2015 AUDI S3 SEDAN ignition

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exceptional circumstances and the
PASSENGER AIR BAG OFF light does not
come on and stay on, immediately install
the rear-facing child safety seat in a rear
seating position and have the airbag system
inspected immediately by your Audi dealer .
A WARNING
-Forward-facing child seats installed on the
front passenger seat may interfere with the deployment of the airbag and cause serious
personal injury to the child.
-If exceptional circumstances require the use
of a forward-facing child restraint on the
front passenger's seat, the child's safety
and well-being require the following special
precautions to be taken:
-Always make sure that the forward-facing seat has been designed and certified by its manufacturer for use on a front passenger
seat with a front and side airbag.
-Always carefully follow the manufacturer's
instructions provided with the child seat
or infant carrier.
- Never install a child restraint without a
properly attached top tether strap if the
child restraint manufacturer's instructions require the top tether strap to be used.
- Never put the forward-facing child re­
straint up against or very near the instru­
ment panel.
- Always set the safety belt upper anchor­
age to the adjustment position that per­
mits proper installation in accordance with
the child restraint manufacturer's instruc­
tions.
- Always move the passenger seat into its
rearmost position in the seat's fore and aft
adjustment range, as far away from the
airbag as possible before installing the
child restraint . The backrest must be ad ­
justed to an upright position .
- Always make sure that nothing prevents
the front passenger's seat from being moved to the rearmost position in its fore
and aft adjustment range.
Child safety
-Never place objects on the seat (such as a
laptop, CD player, electronic games device,
power inverter or seat heater for child
seats) . These may influence the electrical
capacitance measured by the capacitive
passenger detection system and can also
fly around in an accident and cause serious
personal injury.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, power inverter or seat heat­
er for child seats) on the front passenger
seat if the device is connected to the 12-
volt socket or the cigarette lighter socket.
- If a seat heater has been retrofitted or
otherwise added to the front passenger
seat, never install any child restraint sys­
tem on this seat.
- Make sure that there are no wet objects
(such as a wet towel) and no water or oth­
er liquids on the front passenger seat
cushion.
- Always make sure that the
PASSENGER
AIR BAG OFF
light comes on and stays on
all the time whenever the ignition is
switched on.
- If the
PASSENGER AIR BAG OFF light
does not come on and stay on, immediate­
ly install the forward-facing child seat in a
rear seating position and have the airbag
system inspected by your authorized Audi
dealer.
- Always buckle the child seat firmly in
place even if a child is not sitting in it. A
loose child seat can fly around during a
sudden stop or in a collision.
- Always read and heed all WARNINGS
whenever using a child restraint in a vehi­
cle
¢ page 140, Safety belts, ¢ page 148,
Airbag system
and ¢ page 172, Impor­
tant information.
(D Tips
Always replace child restraints that were in­
stalled in a vehicle during a crash. Damage to
a child restraint that is not visible could cause
it to fail in another collision situation.
173

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-Make sure the forward-facing seat has
been designed and certified by its manu­
facturer for use on a front seat with a pas­
senger front and side airbag.
- Always carefully follow the manufacturer's
instructions provided with the child safety
seat or carrier.
- Always move the front passenger seat into
the rearmost position of the passenger
seat's fore and aft adjustment range, and
as far away from the airbag as possible be­
fore installing the child restraint.
- Always make sure that nothing prevents
the front passenger's seat from being
moved to the rearmost position in its fore
and aft adjustment range .
- Always make sure that the backrest is in
the upright position.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, power inverter or seat heat­
er for child seats) on the front passenger
seat if the device is connected to the 12-
volt socket or the cigarette lighter socket.
- If a seat heater has been retrofitted or
otherwise added to the front passenger
seat, never install any child restraint sys­
tem on this seat.
- Make sure that there are no wet objects
(such as a wet towel) and no water or oth­
er liquids on the front passenger seat
cushion.
- Never place objects on the seat (such as a
laptop, CD player, electronic games device,
power inverter or seat heater for child
seats). These may influence the electrical
capacitance measured by the capacitive
passenger detection system and can also
fly around in an accident and cause serious
personal injury.
