
Tire information Glossary.................................................503
Size .......................................................... 500
Tire identification number ............. 499
Uniform tire quality grading .......... 501
Tires Chains ....................................................... 177
Checking ...............................................383
Compact spare tire .......................... 462
If you have a flat tire ............... 460, 461
Inflation pressure................................ 493
Information............................................498
Pressure warning system ..............383
Replacing .................................................461
Rotating tires ........................................383
Size ........................................................... 493
Snow tires ................................................ 179
Tools ............................................................ 461
Total load capacity ................................ 175
Touch screen ........................................... 184
Towing Dinghy towing .......................................182
Emergency towing ........................... 429
Trailer towing.......................................... 181
TRAC (Traction control) .................... 164
Transmission If the shift lever cannot be shifted from P ....................................472
Mode select switch.............................107 S mode .....................................................108
Transmission..........................................106
Trip meter ................................................... 113
Trunk Opener ...................................................... 29
Trunk light .................................................. 31
Wattage ................................................. 494
Turn signal lights Replacing light bulbs ......................... 421
Switch ..........................................................110
Wattage ................................................. 494
Vanity lights Vanity lights............................................ 313
Wattage ................................................. 494
Vanity mirrors ............................................. 313
VDIM (Vehicle Dynamics 
Integrated Management) ................165
Vehicle identification number......... 487
Vehicle load limits .................................. 175
Ventilators .................................................321
VGRS (Variable Gear Ratio 
Steering) .................................................164
VSC (Vehicle Stability Control) ......164
Warning buzzers Brake system ....................................... 438
Downshifting..........................................108
Open door .......................................... 440
Seat belt reminder ............................ 440
Warning lights Anti-lock brake system (ABS) ... 439
Brake system ....................................... 438
Charging system ............................... 438T
V
W

526
What to do if...
What to do if...
A tire puncturesP. 4 6 0 /461If you have a flat tire
The hybrid system does not start
P. 5 9Hybrid vehicle immobilizer system
P. 4 7 1If the hybrid system will not start
P. 4 76If the 12 volt battery is discharged
The shift lever cannot be 
moved outP. 4 7 2If the shift lever cannot be shifted 
from “P”
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming 
from under the hood
P. 4 8 0If your vehicle overheats
The key is lostP. 4 7 3If you lose your keys
The battery runs outP. 4 76If the 12 volt battery is discharged
The doors cannot be lockedP. 2 5Doors
The horn begins to soundP. 6 1Alarm
The vehicle is stuck in mud or
sandP. 4 8 3If the vehicle becomes stuck