2011 MITSUBISHI LANCER EVOLUTION airbag

Seat and restraint systems
2-39
2
Passenger’s seat weight sensors
N00418000306
The passenger’s seat weight sensors are attached to the seat
rails and provide the airbag control unit with information
regarding the weight on the front passenger seat. The airbag
control unit controls deployment of the passenger’s front air-
bag in accordance with the information it receives from this
sensor.
The passenger’s front airbag will not deploy in an impact when
the weight on the seat is sensed to be less than approximately
66 pounds (30 kg). In this case, the passenger’s airbag off indi-
cator will come on.
Refer to “Passenger’s airbag off indicator” on page 2-41.
If there is a problem involving the passenger’s seat weight sen-
sors, the SRS warning in the instrument panel will come on.
Refer to “SRS warning light/display” on page 2-42.
WA R N I N G
!
If any of the following conditions occur, you should
immediately have your vehicle inspected by an
authorized Mitsubishi Motors dealer as soon as pos-
sible:
• The SRS warning does not initially come on when
the ignition switch is turned to the “ON” or
“START” position.
• The SRS warning does not go out after several sec-
onds.
• The SRS warning comes on while you are driving.

To ensure that the passenger’s seat weight sensors
can correctly sense the weight being applied to the
seat, observe the following instructions. Failure to
follow these instructions can adversely affect the
performance of the passenger’s airbag system.
• Adjust the seat to the correct position, and sit well
back against the seatback.
Refer to “Front seats” on page 2-3.
• Do not recline the seatback more than necessary.
• Never have more than one person (adult or child)
sitting on the seat.
• Do not place anything between the seat and the
floor console.
• Do not hang anything on the front passenger’s
seatback.
• When attaching a child restraint system, secure it
firmly.
• Do not place luggage or other objects on the seat.
• Do not use a seat cover or a cushion.
• Do not modify or replace the seat and seat belt.
• Do not place luggage or other objects under the
seat.
• Do not place the floor mat on the seat rails.
• Do not expose the sensors to liquids or vapors.
• Do not subject the sensors to shock.
• Do not allow rear-seat occupants to push the front
passenger seat with their feet or force the front
passenger seat upward.WA R N I N G
!
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Seat and restraint systems
2-41
2
Passenger’s airbag off indicator
N00418100251
The passenger’s airbag off indicator is located in the instru-
ment panel.
The indicator normally comes on when the ignition switch is
turned to the “ON” position and goes out a few seconds later.
In the following situations, the indicator will stay on to show
that the passenger’s front airbag is not operational.

The passenger’s seat weight sensors sense a weight of less
than approximately 66 pounds (30 kg) on the front passen-
ger seat.

The front passenger’s seat is not occupied.
When the weight applied to the front passenger seat is sensed
to be approximately 66 pounds (30 kg) or greater, the indicator
goes out to show that the passenger’s front airbag is opera-
tional.
WA R N I N G
!
If any of the following conditions occur, you should
immediately have the airbag system in your vehicle
inspected by an authorized Mitsubishi Motors
dealer as soon as possible:
• The passenger’s airbag off indicator comes on
when an adult is sitting on the front passenger
seat.
• The passenger’s airbag off indicator does not come
on when the front passenger’s seat is not occupied.
• The passenger’s airbag off indicator does not come
on when the ignition switch is turned to the “ON”
position.
• The passenger’s airbag off indicator comes on and
goes out repeatedly.

