sensor Acura TSX 2014 Owner's Manual

24
uu For Safe Driving u Your Vehicle’s Safety Features
Your Vehicle’s Safety Features
The following checklist will help you take an active role in protecting yourself and
your passengers.
1 Your Vehicle’s Safety Features
Your vehicle is equipped with many features that
work together to help protect you and your
passengers during a crash.
Some features do not require any action on your part.
These include a strong steel framework that forms a
safety cage around the passenger compartment,
front and rear crush zone s, a collapsible steering
column, and tensioners that tighten the front seat
belts in a sufficient crash.
However, you and your passengers cannot take full
advantage of these features unless you remain seated
in the correct position and always wear your seat
belts. In fact, some safety features can contribute to
injuries if they are not used properly.
67891011
Safety Cage
Crush Zones
Seats and Seat-Backs
Head Restraints
Collapsible Steering Column
Seat Belts
Front Airbags
Side Curtain Airbags
Seat Belt Tensioners
Occupant Position Detection
System (OPDS) Sensor Side Airbags
Door Locks
6
7
8
9
10
11
8912
10
7
12
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Continued27
uu Seat Belts u About Your Seat Belts
■Proper use of seat belts
Follow these guidelines for proper use:
• All occupants should sit upright, well back in the seat, and remain in that position
for the duration of the trip . Slouching and leaning reduc e the effectiveness of the
belt and can increase the chance of serious injury in a crash.
• Never place the shoulder part of a lap/shoulder seat belt under your arm or
behind your back. This could cause very serious injuries in a crash.
• Two people should never use the same seat belt. If they do, they could be very
seriously injured in a crash.
• Do not put any accessories on the seat belts. Devices intended to improve comfort
or reposition the shoulder part of a seat belt can reduce the protective capability
and increase the chance of serious injury in a crash.
Your vehicle monitors front seat belt use. If
the ignition switch is turned to ON
(w
before
the driver’s seat belt is fastened, the beeper
will sound and the indicator will blink. If the
driver does not fasten the belt before the
beeper stops, the indicator will remain on.
The beeper will also periodically sound and
the indicator will blink while driving until
the driver’s and front passenger’s seat belts
are fastened.
■Seat Belt Reminder
1About Your Seat Belts
If a rear seat passenge r moves around and extends
the seat belt, the lockable retractor may activate. If
this happens, release the re tractor by unfastening the
seat belt and allow the belt to retract completely.
Then refasten the belt.
1 Seat Belt Reminder
The indicator will also come on if a front passenger
does not fasten their seat be lt within six seconds after
the ignition switch is turned to ON
(w
.
When no one is sitting in the front passenger’s seat,
or a child or small adult is riding there, the indicator
will not come on.
This is because the weight sensors in the seat cannot
detect their presence.
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uu Airbags u Airbag System Components
Continued
The front, front side, and side curtain
airbags are deployed according to the
direction and severity of impact. The airbag
system includes:
aTwo SRS (Supplemental Restraint System)
front airbags. The driver ’s airbag is stored
in the center of the steering wheel; the
front passenger’s airbag is stored in the
dashboard. Both are marked .
SRS AIRBAG
bTwo side airbags, on e for the driver and
one for a front passenger. The airbags are
stored in the outer edges of the seat-
backs. Both are marked SIDE AIRBAG.
cTwo side curtain ai rbags, one for each
side of the vehicle. The airbags are stored
in the ceiling, above the side windows.
The front and rear pillars are marked
SIDE CURTAIN AIRBAG .
dAn electronic control unit that continually
monitors and records information about
the sensors, the airbag activators, the
seat belt tensioners, and driver and front
passenger seat belt use when the ignition
switch is in ON
(w
.
eAutomatic front seat belt tensioners. The
driver’s and front passenger’s seat belts
incorporate sensors that detect whether
or not they are fastened.
fA driver’s seat position sensor. If the seat
is too far forward, th e airbag will inflate
with less force.
gWeight sensors in the front passenger’s
seat. The front passenger’s airbag will be
turned off if the weight on the seat is 65
lbs (29 kg) or less (the weight of an infant
or small child).
hImpact sensors that can detect
a moderate-to-severe front or
side collision.
iAn indicator on the dashboard that alerts
you that the front passenger’s front
airbag has been turned off.
jSensors that can detect if a child or small
statured adult is in the deployment path
of the front passenger’s side airbag.
kAn indicator on the instrument panel that
alerts you to a possible problem with your
airbag system or seat belt tensioners.
lAn indicator on the instrument panel that
alerts you that the front passenger’s side
airbag has been turned off.
mSafing Sensor
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uu Airbags u Front Airbags (SRS)
38
Front airbags are designed to inflate during moderate-to-severe frontal collisions.
