2012 SUBARU IMPREZA WRX Owners Manual

1-52Seat, seatbelt and SRS airbags
! Examples of the types of accidents
in which the driver ’s/driver ’s and
front passenger ’s SRS frontal
airbag(s) will basically not deploy.
The driver ’s and front passenger ’s SRS
frontal airbags are designed basically not to deploy if the vehicle is struck from the
side or from behind, or if it rolls onto its
side or roof, or if it is involved in a low-
speed frontal collision.
1) First impact
2) Second impact
In an accident where the vehicle is
impacted more than once, the driver ’s
and/or front passenger ’s SRS frontal
airbag(s) will deploy only once on the firstimpact.
Example: In the case of a double collision,
first with another vehicle, then against a
concrete wall in immediate succession,
once either or both of the driver ’s and front
passenger ’s SRS frontal airbags is/are
activated on the first impact, it/they will not
be activated on the second impact. !
SRS side airbag and SRS curtain
airbag operation
The driver ’s and front passenger ’s SRS
side airbags and SRS curtain airbags
deploy independently of each other since
each has its own impact sensor. There-
fore, they may not both deploy in the same
accident. Also, the SRS side airbag and
SRS curtain airbag deploys independently
of the driver ’s and front passenger ’s SRS
frontal airbags in the steering wheel and
instrument panel.
An impact sensor which senses impact
force is located in the following locations. . In each of the left and right center
pillars. In each of the rear wheel houses
. Under the rear center seat

The airbag control module causes both theSRS side airbag andSRS curtain
airbag on the impacted side to inflate if
both of the following sensors together
sense an impact force above a predeter-
mined level in a side collision. . One of the center pillar impact sensors
. Impact sensor that is located under the
rear center seat
The airbag control module causes only the
SRS curtain airbag on the impacted side
to inflate if both of the following sensors
together sense an impact force above a
predetermined level in a side collision. . One of the rear wheel house impact
sensors. Impact sensor that is located under the
rear center seat
After the deployment, the SRS side airbag
immediately starts to deflate. The time
required from detection of an impact to
deflation of an SRS side airbag after
deployment is shorter than the blink of
an eye.
The SRS curtain airbag remains inflated
for a while following deployment then
slowly deflates.
The SRS side airbag and SRS curtain
airbag deploy even when no one occupies
the seat on the side on which an impact is applied.
The SRS side airbag and SRS curtain
airbag are designed to deploy in the event
of an accident involving a moderate to
severe side impact collision. They are
basically not designed to deploy in a
lesser side impact. Also, they are basically
not designed to deploy in frontal or rear
impacts because SRS side airbag and
SRS curtain airbag deployment would not
help the occupant in those situations.
Each SRS side airbag and SRS curtain
airbag are designed to function on a one-
time-only basis.
SRS side airbag and SRS curtain airbag
deployment depend on the level of force
experienced in the passenger compart-
ment during a side impact collision. That
level differs from one type of collision to
another, and it may have no bearing on
the visible damage done to the vehicleitself.
!
Example of the type of accident in
which the SRS side airbag and SRS
curtain airbag will most likely de-
ploy.
A severe side impact near the front seat
activates the SRS side airbag and SRS
curtain airbag. Seat, seatbelt and SRS airbags
1-53
– CONTINUED –

1-54Seat, seatbelt and SRS airbags
! Examples of the types of accidents in which the SRS side airbag and SRS
curtain airbag are unlikely to deploy.
1) The vehicle is involved in an oblique
side-on impact.
2) The vehicle is involved in a side-on impact in an area outside the vicinity of
the passenger compartment.
3) The vehicle strikes a telephone pole or similar object.
4) The vehicle is involved in a side-on impact from a motorcycle.
5) The vehicle rolls onto its side or roof.
There are many types of collisions which
might not necessarily require SRS side
airbag and SRS curtain airbag deploy-
ment. In the event of accidents like those
illustrated, the SRS side airbag and SRS
curtain airbag may not deploy depending
on the level of accident forces involved.