- Always buckle the child safety seat firmly in
place even if a child is not sitting in it. A
loose child safety seat can fly around during
a sudden stop or in a collision .
- Always read and heed all WARNINGS when­
ever using a child restrained in a vehicle is
being used
¢ page 140, Safety belts,
Child safety
¢ page 148, Airbag system and
¢ page 172, Child safety.
A WARNING
-
To reduce the risk of serious injury, make sure
that the
PASSENGER AIR BAG OFF light
comes on and stays on whenever a child re­
straint is installed on the front passenger seat
and the ignition is switched on.
- Take the child restraint off the front passen­ ger seat and install it properly at one of the
rear seat positions if the
PASSENGER AIR
BAG OFF
light does not stay on.
- Have the airbag system inspected by your
authorized Audi dealer immediately.
Secure unused safety belts on the rear seat
Fig. 138 Schematic overview: keep unused safety belts
away from children in c hild safety seats. @-outer rear
safety belt, @ -ce nter rear safety belt*
If a child safety seat is used on the rear bench,
especially with LATCH universal lower anchorag­
es, the unused safety belts
must be secured so
that the child in the child restraint cannot reach
them ¢_& .
- Guide the safety belt webbings @and
®* be­
hind the head restraint of the seat where the
child restraint is installed
¢ fig. 138. When do­
ing so, do not engage the convertible locking
retractor! You should not hear a "clicking "
sound when winding up the safety belt.
- Let the belt retractor wind up the safety belt
webbing.
177

Child safety
personal injury and death in a collision or oth­
er emergency situation.
- Children on the front seat of any car, even
with Advanced Airbags, can be seriously in­
jured or even killed when an airbag inflates.
A child in a rearward-facing child safety seat
installed on the front passenger seat will be
seriously injured and can be killed if the
front airbag inflates -even with an Ad­
vanced Airbag System.
- The inflating airbag will hit the child safety
seat or infant carrier with great force and
will smash the child safety seat and child
against the backrest, center arm rest, door
or roof.
- Always install rear-facing child safety seats
on the rear seat.
- If you must install a rearward facing child
safety seat on the front passenger seat be­ cause of exceptional circumstances and the
PASSENGER AIR BAG OFF light does not
come on and stay on, immediately install
the rear-facing child safety seat in a rear
seating position and have the airbag system inspected by your Audi dealer .
- The rear side of the child safety seat should
be positioned as close as possible to the
backrest on the vehicle seat .
- For adjustable head restraints: adjust or re­
move the rear seat head restraint if it is dif­
ficult to install the child seat with the head
restraint in place
Q page 56 . Install the
head restraint again immediately once the
child seat is removed. Driving without head
restraints or with head restraints that are
not properly adjusted increases the risk of
serious or fatal neck injury dramatically.
- Always read and heed all WARNINGS when­
ever using a child restrained in a vehicle is
being used
Q page 140, Safety belts,
Q page 148, Airbag system and
Q page 172, Important information.
A WARNING
If exceptional circumstances require the use
of a forward-facing child restraint on the front
passenger's seat, the child's safety and well-
180
being require that the following special pre­
cautions be taken :
- Make sure the forward-facing seat has been
designed and certified by its manufacturer
for use on a front seat with a passenger
front and side airbag .
- Always follow the manufacturer's instruc­
tions provided with the child safety seat or infant carrier .
- Always move the front passenger seat into
the rearmost position of the passenger
seat's fore and aft adjustment range, and as
far away from the airbag as possible before installing the child restraint .
- Always make sure that nothing prevents the
front passenger's seat from being moved to
the rearmost position in its fore and aft ad­
justment range.
- Always make sure the backrest is in an up­
right position .
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device , power inverter or seat heater
for child seats) on the front passenger seat
if the device is connected to the 12-volt
socket or the cigarette lighter socket.
- If a seat heater has been retrofitted or oth­
erwise added to the front passenger seat, never install any child restraint system on
this seat.
- Make sure that there are no wet objects
(such as a wet towel) and no water or other
liquids on the front passenger seat cushion.