When the vehicle decelerates suddenly, the sensors send information to the control
unit which signals one or both front airbags to inflate.
A frontal collision can be either head-on or angled between two vehicles, or when a
vehicle crashes into a stationary object, such as a concrete wall.
While your seat belt restrains your torso, the
front airbag provides supplemental protection
for your head and chest.
The front airbags deflate immediately so
that they won’t interfere with the driver’s
visibility or the ability to steer or operate
other controls.
The total time for inflation and deflation is so fast that most occupants are not
aware that the airbags deployed until th ey see them lying in front of them.
■Operation
■How the Front Airbags Work1How the Front Airbags Work
Although the driver’s and front passenger’s airbags
normally inflate within a split second of each other, it
is possible for only one airbag to deploy. This can
happen if the severity of a collision is at the margin,
or threshold that determines whether or not the
airbags will deploy. In such cases, the seat belt will
provide sufficient protection, and the supplemental
protection offered by the airbag would be minimal.
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■When front airbags should not deploy
Minor frontal crashes: Front airbags were designed to supplement seat belts and
help save lives, not to prevent minor scra pes, or even broken bones that might occur
during a less than moderate-to-severe frontal crash.
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39
uu Airbags u Front Airbags (SRS)
Continued
Side impacts: Front airbags can provide protection when a sudden deceleration
causes a driver or front passenger to move toward the front of the vehicle. Side
airbags and side curtain airbags have been specifically designed to help reduce the
severity of injuries that can occur duri ng a moderate-to-severe side impact which
can cause the driver or passenger to move toward the side of the vehicle.
Rear impacts: Head restraints and seat belts are your best protection during a rear
impact. Front airbags cannot provide any si gnificant protection and are not designed
to deploy in such collisions.
Rollovers: Seat belts, and in vehicles equipped with a rollover sensor, side
airbags, and side curtain airbags offer the best protection in a rollover. Because
front airbags could provide little if any protection, they are not designed to
deploy during a rollover.
■When front airbags deploy with little or no visible damage
Because the airbag system senses sudden deceleration, a strong impact to the
vehicle framework or suspension might cause one or more of the airbags to deploy.
Examples include running into a curb, the edge of a hole, or other low fixed object
that causes a sudden deceleration in th e vehicle chassis. Since the impact is
underneath the vehicle, damage may not be readily apparent.
■When front airbags may not deploy, even though exterior damage
appears severe
Since crushable body parts absorb crash energy during an impact, the amount of
visible damage does not always indicate proper airbag operation. In fact, some
collisions can result in severe damage but no airbag deployment because the airbags
would not have been needed or would not have provided protection even if they
had deployed.
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uu Airbags u Front Airbags (SRS)
40
Your front airbags have advanced features to help reduce the likelihood of airbag
related injuries to smaller occupants.
The driver’s advanced front airbag system
includes a seat position sensor.
If the seat is too far forward, the airbag
inflates with less force, regardless of the
severity of the impact.
The passenger’s advanced front airbag system
has weight sensors.
Although we recommend against carrying an
in fant or small child in front, if the sensors
detect the weight of a child (up to about 65
lbs or 29 kg), the system will automatically
turn off the passeng er’s front airbag.
■Advanced Airbags1Advanced Airbags
If there is a problem with the driver’s seat position
sensor, the SRS indicator will come on and the airbag
will inflate with full (normal) force, regardless of the
driver’s seating position.
For both advanced front airbags to work properly:
•Do not spill any liquid on or under the seats.•Do not put any object under the passenger’s seat.•Make sure any objects are positioned properly on
the floor. Improperly positioned objects can
interfere with the advanced airbag sensors.
•All occupants should sit upright and wear their seat
belts properly.
•Do not place any cover over the passenger side
dashboard.
