Jaguar XK. Manual — part 15

63

Supplementary restraints system

R

OCCUPANT SENSING

In order to provide optimum protection
this vehicle is equipped with front and
side air bags. They are used in
conjunction with the seat belts to help
protect occupants from upper body
(thorax) and head injuries.

WARNINGS

No objects whatsoever should be
attached to the centre cover of the
steering wheel, the passenger

facia panel, the sides of the front seats or
the interior trim. Placing objects on or
over the air bag inflation area may cause
those objects to be propelled inside the
vehicle causing serious injury to the
occupants.

Occupants with disabilities who
may require the vehicle to be
modified should contact a Jaguar

Dealer before any modifications are
made.

Several air bag system
components get hot after
inflation. Do not touch them after

they have deployed.

If an air bag has inflated, it will not
function again and must be
renewed immediately. Until a new

air bag is fitted, no protection is available
in that position.

Supplementary restraints system

64

L

Air bag location

1. Driver’s air bag.

2. Front passenger air bag.

3. Combined head and thorax side air

bags are identified by labels.

Occupancy classification sensor

A weight sensitive sensor is located in the
front passenger seat to determine the
weight acting upon the seat.

In certain conditions, e.g. where no
passenger is present, the appropriate air
bags will be deactivated. In a collision
these air bags would not be deployed.

The occupancy weight sensor operates
as follows:

1

2

3

E90780

E90781

Passenger

occupancy

status

Passenger

air bag

status

Indicator

active

Completely

empty

Deactivated

No*

Low weight

occupant or

object

Deactivated

Yes**

Heavy

occupant or

object

Activated

No

Child

restraint

fitted ***

Deactivated

Yes

65

Supplementary restraints system

R

* It is possible to receive an intermittent
indicator illumination with an empty seat
condition. This is part of the system’s
adaptive behaviour and does not affect
the status of the passenger air bag.
However, if the indicator becomes
permanently illuminated when the seat is
definitely empty and the seat belt is
unbuckled, then contact your nearest
Jaguar Dealer immediately.

** In some cases a small child placed in a
child seat will not activate the 'PASS AIR
BAG OFF' lamp. If this occurs the
passenger air bag status will be as
described above for an empty seat, i.e.
passenger air bag 'Not Active' but the
'PASS AIR BAG OFF' lamp will not
illuminate.
• If the seat is empty and the seat belt

unbuckled, the front passenger air
bag will not be activated and the air
bag indicator will not be illuminated.

• If the seat is occupied by, for

example, a small child or object with
the seat belt buckled, the front
passenger air bag will not be
activated and the indicator will be
illuminated.

• If the seat is occupied by a larger

child or adult, the front passenger air
bag will be activated and the air bag
indicator will not be illuminated.

• *** (USA and Canada only) Belt

Tension Sensor (BTS): If a child
restraint is fitted in the front
passenger seat using the seat belt's
automatic locking device, than the
BTS supports the decision function of
the occupant classification sensor
and the front passenger air bag is
deactivated.

Note: The occupancy sensing system is
designed to confirm that a front
passenger is properly seated as
recommended:
• Always sit centrally in the seat,

remaining in contact with the seat
back which for comfort should be
rearwards of the vertical position.

• Adjust the seat to be as far back from

the facia as is practical.

• Always wear seat belts.

For seat adjustment controls See
ELECTRIC SEATS (page 53).

Air bag deactivation indicator

The air bag indicator, on the centre
console, is associated with the
deployment conditions for front seat
passenger air bags only.

Whenever the air bag indicator is
illuminated, the front passenger air bag
will not be deployed in the event of an
impact. Where the air bags are not
deployed, protection is provided by the
seat belts.

Note: The air bag indicator will illuminate
when the ignition system initially comes
on as part of the warning lamp check and
will extinguish after approximately six
seconds.

E93787

Supplementary restraints system

66

L

DRIVER AIR BAG

Note: Provided front seat occupants are
correctly seated, with seat belts worn, the
air bag will give additional protection to
the chest and facial areas in the event of
an accident.

Both front air bags use a dual inflation
technology which means, if activated, the
air bags will deploy as appropriate for the
severity of frontal impact.

Air bag deployment

When an air bag inflates, a fine powder is
released. This is not an indication of a
malfunction. However, the powder may
cause irritation to the skin and should be
thoroughly flushed from the eyes and any
cuts or abrasions of the skin. After
inflation, front and side air bags deflate
immediately (head air bags deflate
slowly). This provides a gradual
cushioning effect for the occupants and
also ensures that the driver’s forward
vision is not obscured.

WARNING

The air bag is a supplementary
restraint system that provides
additional protection in a severe

impact only - it does not replace the
need to wear seat belts. For maximum
safety protection in all crash situations, a
seat belt must be worn.

WARNINGS

Activation of an air bag creates
dust, causing possible breathing
difficulties for asthma sufferers or

other people with respiratory problems.
If an air bag is activated, any occupant
who suffers from breathing difficulties
should; either leave the vehicle as quickly
as possible, or obtain fresh air by fully
opening the windows and doors.

Following inflation, some air bag
components are hot - do not
touch until they have cooled.

Even with air bag equipment
fitted, seat belts must always be
worn because an air bag will only

provide additional protection in certain
types of frontal collision. No protection is
afforded against the effects of rear
impacts, or minor frontal impacts.

Inflation and deflation takes place
instantaneously and will not
provide protection against the

effects of secondary impacts that can
occur during multiple vehicle collisions.

An inflating air bag can cause
facial abrasions and other injuries.
Minimise the risk of injury by

ensuring that front seat occupants are
wearing their seat belts and are seated
correctly, with the seat as far back as is
practical.

WARNINGS