421-1. For safe use
IS300h_EE(OM53B95E)
CAUTION
People suffering illness
Obtain medical advice and wear the seat belt in the proper way. (P. 38)
When children are in the vehicle
Do not allow children to play with the seat belt. If the seat belt becomes twisted
around a child’s neck, it may lead to choking or other serious injuries that could
result in death.
If this occurs and the buckle cannot be unfastened, scissors should be used to
cut the belt.
Seat belt pretensioners
If the pretensioner has activated, the SRS warning light will come on. In that
case, the seat belt cannot be used again and must be replaced at any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
Adjustable shoulder anchor
Always make sure the shoulder belt is positioned across the center of your
shoulder. The belt should be kept away from your neck, but not falling off your
shoulder. Failure to do so could reduce the amount of protection in an accident
and cause death or serious injuries in the event of a sudden stop, sudden swerve
or accident. (P. 3 9 )
Seat belt damage and wear
Do not damage the seat belts by allowing the belt, plate, or buckle to be
jammed in the door.
Inspect the seat belt system periodically. Check for cuts, fraying, and loose
parts. Do not use a damaged seat belt until it is replaced. Damaged seat belts
cannot protect an occupant from death or serious injury.
Ensure that the belt and plate are locked and the belt is not twisted.
If the seat belt does not function correctly, immediately contact any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped profes-
sional.
Replace the seat assembly, including the belts, if your vehicle has been
involved in a serious accident, even if there is no obvious damage.
Do not attempt to install, remove, modify, disassemble or dispose of the seat
belts. Have any necessary repairs carried out by any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional. Inappropriate
handling may lead to incorrect operation.
441-1. For safe use
IS300h_EE(OM53B95E)
The main SRS airbag system and Pop Up Hood components are shown
above. The SRS airbag system and Pop Up Hood are controlled by the
airbag sensor assembly. As the airbags deploy, a chemical reaction in the
inflators quickly fills the airbags with non-toxic gas to help restrain the
motion of the occupants. When the Pop Up Hood is activated, a non-toxic
gas is released due to a chemical reaction in the lifters, which causes the
pistons to eject quickly and raise the rear portion of the hood. (Pop Up
Hood: P. 56)
SRS airbag system components
Pop up hood lifters
Airbag manual on-off switch
Front passenger airbag
Curtain shield airbags
Knee airbags
“PASSENGER AIR BAG”
indicator lights
Seat belt pretensioners and
force limiters
Side impact sensors (front)Front side airbags
SRS warning light
Driver airbag
Side impact sensors (rear)
Driver’s seat position sensor
Driver’s seat belt buckle switch
Airbag sensor assembly
Front impact sensors
Pop up hood sensors1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
451-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
CAUTION
SRS airbag precautions
Observe the following precautions regarding the SRS airbags.
Failure to do so may cause death or serious injury.
The driver and all passengers in the vehicle must wear their seat belts prop-
erly.
The SRS airbags are supplemental devices to be used with the seat belts.
The SRS driver airbag deploys with considerable force, and can cause death
or serious injury especially if the driver is very close to the airbag.
Since the risk zone for the driver’s airbag is the first 50 - 75 mm (2 - 3 in.) of
inflation, placing yourself 250 mm (10 in.) from your driver airbag provides
you with a clear margin of safety. This distance is measured from the center
of the steering wheel to your breastbone. If you sit less than 250 mm (10 in.)
away now, you can change your driving position in several ways:
• Move your seat to the rear as far as you can while still reaching the pedals
comfortably.
• Slightly recline the back of the seat.
Although vehicle designs vary, many drivers can achieve the 250 mm (10
in.) distance, even with the driver seat all the way forward, simply by
reclining the back of the seat somewhat. If reclining the back of your seat
makes it hard to see the road, raise yourself by using a firm, non-slippery
cushion, or raise the seat if your vehicle has that feature.
• If your steering wheel is adjustable, tilt it downward. This points the airbag
toward your chest instead of your head and neck.
The seat should be adjusted as recommended above, while still maintaining
control of the foot pedals, steering wheel, and your view of the instrument
panel controls.
491-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
If the SRS airbags deploy (inflate)
Bruising and slight abrasions may result from contact with a deploying (inflat-
ing) SRS airbag.
A loud noise and white powder will be emitted.
Parts of the airbag module (steering wheel hub, airbag cover and inflator) as
well as the front seats, parts of the front and rear pillars, and roof side rails, may
be hot for several minutes. The airbag itself may also be hot.
The windshield may crack.
SRS airbag deployment conditions (SRS front airbags)
The SRS front airbags will deploy in the event of an impact that exceeds the set
threshold level (the level of force corresponding to an approximately 20 - 30
km/h [12 - 18 mph] frontal collision with a fixed wall that does not move or
deform).
