2008 Lexus GS450h belt

TABLE OF CONTENTS
1
GS_HV_U
December 12, 2007 3:30 pm
1Before drivingAdjusting and operating features such as door locks, mir-
rors, and steering column
2When drivingDriving, stopping and safe-driving information
3Interior featuresAir conditioning and audio systems, as well as other interior
features for a comfortable driving experience
4Maintenance
and careCleaning and protecting your vehicle, performing do-it-your-
self maintenance, and maintenance information
5When trouble
arisesWhat to do if the vehicle needs to be towed, gets a flat tire,
or is involved in an accident
6Vehicle 
specificationsDetailed vehicle information
7For ownersReporting safety defects for US owners and seat belt in-
structions for Canadian owners
IndexAlphabetical listing of inform ation contained in this manual

TABLE OF CONTENTSIndex
2
GS_HV_U
December 12, 2007 3:33 pm
1-1. Hybrid system ............................... 22Hybrid system ................................... 22
1-2. Key information ........................... 33 Keys ...................................................... 33
1-3. Opening, closing and locking 
the doors and trunk .................. 35
Smart access system with  push-button start .......................... 35
Wireless remote control .............. 47
Doors................................................... 50
Trunk..................................................... 55
1-4. Adjustable components 
(seats, mirrors, 
steering wheel) .......................... 58
Front seats ......................................... 58
Driving position memory 
system ............................................... 60
Head restraints................................. 64
Seat belts ............................................ 66
Steering wheel.................................. 73
Inside rear view mirror .................. 74
Outside rear view mirrors ........... 75 1-5. Opening and closing the

windows and moon roof .......... 77
Power windows................................ 77
Moon roof ......................................... 80
1-6. Refueling ....................................... 83 Opening the fuel tank cap........... 83
1-7. Theft deterrent system.............. 88 Immobilizer system ....................... 88
Alarm.................................................... 90
Theft prevention labels 
(U.S.A.) ............................................. 92
1-8. Safety information ....................... 93 Correct driving posture ............... 93
SRS airbags ....................................... 95
Front passenger occupant 
classification system .................. 107
Child restraint sy stems ................. 113
Installing child restraints ............... 117
2-1. Driving procedures................... 128 Driving the vehicle ........................ 128
Power (ignition) switch ............... 138
Transmission ................................... 142
Turn signal lever............................. 146
Parking brake ................................. 147
1Before driving
2When driving

1
2
3
4
5
6
7
5
GS_HV_U
December 12, 2007 3:33 pm
5-1. Essential information .............. 482If your vehicle needs 
to be towed .................................. 482
If you think something is 
wrong ............................................ 488
Event data recorder ................... 489
5-2. Steps to take in an 
emergency ................................ 491
If a warning light turns on or a 
warning buzzer sounds... ........ 491
If a warning message is 
displayed...................................... 500
If you have a flat tire (Vehicles 
with standard tires) .................... 517
If you have a flat tire (Vehicles 
with run-flat tires) ...................... 527
If the hybrid system will 
not start......................................... 528
If the shift lever cannot be 
shifted from “P” .......................... 529
If you lose your keys ................... 530
If the electronic key does not 
operate properly ........................ 531
If the 12 volt battery is 
discharged ................................... 534
If your vehicle overheats .......... 538
If the vehicle becomes 
stuck................................................. 541 6-1. Specifications............................ 544
Maintenance data 
(fuel, oil level, etc.)..................... 544
Fuel information ........................... 553
Tire information ............................ 556
6-2. Customization .......................... 569 Customizable features .............. 569
6-3. Initialization ............................... 575 Items to initialize ........................... 575
Reporting safety defects for 
U.S. owners.................................. 578
Seat belt instructions for 
Canadian owners 
(in French) .................................... 579
Abbreviation list ....................... 582
Alphabetical index................... 584
What to do if............................... 594
5When trouble arises6Vehicle specifications
7For owners
Index