Make sure the floor mat behind the front passenger's
seat is hooked to the floor mat anchor. An improperly
placed mat can interfere with the advanced airbag
sensors. 2 Floor Mats P. 273
Driver’s
Seat
Position
Sensor
Passenger’s
Seat
Weight
Sensors
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uu Airbags u Side Airbags
Continued
Side Airbags
The side airbags help protect the upper torso of the driver or a front passenger
during a moderate-to-severe side impact.
The side airbags are housed in the
outside edge of the driver’s and
passenger’s seat-backs.
Both are marked SIDE AIRBAG.
When the sensors detect a moderate-to-
severe side impact, the control unit signals
the side airbag on the impact side to
immediately inflate.
■Housing Locations
1Side Airbags
Do not attach accessories on or near the side airbags.
They can interfere with th e proper operation of the
airbags, or hurt someone if an airbag inflates.
If the impact is on the pa ssenger's side, the airbag
may not deploy when there is no passenger in the
front passenger seat.
Do not cover or replace the front seat-back covers
without consulting a dealer.
Improperly replacing or covering front seat-back
covers can prevent your side airbags from properly
deploying during a side impact.
Housing Location
■Operation
When
inflated
Side Airbag
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uu Airbags u Side Airbags
■When a side airbag deploys with little or no visible damage
Because the airbag system senses sudden acceleration, a strong impact to the side
of the vehicle’s framework can cause a side airbag to deploy. In such cases, there
may be little or no damage, but the side impact sensors detected a severe enough
impact to deploy the airbag.
■When a side airbag may not deploy, even though visible damage appears severe
It is possible for a side airbag to not deploy during an impact that results in
apparently severe damage. This can occu r when the point of impact was towards
the far front or rear of the vehicle, or when the vehicle’s crushable body parts
absorbed most of the crash energy. In either case, the side airbag would not have
been needed nor provided protec tion even if it had deployed.
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uu Airbags u Side Airbags
To reduce the likelihood that a front passeng er may be injured by an inflating side
airbag, the passenger side airbag is automatically turned off when:
• The height sensors detect a child or short-statured adult is s eated in the front
passenger seat.
• The position sensor detects that the front passenger is leaning into the
deployment path of the side airbag.
When the side airbag cutoff system is activated, the side airbag off indicator
comes on.
2 Side Airbag Off Indicator P. 47
If the side airbag off indicator comes on, have the pa ssenger sit upright. A few
seconds after the passenger is sitting properly, the side airbag will automatically be
turned on, and the indicator will go off.
If the front passenger is a child, stop when it is safe to do so, and have the child sit
properly restrained in a rear seat.
■Side Airbag Cutoff System
■Side Airbag Off Indicator
1Side Airbag Cutoff System
The sensors that monitor the front passenger’s height
and body position may not work if:
•The seat-back is wet•The passenger is touchi ng a metal or other
electrical conductive object
•A seat cushion is on the seat•The passenger is wearing excessively thick clothing
Sensors that
monitor the
passenger’s height.
Sensors that monitor the
passenger’s position.
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uu Airbags u Airbag System Indicators
46
■When the passenger airbag off
indicator comes on
The indicator comes on to alert you that the
passenger’s fr ont airbag has been turned off.
This occurs when the weight sensors detect
65 lbs (29 kg) or less, th e weight of an infant
or small child, on the seat.
Infants and small children should always ride prop erly restrained in a back seat.
2Child Safety P. 49
Objects placed on the seat can also cause the indicator to come on.
If the front passenger seat is empty, the pa ssenger’s front airbag will not deploy and
the indicator will not come on.
■Passenger Airbag Off Indicator1Passenger Airbag Off Indicator
If the indicator comes on wi th no front passenger and
no objects on the passenger’s seat, or with an adult
riding there, something may be interfering with the
weight sensors, such as:
•An object hanging on the seat or in the seat-back
pocket.
•A child seat or other object pressing against the
rear of the seat-back.
•A rear passenger pushing or pulling on the back of
the front passenger’s seat.
•The front seat or seat-back is forced back against
an object on the seat or floor behind it.
•An object placed under the front passenger’s seat.
If none of these conditions exist, have your vehicle
checked by a dealer as soon as possible.
The passenger airbag off indicator may come on and
goes off repeatedly if the total weight on the seat is
near the airbag cutoff threshold.
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