- Never place objects on the seat (such as a
laptop, CD player, electronic games device,
power inverter or seat heater for child
seats). These may influence the electrical
capacitance measured by the capacitive pas­
senger detection system and can also fly
around in an accident and cause serious per­
sonal injury.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the time
whenever the ignition is switched on.
- If the
PASSENGER AIR BAG OFF light does
not come on and stay on, immediately in­
stall the forward-facing child seat at a seat-
ing position on the rear seat and have the
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airbag system inspected by your authorized
Audi dealer.
- Take the child restraint off the front passen­
ger seat and install it properly at one of the
rear seat pos it ions if the
PASSENGER AIR
BAG OFF
light does not stay on whenever
the ignition is switched on .
Booster seats and safety belts
Properly used booster seats can help protect
children weighing be tween about 40 lbs. and 80
lbs . (18 kg and 36 kg) who are less than 4
ft. 9
in . (57 inches/1 .45 meters) tall .
Fig. 14 2 Re ar seat: child pro perl y restrain ed in a booster
seat
T he vehicle's safety belts alone will not fit most
children unti l they are at least 4
ft . 9 in . (57 in­
ches/1.45 meters) tall and we igh about 80 lbs .
(36 kg) . Booster seats raise these children up so
that the safety bel t will pass properly over the
stronger parts of their bodies and the safety belt
can help protect them in a c rash.
.,. Do not use the co nvertib le locking retractor
when using the vehicle's safety bel t to restra in
a ch ild on a boos ter sea t.
.. The shoulder be lt must lie as close to the cen­
te r of the child's co llar bone as possible and
must lie flat and snug on the upper body. It
must never lie across the throat or neck. The
lap belt must lie across the pelvis and never
ac ross the stomach or abdomen . Make sure the
belt lies flat and snug . Pull on the belt to tight­
en if necessary .
.,. If you must transpo rt an older chi ld in a boos­
ter seat on the front passenger sea t, you can
use the safety belt height adj ustmen t to help
adjust the shoulder port ion properly .
Child sa fe ty
.. Secure unused sa fety belts on the rear seat
i=> page 177.
Childre n up to at least 8 yea rs old (over 40 lbs or
18 kg) are best protected in child safety seats de ­
s igned for their age and weight . Experts say that
the skeleta l structure, particularly the pelvis, of
these chi ldren is not f ully deve loped, and they
must not use the vehicle safety belts without a
su itable child restraint .
It is usually best to put these child ren in appro­
priate booster seats . Be sure the booster seat
meets all applicab le safety standards.
Booster seats ra ise the seating position of the
child and reposit ion both the lap and shoulder
parts of the safety belt so that they pass across
the chi ld's body in the right places. The routing of
the be lt over the chi ld 's body is very important
for the ch ild's protection, whether or not a boos ­
te r seat is used . Children age 12 and under must
always ride in the rear seat.
Children who are at least 4
ft. 9 in . (57 inches/
1.45 meters) tall can generally use the vehicle's
th ree po int lap and shoulder be lts . N ever use the
lap belt portion of the veh icle's safety belt a lone
to re strain any child , regardles s of how b ig the
c hi ld i s. A lways remember that c hildren do no t
have the pronounced pe lv ic struct ure required for
the p roper function of lap belt port ion of the ve­
hicle 's t hree point lap and shoulder be lts . The
c h ild 's safety abso lutely requires that a lap belt
portion of the safety belt be fastened snug ly and
as low as possible around the pelvis . Never let
the lap belt portion of the safety belt pass over
the ch ild's stomach or abdomen .
In a crash, a irbags must inflate within a blink of
an eye and with considerable force . In order to do
its job, the airbag needs room to inflate so that it
will be the re to p rotect the occ upant as th e occu­
pant moves fo rward into the airbag .
A vehicle occupant who is out of posit ion and too
close to the a irbag gets in the way of an inflating
airbag . When an occupan t is too close, he o r she
will be struck violent ly and w ill receive ser ious or
poss ibly eve n fa ta l injury. .,,.
181

Child safet y
In order for the airbag to offer protection, it is
important that all vehicle occupants, especially
any children, who must be in the front seat be­
cause of except ional circumstances, be proper ly
restrained and as far away from the airbag as
possible . By keeping room between the child's
body and the front of the passenger compart­
ment, the airbag can inflate comp letely and pro­
vide supp lemental protection in ce rtain frontal
coll is ions .