However, this threshold velocity will be considerably higher in the following
situations:
• If the vehicle strikes an object, such as a parked vehicle or sign pole, which
can move or deform on impact
• If the vehicle is involved in an underride collision, such as a collision in
which the front of the vehicle “underrides”, or goes under, the bed of a truck
Depending on the type of collision, it is possible that only the seat belt preten-
sioners will activate.
SRS airbag deployment conditions (SRS side and curtain shield airbags)
The SRS side and curtain shield airbags will deploy in the event of an impact
that exceeds the set threshold level (the level of force corresponding to the
impact force produced by an approximately 1500 kg [3300 lb.] vehicle collid-
ing with the vehicle cabin from a direction perpendicular to the vehicle orienta-
tion at an approximate speed of 20 - 30 km/h [12 - 18 mph]).
The SRS curtain shield airbags may also deploy in the event of a severe frontal
collision.
541-1. For safe use
IS300h_EE(OM53B95E)
“PASSENGER AIR BAG” indi-
cator
This indicator light turns on when
the airbag system is on (only when
the power switch is in ON mode).
Airbag manual on-off switch
Insert the mechanical key into the
cylinder and rotate to the “OFF”
position.
The “OFF” indicator light turns on
(only when the power switch is in
ON mode).
Airbag manual on-off system
This system deactivates the front passenger airbag and front passenger
knee airbag.
Only deactivate the airbags when using a child restraint system on the
front passenger seat.
1
2
Deactivating the front seat passenger airbag and front passenger
knee airbag
551-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
“PASSENGER AIR BAG” indicator information
If any of the following problems occur, it is possible that there is a malfunction in
the system. Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
Neither “ON” nor “OFF” comes on.
The indicator light does not change when the airbag manual on-off switch is
switched to “ON” or “OFF”.
CAUTION
When installing a child restraint system
For safety reasons, always install a child restraint system in a rear seat. In the
event that the rear seat cannot be used, the front seat can be used as long as the
airbag manual on-off system is set to off.
If the airbag manual on-off system is left on, the strong impact of the airbag
deployment (inflation) may cause serious injury or even death.
When a child restraint system is not installed on the front passenger seat
Ensure that the airbag manual on-off system is set to on.
If it is left off, the airbag may not deploy in the event of an accident, which may
result in serious injury or even death.
571-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
The Pop Up Hood will operate when the vehicle detects an impact such as
the following:
The front bumper detects a frontal impact equivalent to or greater than
that of a pedestrian while the vehicle being driven within the opera-
tional speed range of approximately 25 to 55 km/h (16 to 34 mph).
(The system is operated by an impact of threshold level or greater, even
in the case of a minor collision that may not leave a trace on the front
bumper. Also, depending on the impact conditions or vehicle speed,
the system may be operated by a collision with a light or small object
or a small animal.)
In other situations the system may operate when an impact is applied to
the lower part of the vehicle or front bumper, such as the following:
• Colliding with a curb
• Falling into a deep hole
• Landing hard
• Hitting the slope of a parking lot, an undulating road, a protruding
object or falling object
Pop Up Hood operational conditions
CAUTION
When the Pop Up Hood is operated
Do not pull the hood lock release lever. Doing so after the Pop Up Hood has
operated will further raise the hood and may cause an injury.
Do not drive with the hood raised, as doing so may block the driver’s vision,
possibly causing an accident.
Do not forcibly push down the hood. As the popped up hood cannot be low-
ered by hand, doing so may deform the hood or cause an injury.
If the Pop Up Hood has operated, have the vehicle inspected by any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped profes-
sional. If the Pop Up Hood has operated, stop the vehicle in a safe place and
contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Do not touch the lifters immediately after the Pop Up Hood has operated, as
the lifters may be hot and burn you.
791-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
Exhaust gas precautions
Harmful substance to the human body is included in exhaust gases if
inhaled.
CAUTION
Exhaust gases include harmful carbon monoxide (CO), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to an
accident caused by light-headedness, or may lead to death or a serious health haz-
ard.
Important points while driving
Keep the trunk lid closed.
If you smell exhaust gases in the vehicle even when the trunk lid is closed,
open the windows and have the vehicle inspected at any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional as soon
as possible.
When parking
If the vehicle is in a poorly ventilated area or a closed area, such as a garage,
stop the hybrid system.
Do not leave the vehicle with the hybrid system on for a long time.
If such a situation cannot be avoided, park the vehicle in an open space and
ensure that exhaust fumes do not enter the vehicle interior.
Do not leave the hybrid system operating in an area with snow build-up, or
where it is snowing. If snowbanks build up around the vehicle while the
hybrid system is operating, exhaust gases may collect and enter the vehicle.
Exhaust pipe
The exhaust system needs to be checked periodically. If there is a hole or crack
caused by corrosion, damage to a joint or abnormal exhaust noise, be sure to
have the vehicle inspected and repaired by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.