Do not attach any accessory to your vehicle that
makes the passenger’s airbag off indicator difficult
or impossible to see.
You must be able to see the passenger’s airbag off
indicator and verify the status of the passenger’s air-
bag system.
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2-42 Seat and restraint systems
2
SRS warning light/display
N00408300537
Warning light
Warning display
If there is an error in the system, the warning light will come on
and the warning display will appear on the information screen
in the multi-information display.
Under normal conditions, the warning light comes on when the
ignition switch is turned to the “ON” position and goes off a
few seconds later.
The warning light will also come on and remain on when the
SRS airbags and the seat belt pre-tensioner system have been
activated.
The warning light/display is used for both SRS airbag warn-
ings and seat belt pre-tensioner system warnings.
WA R N I N G
!
There may be a system error if the warning
light/display appears as indicated. In such cases, an
SRS airbag or a seat belt pre-tensioner system may
not function properly in a collision. Have your vehi-
cle checked by an authorized Mitsubishi Motors
dealer:
• Even when the ignition switch is in the “ON” posi-
tion, the warning light does not come on or it
remains on a few seconds later
• When warning light comes on while driving
• When warning display appears while driving
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Seat and restraint systems
2-43
2
Driver’s and passenger’s front airbag system
N00407900028
The driver’s airbag is located under the padded cover in the
middle of the steering wheel. The front passenger’s airbag is
contained in the instrument panel above the glove compart-
ment. The driver’s airbag and the front passenger’s airbag are
designed to deploy at the same time. However, the front pas-
senger’s airbag does not deploy when the front passenger seat
is not occupied or when the weight sensor in the front passen-
ger seat senses a weight on the seat of less than approximately
66 pounds (30 kg).
Driver’s knee airbag system
N00404500023
The driver’s knee airbag is located under the steering wheel.
The driver’s knee airbag is designed to deploy at the same time
as the driver’s front airbag.
Driver
Front passenger
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2-44 Seat and restraint systems
2
Deployment of front airbags
N00408000518
The front airbags and driver’s knee airbag ARE DESIGNED TO DEPLOY when… The front airbags and driver’s knee airbag are designed to
deploy when the vehicle suffers a moderate to severe frontal
impact. A typical condition is shown in the illustration to the
left.
The front airbags and driver’s knee airbag are designed to
deploy only in certain moderate to severe frontal collisions
within the shaded area between the arrows in the illustration to
the right.
The front airbags and driver’s knee airbag will deploy if the
impact to the vehicle’s main structure is above a specific
threshold level. The threshold level is approximately 15 mph
(25 km/h) for a frontal collision straight into a solid flat wallthat does not bend or deform. If the impact to the vehicle’s
main structure is below this threshold level, the front airbags
and driver’s knee airbag may not deploy. This threshold level
may also be higher if the vehicle hits something that absorbs
the impact, either by bending or moving (for example, another
stationary vehicle, a pole or a guard rail).
The beginning stage of airbag inflation is the most forceful,
and can cause serious injuries or death if you are too close to
the deploying airbag. Accordingly, it is important that you
always wear the available seat belt. Head-on collision with a solid wall at
speeds of approx. 15 mph (25 km/h) or
higherModerate to severe frontal impact within
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Seat and restraint systems
2-45
2
The front airbags and driver’s knee airbag MAY NOT
DEPLOY when … In certain types of front collisions, the front airbags and
driver’s knee airbag may not deploy, even if the deformation of
the body seems to be large, because the vehicle’s body struc-
ture is designed to absorb the impact and deform in order to
help protect the occupants. Some typical situations where the
front airbags and driver’s knee airbag may not deploy are
shown in the illustrations.
Because the front airbags and driver’s knee airbag do not pro-
tect the occupant in all types of frontal collisions, be sure to
always wear your seat belts properly.
Collision with a utility pole, tree or other narrow objects
Collision where the vehicle slides under the rear body of a
truck
Oblique frontal impact
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2-46 Seat and restraint systems
2
The front airbags and driver’s knee airbag ARE NOT
DESIGNED TO DEPLOY when …The front airbags and driver’s knee airbag are not designed to
deploy in situations where they cannot provide protection to
the occupants.
Some typical situations are shown in the illustrations.
Because the front airbags and driver’s knee airbag do not pro-
tect the occupants in all types of collisions, be sure to always
wear your seat belts properly.
Rear end collision to your vehicle
Side collision to your vehicle
Vehicle rolls onto its side or roof
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Seat and restraint systems
2-47
2
The front airbags and driver’s knee airbag MAY
DEPLOY when … The front airbags and driver’s knee airbag may deploy if the
underside of the vehicle suffers a moderate to severe impact
(undercarriage impact). Some typical situations are shown in
the illustrations.
Because the front airbags and driver’s knee airbag may deploy
in certain types of unexpected impacts, as shown in the illustra-
tions, and these unexpected impacts can move you out of posi-
tion, it is important to always wear your seat belts properly.
When worn properly, seat belts can help maintain your distance
from the airbags and driver’s knee airbag when they begin to
inflate. The beginning stage of airbag inflation is the most
forceful and can cause serious injury or death if you are close
to the deploying airbag.
Collision with an elevated median/island or curb
Vehicle travels over a deep hole/pothole
Vehicle drives down a steep slope and hits the ground
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