A WARNING
Not using a booster seat, using the booster
seat improperly, incorrect ly installing a boos­
ter seat or using the vehicle safety belt im­
properly increases the risk of serious personal
injury and death in a collision or other emer­
gency situat ion. To help reduce the risk of se­
r ious personal injury and/or death:
- The shoulder belt must lie as close to the
center of the child's collar bone as possible
and must lie flat and snug on the upper
body .
It must never lie across the throat or
neck. The lap belt must lie across the pelv is
and never across the stomach or abdomen.
Make sure that the be lt lies flat and snug.
Pull on the belt to tighten i f necessa ry .
- Failure to properly route safety be lts over a
child 's body will cause severe injuries in an
accident or other emergency sit uation
¢ page 140.
- The rear side of the child safety seat shou ld
be positioned as close as possible to the
backrest on the vehicle seat.
- For adjustable head restraints: adjust or re ­
move the rear seat head restraint if it is dif­
ficult to install the child seat with the head
restraint in place¢
page 56. Install the
head restraint again immediately once the
child seat is removed . Driv ing without head
restraints or with head restraints that are
not properly adjusted increases the r isk of
serious o r fatal neck injury dramatically .
- Children on the front seat of any car, even
with Advanced Airbags, can be ser iously in­
jured or even killed when an airbag inflates.
- Never let a child stand or knee l on any seat,
for example the front seat.
182
-
- Never let a child ride in the cargo area of
your veh icle.
- Always remember that a child leaning for­
ward, sitting sideways or out of position in any way during an acc ident can be struck by
a deploying airbag. This will resu lt in serious
personal injury or death.
- If you must install a booster seat on the
front passenger seat because of exceptional
circumstances the
PASSENGER AIR BAG
OFF
li ght must come on and stay on, when­
eve r the ign it ion is switched on.
- If the
PASSENGER AIR B AG OF F light does
not come on and stay on, perform the
checks described ¢
page 160, Monitoring
the Advanced Airbag System.
- Ta ke the child restraint off the front passen­
ge r seat and install it properly at one of the
rear seat positions if the
PA SSENGER AIR
BAG OFF
light does not stay on whenever
the ignition is switched on .
- Always read and heed a ll WARNINGS when­
ever using a child restrained in a vehicle is
being used¢
page 140, Safety belts,
¢page 148, Airbag system
and
¢ page 172, Important information.
Securing child seats
Securing a child safety seat using a safety
belt
Safety belts for the rear seats and the front pas­
senger can be locked with the convertible lo cking
retractor to properly secure child safety seats .
The safety belts emergency locking retracto rs fo r
the rear seats safety belts and for the front pas ­
senger's seat safety be lt have a convert ible lock­
ing retractor for chi ld restraints. The safety belt
must be locked so that belt webbing cannot un­
reel. The retractor can be activated to lock the
safety belt and prevent the safety be lt webbing
from loosening up during normal driving. A child
safety seat can on ly be properly installed when
the safety belt is locked so that the child and
c hi ld safety seat will stay in p lace .
Always remember: Even though your vehicle is
equipped with an Advanced Airbag system, all

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children, especially those 12 years and younger,
should always ride in the back seat properly re­
strained for their age and size.
A WARNING
-
Improperly installed child safety seats in­
crease the risk of serious personal injury and
death in a collision.
- Always make sure that the safety belt re­
tractor is locked when installing a child safe­
ty seat. An unlocked safety belt retractor
cannot hold the child safety seat in place
during normal driving or in a crash.
- Always buckle the child safety seat firmly in
place even if a child is not sitting in it . A
loose child safety seat can fly around during
a sudden stop or in a collision.
- Always make sure that the rear seat back­
rest to which the center rear safety belt* is
attached is securely latched whenever the
rear center safety belt is being used to se­
cure a child restraint.
- If the backrest is not securely latched, the
child and the child restraint will be thrown
forward together with the backrest and will strike parts of the vehicle interior. The child
can be seriously injured or killed.
- Never install rear-facing child safety seats or
infant carriers on the front passenger seat.