!Examples of the types of accidents
in which the SRS side airbag and
SRS curtain airbag will basically not
deploy.
1) The vehicle is involved in frontal collision
with another vehicle (moving or station- ary). 2) The vehicle is struck from behind.
The SRS side airbag and SRS curtain
airbag are basically not designed to
deploy if the vehicle is involved in a frontal
collision or is struck from behind. Exam-
ples of such accidents are illustrated.
1) First impact
2) Second impact
A) SRS curtain airbag
B) SRS side airbag
In an accident where the vehicle is struck
from the side more than once, the SRS
side airbag and SRS curtain airbag deploy
only once on the first impact.
Example: In the case of a double side
impact collision, first with one vehicle and
immediately followed by another from the
same direction, once the SRS side airbag and SRS curtain airbag are activated on
the first impact, they will not be activated
on the second. &
SRS airbag system monitors
SRS airbag system warning light
A diagnostic system continually monitors
the readiness of the SRS airbag system
(including front seatbelt pretensioners)
while the vehicle is being driven. The
SRS airbag system warning light “AIR-
BAG ”will show normal system operation
by lighting for approximately 6 seconds
when the ignition switch is turned to the“ ON ”position.
Seat, seatbelt and SRS airbags
1-55
– CONTINUED –

1-56Seat, seatbelt and SRS airbags
The following components are monitored
by the indicator: .Front sub sensor
– Right-hand side
– Left-hand side
. Airbag control module (including im-
pact sensors). Frontal airbag module
– Driver ’s side
– Front passenger ’s side
. Side airbag sensor
– Center pillar right-hand side
– Center pillar left-hand side
. Side airbag module
– Driver ’s side
– Front passenger ’s side
. Curtain airbag sensor
– Rear wheel house right-hand side
– Rear wheel house left-hand side
. Curtain airbag module
– Right-hand side
– Left-hand side
. Satellite safing sensor (under the rear
center seat). Seatbelt pretensioner
– Driver ’s side
– Front passenger ’s side
. Seatbelt buckle switch (front passen-
ger ’s side)
. Front passenger ’s seatbelt tension sensor.
Front passenger ’s occupant detection
system weight sensor. Front passenger ’s occupant detection
control module. Front passenger ’s frontal airbag ON
and OFF indicator. All related wiring
WARNING
If the warning light exhibits any of
the following conditions, there may
be a malfunction in the seatbelt
pretensioners and/or SRS airbag
system. Immediately take your vehi-
cle to your nearest SUBARU dealer
to have the system checked. Unless
checked and properly repaired, the
seatbelt pretensioners and/or SRS
airbag will not operate properly in
the event of a collision, which may
increase the risk of injury. . Flashing or flickering of the warn-
ing light
. No illumination of the warning
light when the ignition switch is
first turned to the “ON ”position
. Continuous illumination of the
warning light
. Illumination of the warning light while driving
& SRS airbag system servicing
WARNING
. When discarding an airbag mod-
ule or scrapping the entire vehi-
cle damaged by a collision, con-
sult your SUBARU dealer.
. The SRS airbag has no user-
serviceable parts. Do not use
electrical test equipment on any
circuit related to the SRS airbag
system. For required servicing of
the SRS airbag, consult your
nearest SUBARU dealer. Tamper-
ing with or disconnecting thesystem ’s wiring could result in
accidental inflation of the SRS
airbag or could make the system
inoperative, which may result in
serious injury.
CAUTION
If you need service or repair in areas
indicated in the following list, have
the work performed by an author-
ized SUBARU dealer. The SRS air-

