2006 Lexus ES330 ECU

EXTERIOR EQUIPMENT
xciv
TRUNK LID
Trunk lid opener
To open the trunk lid, push the switch.
To close the trunk lid, lower it and press down on it. After
closing the trunk lid, try pulling it up to make sure it is securely
closed.
The trunk lid can be unlocked using the wireless remote control
key. For details, see page xix.
CAUTION
Keep the trunk lid closed while driving. This not only
keeps the luggage from being thrown out, but also
prevents exhaust gases from entering the vehicle.

EXTERIOR EQUIPMENT
xcix
When installing the cap, turn the cap clockwise until you
hear a click. When you hear the click, the cap is fully
closed.
If the cap is not tightened securely, the malfunction indicator
lamp comes on. Make sure the cap is tightened securely.
The indicator lamp goes off after driving several times. If the
indicator lamp does not go off, contact your Lexus dealer as
soon as possible.
CAUTION

Make sure the cap is installed securely to prevent fuel
spillage in the event of an accident.
 Use only a genuine Lexus fuel tank cap for
replacement. It is designed to regulate fuel tank
pressure.
NOTICE
To prevent damage to the cap, apply force only in the
turning direction to the cap. Do not pull or pry it.
In case the opener is not actuated
Remove the cover and pull up the manual lever in the
trunk.
This is used in case the fuel filler door cannot be opened due
to a discharged battery or other trouble.

OCCUPANT RESTRAINT SYSTEM
cxiiPregnant woman.
Lexus recommends the use of a seat belt.
Ask your doctor for specific recommendations. The lap belt
should be worn securely and as low as possible over the hips
and not on the waist.
Injured person. Lexus recommends the use of a seat belt.
Depending on the injury, first check with your doctor for specific
recommendations.
CAUTION
Persons should ride in their seats properly wearing
their seat belts whenever the vehicle is moving.
Otherwise, they are much more likely to suffer serious
bodily injury or death in the event of sudden braking or
a collision.
When using the seat belts, observe the following:
 Use the belt for only one person at a time. Do not use
a single belt for two or more people — even children.
 Avoid reclining the seatback any more than needed.
The seat belts provide maximum protection in a
frontal or rear collision when the driver and the front
passenger are sitting up straight and well back in the
seats. If you are reclined, the lap belt may slide past
your hips and apply restraint forces directly to the
abdomen or your neck may contact the shoulder belt.
In the event of a frontal collision, the more the seat is
reclined, the greater the risk of death or personal
injury.
 Be careful not to damage the belt webbing or
hardware. Take care that they do not get caught or
pinched in the seat or doors.
 Inspect the belt system periodically. Check for cuts,
fraying, and loose parts. Damaged parts should be
replaced. Do not disassemble or modify the system.
 Keep the belts clean and dry. If they need cleaning,
use a mild soap solution or lukewarm water. Never
use bleach, dye, or abrasive cleaners, or allow them
to come into contact with the belts — they may
severely weaken the belts. (See “Cleaning the
interior” on page cdxviii for instructions.)
 Replace the belt assembly (including bolts) if it has
been used in a severe impact. The entire assembly
should be replaced even if damage is not obvious.

OCCUPANT RESTRAINT SYSTEM
cxiii
Fastening front and rear seat belts
Adjust the seat as needed and sit up straight and well back
in the seat. To fasten your belt, pull it out of the retractor
and insert the tab into the buckle.
You will hear a click when the tab locks into the buckle.
The seat belt length automatically adjusts to your size and the
seat position.
The retractor will lock the belt during a sudden stop or on
impact. It also may lock if you lean forward too quickly. A slow,
easy motion will allow the belt to extend, and you can move
around freely. When a passenger’s shoulder belt is completely extended and
is then retracted even slightly, the belt is locked in that position
and cannot be extended. This feature is used to hold the child
restraint system securely.
(For details, see “Child restraint” on
page cxlvii.) To free the belt again, fully retract the belt and then
pull the belt out once more.
If the seat belt cannot be pulled out of the retractor, firmly pull
the belt and release it. You will then be able to smoothly pull
the belt out of the retractor.
CAUTION
 After inserting the tab, make sure the tab and buckle
are locked and that the belt is not twisted.
 Do not insert coins, clips, etc. in the buckle as this
may prevent you from properly latching the tab and
buckle.
 If the seat belt does not function normally,
immediately contact your Lexus dealer. Do not use
the seat until the seat belt is fixed, because it cannot
protect an adult occupant or your child from death or
serious injury.