A child will be seriously injured and can be killed when the passenger airbag inflates.
- The inflating airbag will hit the child safety seat or infant carrier with great force and
will smash the child safety seat and child
against the backrest, center armrest, door
or roof.
- Always install rear-facing child safety seats or infant carriers on the rear seat.
- Forward-facing child safety seats or infant
carriers installed on the front passenger's
seat may interfere with the deployment of
the airbag and cause serious injury to the child.
- It is safer to install a forward-facing child
safety seat on the rear seat.
- Always read and heed all WARNINGS when­
ever using a child restrained in a vehicle is
being used
r:::> page 172 . Special precautions
Child safety
apply when installing a child safety seat on
the front passenger seat
r:::> page 149, Child
restraints on the front seat -some impor­
tant things to know .
A WARNING
Always take special precautions if you must
install a forward or rearward-facing child re­
straint on the front passenger's seat in excep­
tional situations:
- Whenever a forward or rearward-facing
child restraint is installed on the front pas­
senger seat, the
PASSENGER AIR BAG OFF
light must come on and stay on whenever
the ignition is switched on.
- If the
PASSENGER AIR BAG OFF light does
not come on and stay on, perform the
checks described
r:::> page 160, Monitoring
the Advanced Airbag System.
- Take the child restraint off the front passen­
ger seat and install it properly at one of the
rear seat positions if the
PASSENGER AIR
BAG OFF
light does not stay on whenever
the ignition is switched on.
- Improper installation of child restraints can
reduce their effectiveness or even prevent
them from providing any protection.
-An improperly installed child restraint can interfere with the airbag as it deploys and
seriously injure or even kill the child.
-Always carefully follow the manufacturer's
instructions provided with the child safety
seat or carrier.
- After checking to make sure that the child
restraint is properly installed, make certain
that the child restraint is correctly recog­ nized by the capacitive passenger detection
system in the front passenger seat and that
the
PASSENGER AIR BAG OFF light signals
the correct front passenger frontal airbag
status.
A WARNING
Forward-facing child restraints:
-
183

Child safety
-Always make sure the forward-facing seat
has been designed and certified by its man­
ufacturer for use on a front seat with a
passenger front and side airbag.
- Never put the forward-facing child restraint
up, aga inst or very near the instrument pan­
el.
- Always move the passenger seat into its
rearmost position in the seat's fore and aft
adjustment range, as far away from the air­
bag as possible before installing the for­
ward-fac ing child restraint. The backrest
must be adjusted to an upright posit ion.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the time
whenever the ignition is switched on.
_&. WARNING
Rearward-fac ing ch ild restra ints:
- A child in a rearward-facing child safety seat
installed on the front passenger seat will be
seriously injured and can be killed if the
front airbag inflates -even with an Ad ­
vanced Airbag System .
- T he inflating airbag wil l hit the child safety
seat or infant carrier with great force and
will smash the chi ld safety seat and child
against the backrest, center armrest, door
or roof.
- Always be especially carefu l if you must in­
stall a rearward facing child safety seat on
the front passenger seat in exceptional cir­
cumstances.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the t ime
whenever the ignition is switched on .
- If the
PASSENGER AIR BAG OFF light does
not come on and stay on, immed iately in­
stall the rear-fac ing ch ild safety seat in a
rear seating position and have the airbag
system inspected by your Aud i dealer.
184
· Activating the convertible locking retractor
Use the convertible locking retractor to secure a
child restraint.
Always heed the child safety seat manufacturer's
instructions when installing a child restraint in
your vehicle . T o activate the convert ible locking
retractor:
.. Place the child restraint on a seat, preferably on
the rear seat .
.. Slowly pull the belt
all the way out.
.. Route it around or through the child restraint
belt pat h
c::> ,&..
.. Push the ch ild safety seat down with your full
weight to get the safety belt really tight.
.. Insert the belt tongue into the buckle for that
seating position.
.. Guide the safety be lt back into the retractor un­
til the belt lies flat and snug on the ch ild safety
seat.
.. You should hear a "clicking" noise as the belt
w inds back into the inertia reel. Test the con­
vert ible lock ing retractor by pulling on the belt .