8
GS_HV_U
December 12, 2007 3:50 pm
A
Pictorial indexInterior
SRS front passenger airbag
P. 95
SRS knee airbags P. 95
Floor mat P. 374
Front seat P. 58
SRS side airbag P. 95
Console box P. 357
Power outlet P. 368
Ashtray P. 366
Cup holders P. 360
Armrest P. 371
SRS driver airbag P. 95
Seat belt P. 66
Door pocket P. 361
Head restraint
P. 64
AUX adapter P. 302

17
GS_HV_U
December 12, 2007 3:33 pm
Installation of a mobile two-way radio system
As the installation of a mobile two-way radio system in your vehicle could affect
electronic systems such as the hybrid system, multiport fuel injection system/
sequential multiport fuel injection system , cruise control system, vehicle dynamics
integrated management, SRS airbag system and seat belt pretensioner system, be
sure to check with your Lexus dealer for precautionary measures or special instruc-
tions regarding installation.
High voltage parts and cables on the hybr id vehicles emit approximately the same
amount of electromagnetic waves as the conventional gasoline powered vehicles or
home electronic appliances despite of their electromagnetic shielding.
Unwanted noise may occur in the reception of the mobile two-way radio.
Scrapping of your Lexus
The SRS airbag and seat belt pretensioner devices in your Lexus contain explosive
chemicals. If the vehicle is scrapped with the airbags and seat belt pretensioners left
as they are, this may cause an accident such as fire. Be sure to have the systems of
the SRS airbag and seat belt pretensioner removed and disposed of by a qualified
service shop or by your Lexus deal er before you scrap your vehicle.
Perchlorate Material
Special handling may apply, See www.d tsc.ca.gov/hazardouswaste/perchlorate.
Your vehicle has components that may contain perchlorate. These components may
include airbag, seat belt pretensioners, and wireless remote control batteries.

Before driving1
21
GS_HV_U
December 12, 2007 3:30 pm
1-1. Hybrid system .................. 22Hybrid system ............................ 22
1-2. Key information ............... 33 Keys .............................................. 33
1-3. Opening, closing and 
locking the doors 
and trunk........................ 35
Smart access system with 
push-button start .................... 35
Wireless remote control ......... 47
Doors ........................................... 50
Trunk ............................................. 55
1-4. Adjustable components 
(seats, mirrors, 
steering wheel) .............. 58
Front seats .................................. 58
Driving position memory 
system ........................................ 60
Head restraints .......................... 64
Seat belts ..................................... 66
Steering wheel ........................... 73
Inside rear view mirror ............ 74
Outside rear view mirrors ...... 75 1-5. Opening and closing

the windows and 
moon roof ........................ 77
Power windows .......................... 77
Moon roof ................................... 80
1-6. Refueling .......................... 83 Opening the fuel tank cap ..... 83
1-7. Theft deterrent system ... 88 Immobilizer system .................. 88
Alarm............................................ 90
Theft prevention labels 
(U.S.A.)...................................... 92
1-8. Safety information........... 93 Correct driving posture ......... 93
SRS airbags ................................ 95
Front passenger occupant 
classification system............ 107
Child restraint systems .......... 113
Installing child restraints......... 117

54
1-3. Opening, closing and locking the doors and trunk
GS_HV_U
October 23, 2015 1:02 pm
CAUTION
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failing to do so may result in a door opening and an occupant falling out, resulting in
death or serious injury.
●Always use a seat belt.
●Always lock all doors.
●Ensure that all doors are properly closed.
●Do not pull the inside handle of the front door while driving. 
The doors will open even if it is locked.
●Set the rear door child protector locks when children are seated in the rear seat.

59
1-4. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
GS_HV_U
June 15, 2008 11:25 am
CAUTION
■Reclining adjustment
Do not recline the seat more than necessary when the vehicle is in motion, to
reduce the risk of sliding under the lap belt. 
If the seat is too reclined, during an accident the lap belt may slide past the hips and
apply restraint forces directly to the abdomen or your neck may contact the shoul-
der belt, increasing the risk of death or serious injury.