OCCUPANT RESTRAINT SYSTEM
cxvi
CAUTION
Always make sure the shoulder belt is positioned
across the center of the shoulder. The belt should be
kept away from the neck, and should not fall off the
shoulder. Failure to observe these precautions could
reduce the effectiveness of the seat belt in an accident,
causing death or serious injury.
Seat belt extender
If your seat belts cannot be fastened securely because it is not
long enough, a personalized seat belt extender is available
from your Lexus dealer free of charge.
Please contact your local Lexus dealer to order the proper
required length for the extender. Bring the heaviest coat you
expect to wear for proper measurement and selection of
length. Additional ordering information is available at your
Lexus dealer.
CAUTION
When using the seat belt extender, observe the
following precautions. Failure to follow these
instructions could result in less effectiveness of the
seat belt restraint system in case of an accident,
increasing the chance of personal injury.
 Remember that the extender provided for you may
not be safe when used on a different vehicle, or for
another person or at a different seating position than
the one originally intended for.

OCCUPANT RESTRAINT SYSTEM
cxvii
If the seat belt extender has been connected to the
driver’s seat belt buckle without wearing the seat belt
when using the extender in the driver’s seat, the SRS
driver’s airbag system will judge that the driver wears
the seat belt even if not wearing it. In this case, the
driver’s airbag may not activate correctly, causing
death or serious injury in the event of collision. Be
sure to wear the seat belt with the seat belt extender.
Make sure the “AIRBAG ON” indicator light is
illuminated when using the seat belt extender for the
front passenger seat. If the “AIRBAG OFF” indicator
light is illuminated, disconnect the extender tongue
from the seat belt buckle, then reconnect the seat
belt. Reconnect the seat belt extender after making
sure the “AIRBAG ON” indicator light is illuminated.
If you use the seat belt extender while the “AIRBAG
OFF” indicator light is illuminated, the front
passenger airbag and side airbag on the front
passenger side may not activate correctly, which
could cause death or serious injury in the event of
collision.
 Be sure to wear the seat belt without the seat belt
extender if you can fasten the seat belt without the
extender.
 Do not use the seat belt extender when installing a
child restraint system on the front or rear passenger
seat. If installing a child restraint system with the
seat belt extender connected to the seat belt, the seat
belt will not securely hold the child restraint system,
which could cause death or serious injury to the child
or other passengers in the event of collision.

OCCUPANT RESTRAINT SYSTEM
cxx
1Front passenger occupant classification system
(ECU and sensors)
2Front seat belt pretensioner assemblies
3Rear seat belt pretensioner assemblies
4SRS warning light
5Front passenger’s seat belt buckle switch
6Front airbag sensors
7Airbag sensor assembly
The seat belt pretensioner system consists mainly of the above
components, and their locations are shown in the illustration.
The seat belt pretensioners are controlled by the airbag sensor
assembly. The airbag sensor assembly consists of a safing
sensor and airbag sensor.
When the seat belt pretensioners are activated, an operating
noise may be heard and a small amount of non− toxic gas may
be released. This does not indicate that a fire is occurring. This
gas is normally harmless.
Once the seat belt pretensioners have been activated, the seat
belt retractors remain locked.

OCCUPANT RESTRAINT SYSTEM
cxxiv
CAUTION
The SRS front airbag system is designed only as a
supplement to the primary protection of the driver
and front passenger seat belt systems. The driver
and front passenger can be killed or seriously injured
by the inflating airbags if they do not wear the
available seat belts properly . During sudden braking
just before a collision, an unrestrained driver or front
passenger can move forward into direct contact with
or close proximity to the airbag which may then
deploy during the collision. To ensure maximum
protection in an accident, the driver and all
passengers in the vehicle must wear their seat belts
properly. Wearing a seat belt properly during an
accident reduces the chances of death or serious
injury or being thrown out of the vehicle. For
instructions and precautions concerning the seat
belt system, see “Seat belts” on page cxi.
 Improperly seated and/or restrained infants and
children can be killed or seriously injured by the
deploying airbags. An infant or child who is too small
to use a seat belt should be properly secured using
a child restraint system. Lexus strongly
recommends that all infants and children be placed
in the rear seat of the vehicle and properly restrained.
The rear seat is the safest for infants and children.
For instructions concerning the installation of a child
restraint system, see “Child restraint” on page cxlvii.
The SRS front airbags are designed to deploy in severe
(usually frontal) collisions where the magnitude and
duration of the forward deceleration of the vehicle
exceeds the designed threshold level.
The SRS front airbags will deploy if the severity of the impact
is above the designed threshold level, comparable to an
approximate 25 km/h (15 mph) collision when the vehicle has
the impact straight into a fixed barrier that does not move or
deform.
However, this threshold velocity will be considerably higher if
the vehicle strikes an object, such as a parked vehicle or sign
pole, which can move or deform on impact, or if the vehicle is
involved in an underride collision (e.g. a collision in which the
front of the vehicle “underrides”, or goes under, the bed of a
truck, etc.).