bag control module, impact sensors
and airbag modules are stored in
these areas. .Under the center console
. On both the right and left sides at
the front of the vehicle
. Steering wheel and column and
nearby areas
. Top of the dashboard on front
passenger ’ssideandnearby
areas
. Each front seat and nearby area
. Inside each center pillar
. In each roof side (from the front
pillar to a point over the rear seat)
. Between the rear seat cushion
and rear wheel house on each side
. Under the rear center seat
In the event that the SRS airbag is
deployed, replacement of the system
should be performed only by an author-
ized SUBARU dealer. When the compo-
nents of the SRS airbag system are
replaced, use only genuine SUBARUparts. NOTE
In the following cases, contact your
SUBARU dealer as soon as possible. .
The front part of the vehicle was
involved in an accident in which only
the driver ’s SRS frontal airbag or both
driver ’s and front passenger ’sSRS
frontal airbags did not deploy.. The pad of the steering wheel, the
cover over the front passenger ’s SRS
frontal airbag, or either roof side (from
the front pillar to a point over the rear
seat) is scratched, cracked, or other-
wise damaged.. Center pillar, rear wheel house or
rear sub frame, or an area near these
parts, was involved in an accident in
which the SRS side airbag and SRS
curtain airbag did not deploy.. The fabric or leather of either front
seatback is cut, frayed, or otherwisedamaged.. The rear part of the vehicle was
involved in an accident in which no
SRS airbag was deployed. &
Precautions against vehicle modification
WARNING
To avoid accidental activation of the
system or rendering the system
inoperative, which may result in
serious injury, no modifications
should be made to any components
or wiring of the SRS airbag system.
This includes following modifica- tions. . Installation of custom steering
wheels
. Attachment of additional trim
materials to the dashboard
. Installation of custom seats
. Replacement of seat fabric or
leather
. Installation of additional fabric or
leather on the front seat
. Attachment of a hands-free mi-
crophone or any other accessory
to a front pillar, a center pillar, a
rear pillar, the windshield, a side
window, an assist grip, or any
other cabin surface that would be
near a deploying SRS curtainairbag.
Seat, seatbelt and SRS airbags
1-57
– CONTINUED –

1-58Seat, seatbelt and SRS airbags
.Installation of additional electri-
cal/electronic equipment such as
a mobile two-way radio on or
near the SRS airbag system
components and/or wiring is not
advisable. This could interfere
with proper operation of the
SRS airbag system.
CAUTION
Do not perform any of the following
modifications. Such modifications
can interfere with proper operation
of the SRS airbag system. . Attachment of any equipment
(bush bar, winches, snow plow,
skid plate, etc.) other than genu-
ine SUBARU accessory parts to
the front end.
. Modification of the suspension
system or front end structure.
. Installation of a tire of different
size and construction from the
tires specified on the vehicle
placard attached to the driver ’s
door pillar or specified for indivi-
dual vehicle models in this Own-er ’s Manual.
. Attachment of any equipment
(side steps or side sill protectors, etc.) other than genuine SUBARU
accessory parts to the side body.
Always consult your SUBARU dealer if
you want to install any accessory parts on
your vehicle.

Keys..................................................................... 2-2
Key number plate ................................................ 2-2
Immobilizer .......................................................... 2-2
Security ID plate .................................................. 2-3
Security indicator light ........................................ 2-3
Key replacement ................................................. 2-3
Door locks ........................................................... 2-4
Locking and unlocking from the outside .. ............ 2-4
Locking and unlocking from the inside ................ 2-5
Battery drainage prevention function ................... 2-5
Power door locking switches ............................. 2-6
Key lock-in prevention function ........................... 2-7
Remote keyless entry system ............................ 2-7
Locking the doors ............................................... 2-9
Unlocking the doors ............................................ 2-9
Opening the trunk lid/unlocking rear gate ............ 2-9
Vehicle finder function ........................................ 2-10
Sounding a panic alarm ...................................... 2-10
Selecting audible signal operation ...................... 2-10
Replacing the battery ......................................... 2-11
Replacing lost transmitters ................................. 2-11
Alarm system ..................................................... 2-15
System operation ............................................... 2-15 Activating and deactivating the alarm system
..... 2-15
If you have accidentally triggered the alarm system ............................................................ 2-16
Arming the system ............................................ 2-16
Disarming the system ........................................ 2-17
Valet mode ........................................................ 2-17
Passive arming .................................................. 2-18
Tripped sensor identification .............................. 2-19
Shock sensors (dealer option).. .......................... 2-19
Child safety locks .............................................. 2-20
Windows ............................................................. 2-20
Power windows ................................................. 2-20
Trunk lid (4-door) ............................................... 2-23
To open and close the trunk lid from outside . ..... 2-23
To open the trunk lid from inside. ....................... 2-23
To lock and unlock the trunk lid release lever ................................................................ 2-24
Internal trunk lid release handle ......................... 2-24
Rear gate (5-door) .............................................. 2-26
Moonroof (if equipped) ...................................... 2-27
Moonroof switches ............................................ 2-28
Sun shade ......................................................... 2-29 Keys and doors
2