height Lexus GS450h 2007 Instrument cluster /

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1
Before driving
1-4. Adjustable components
Front seats
Seat position fore/aft control switch
For driver’s seat only: Height of the head restraint also moves upward or
downward with the seat movement.
Seatback angle control switch
Seat cushion (front) angle control switch
Vertical height control switch
Lumbar support control switch

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1-4. Adjustable components
Head restraints
■Vertical adjustment
Driver’s seat
Head restraint height can be
adjusted automatically along
with the seat position adjust-
ment. (P. 3 3 )
Front passenger’s and rear seats Grip head restraint and move
it up or down.
Push and hold the lock release
button when lowering the head
restraint.
Grip head restraint and
remove while holding the
lock release button.
■ Horizontal adjustment
Front and outboard rear seats
Grip head restraint and twist to
tilt forward or backward.
Lock
release
button

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1-4. Adjustable components
1
Before driving
■Adjusting the height of the driver’s head restraint manually
■Removing the driver’s seat head restraint
For removal and installation, ask your Lexus dealer.
■Adjusting the height of the head restraints
■Adjusting the center rear seat head restraint
Always raise the head restraint one level from the stowed position when using.
■Head restraints of different seats
The head restraints are specially designed for the seats on which they are installed.
CAUTION
■Head restraint precautions
Observe the following precautions regarding the head restraints. Failure to do so
may result in death or serious injury.
●Adjust the head restraints to the correct position at all times.
●Do not drive with the head restraints removed.
Push and hold the lock release button when
lowering or raising the head restraint.
Make sure that the head restraints are
adjusted so that the center of the head
restraint is closest to the top of your ears.

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1-4. Adjustable components
1
Before driving
Seat belt comfort guide (outboard rear seats)If the shoulder belt fits close to a
person’s neck, slide the seat belt
comfort guide forward.
Seat belt pretensioners (front and outboard rear seats)
The pretensioner helps the seat
belt to quickly restrain the occu-
pant by retracting the seat belt
when the vehicle is subjected to
certain types of severe frontal colli-
sion.
The pretensioner may not activate
in the event of a minor frontal
impact, a side impact or a rear
impact.
■ Adjusting the height of the belt (front seats)
Up
Down
Move the height adjuster up and
down as needed until you hear a
click.

468
5-2. Steps to take in an emergency
CAUTION
■Using the tire jack
Improper use of the tire jack may lead to death or injuries due to the vehicle sud-
denly falling off the jack.
●Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire. 
Do not use it on other vehicles, and do no t use other tire jacks for replacing tires
on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not raise the vehicle while someone is in it.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greate r than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●Do not put any part of your body under the vehicle supported by a jack.
●Do not start or run the hybrid system while your vehicle is supported by the jack.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
■Replacing a flat tire
Observe the following precautions to reduce the risk of injury.
●Never use oil or grease on the wheel bolts or wheel nuts. 
The oil or grease can cause the wheel nuts to loosen, causing a serious accident.
Remove any oil or grease on the wheel bolts or wheel nuts.
●Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103 N•m, 10.5
kgf•m) as soon as possible after changing wheels. 
Failure to follow these precautions could cause the nuts to loosen and the wheels
may fall off, which could lead to an accident causing death or serious injury.

486
6-1. Specifications
Maintenance data
Dimensions and weight
*: Unladen vehicle
Overall length189.9 in. (4825 mm)
Overall width71.6 in. (1820 mm)
Overall height *56.1 in. (1425 mm)
Wheelbase112.2 in. (2850 mm)
Tr e a dFront60.4 in. (1535 mm)
Rear60.6 in. (1540 mm)
Vehicle capacity weight
(Occupants + luggage)815 lb. (370 kg)

500
6-1. Specifications
Tire size■ Typical tire size information
The illustration indicates typical
tire size.
Ti r e u s e 
(P = Passenger car, 
T = Temporary use)
Section width (millimeters)
Aspect ratio 
(tire height to section width)
Tire construction code 
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 or 3 digits)
Speed symbol 
(alphabet with one letter)
■ Tire dimensions
Section width
Ti r e h e i g h t
Wheel diameter