You should no longer be able to pull the belt
out of the ret ractor. The convertible locking re­
tractor is now activated .
.. Make sure that the red release button is facing
away from the child restraint so that it can be
unbuckled quickly .
.. Pull on the belt to make sure the safety belt is
properly tight and fastened so that the seat
cannot move forward or s ideways more than
one inch (2 .5 cm).
_&. WARNING
Using the wrong child restraint or an improp­
erly installed child restraint can cause serious
personal injury or death in a crash.
- Always make sure that the safety belt re­
tractor is loc ked when insta lling a child safe­
ty seat. An unlocked safety belt retractor
cannot hold the child safety seat in place
during normal driving or in a crash.
- Always buckle the child safety seat firmly in
place even if a chi ld is not sitting in it. A
loose child safety seat can fly around during
a sudden stop or in a crash.
.

Checking and F ill in g
Checking and Filling
Gasoline
Fuel supply
App lies to veh icles: w ith gaso line engine
Using the right fuel helps keep the environment
clean and prevents engine damage.
Fuel re co mm en da tion
The fuel recommended for your vehicle is unl ead­
e d prem ium
grade gaso line. Audi recommends
using TOP TIER Detergent Gasoline with a mini­
mum octane rating of 91 AKI (95 RON). For more
information on TOP TIER Detergent Gasoline,
please go to the official website
(www.toptiergas .com).
The recommended gasoline octane rating for
your engine can also be found on a label located on the ins ide of the fuel filler flap . This rating
may be specified as AKI or RON .
Your vehicle may also be operated using unlead­
ed regular gasol ine with a minimum octane rat ­
ing of 87 AKl/91 RON. However, using 87 AKI/
91 RON octane fue l wi ll sli ght ly reduce engine
pe rformance.
U se un leade d ga solin e only . Unleaded gasoline
is available throughout the USA, Canada, and in
most European countries. We recommend that
you do not ta ke you r vehicle to areas or countr ies
where unleaded gasoline may no t be ava ilable.
For more informat ion on refueling your veh icle,
see
¢page 192.
Octan e rat ing
Octane rating indicates a gasoline's ability to re­
sist engine damaging "knock" caused by prema­
ture ignition and detonation . Therefore, buying
the correct grade of gasoline is very important to
he lp prevent possible eng ine damage and a loss
of eng ine performance.
Gasoline most commonly used in the Un ited
States and Canada has the following octane rat­
i n gs that ca n usually be found on the filler pump:
- Prem ium Grade : 91 - 96 AKI
190
- Regular Grade: 87 -90 AKI
Explanation of the abb reviations:
AKI = Anti Knock Index = (R +M)/2 = (RON+MON)/
2
RON= Research Octane Number
MON = Motor Octane Number.
{[) Note
-Do not use any fue l w ith o ctane rat ings low­
er than 87 AKI or 91 RON otherwise expen­
sive engine damage w ill occur .
- Do
not use leaded gasoline. The use of lead­
ed gasoline will severely damage your veh i­
cle's catalytic converter and its abi lity to
control exha ust em issions.
Blended gasoline
App lies to vehicles: wit h gaso line e ngi ne
U se of g aso lin e cont aining alcohol or MTBE
( meth yl tert iary butyl ethe r)
You may use unleaded gasoline blended with al­
cohol or MTB E (commonly referred to as oxygen­
ates) if the ble nded mixture meets the following
criteria:
Blend of gasoline methano l (wood alcohol or
m eth yl alcoho l)
-Anti -knock index must be 87 AKI or h igher.
- Blend must contain no more than 3% metha-
nol.
- Blend must contain more than 2% co-solvents.
Blend of ga solin e and ethan ol (grain alcoh ol or
ethyl alcohol )
- Anti-knock index must be 87 AKI or h igher.
- Blend must not conta in more than 15% etha-
nol.
Blend of ga soline a nd M TBE
- Anti-knock index must be 87 AK I or h igher.
- Blend must contain not more tha n 1S % MTB E.
S eas onall y adjust ed gasoline
Many gasoline grades are blended to perform es­
pecially well for winter or summer dr iv ing . Dur-
i ng seasonal change-over, we suggest tha t you .,..