air VOLKSWAGEN JETTA 2008 Owners Manual

Booklet 3.1 Controls and Equipment
Air conditioning system
Heating
Controls
Fig. 66 In the ce nter c onsol e: heo ting control s
-Using the control s 66 and
yo u ca n adju st th e te mper atur e, a ir di s­
tr ibuti on an d th e fan speed.
- To switc h a fun ctio n on or off, pr ess th e
ap propriat e
When a fun c­
tion is switch ed on a light in th e button i l­
luminate s.
Temperatur e
Th is c ont rol can b e use d to a dju st th e te m pera ­
tu re . Th e te mp erat ure insid e th e ve hicl e
be lower than the out sid e te mpera tur e. Max­
imum hea t outp ut, w hich is nee ded to defros t
the wind ows quic kl y, is on ly av ailab le w hen th e
e ngi ne has reac hed i ts ope rat ing te mp erature.
R e ar window heating (jiiJ
The heatin g switc hes off aut om atica lly approxi­
m ate ly JO 111 i11 111es it is sw itch ed on . It can
also he sw itch ed olTb y pu shing th e ag ain.
Recirculation mode
W hen air recirc ulat io n mod e is sw itched on
(b u illumin ated yellow light ) out sid e ai r
80 Air conditioning system
can not ent er int o the vehicle interior , fo r ex ­
a m ple w hen dri ving through a tunn el or w hen at
a sta nd sti ll in hea vy
When th e ou ts ide te mp eratur e is lo w, usin g air
re circ ulati on mode prov ides more
heat ing by heat in g fro m th e ve hicle int erior
i n ste ad of co ld air from outsid e.
Air di stribution
Thi s con tro l c an b e used to di stri bu te th e a ir.
-A ir dis tribu tio n th e w indshi eld. For
s afe ty reaso ns. th e air reci rcula tion mode is
sw itch ed off in th is po sit ion. Press
swit c h it b ack on .
-A ir di stri but ion into th e ve hicle int erior.
!,,0 -Air di stribution in to th e footwe lls.
- Air dis tr ibution to th e and the
foot well s.
Th e fa n h as four diffe re n t spee ds. The fan sh ould
always be se t at the lowes t spe ed when dri ving
s low ly .

Booklet 3.1 Controls and Equipment
WARNING
Poor visibility increases the risk of collision s
and other accidents.
• Always make sure all windows are clear of
i ce, snow, and condensa tion for good visibility
- ou t the wind shield , side a nd rear wind ow s.
• Maximum heating output and fast de­
frosting will onl y occur aft er the en gin e has
Climatic
Applies to ve hicles, Climatic
Controls
Fig . 67 In the cen te r console , Climatic cont rols
Th e a ir co nditi oning sys te m o nly wo rks
w hen the en gin e is running and th e fan i s
s w it c h ed on.
- Usin g the control s
67 and
yo u can set th e te mperatur e, air di str i­
bution and th e fan sp eed.
- To switch a functi on on or off, pre ss the
appropriat e button
Wh en a func­
tion is sw itch ed on a light in th e bu tton
il­
lumin ates .
Te mp erature =q1age 82
IECONJ butlOn or AC bu lion - coo ling sys te m
o n/off.
WARN ING (co ntinu ed)
reached operating tempe rat ure. Wait until you
have good v isi bili ty befor e driving off.
• Thoroughly famili ari ze yo urse lf wit h th e
operat ion o f the heating and ventilatio n
s ystem, including the defog/defros t features
yo u will n eed for goo d vis ibilit y.
• Always read and h eed the informat ion a nd
a ll WAR NINGS .
'4
But1on rea r window defogge r - The
h eat ing sw itches off a utom atic ally app rox i­
m ate ly
/0 a ft er it i s s witc h ed on. It ca n also be swi tc h ed off by pus hing th e
sw it c h aga in.
air r ecir culati on m ode
=q1 age 83
A ir di stri bu tion co ntrol =q1age 82
Fan -Th e fan has fo ur di ffere nt sp ee ds. T he
fa n sh o uld always be se t the lo wes t spe ed
w hen dr ivi ng slow ly.
WARNING
Poor vis ibility increases the risk of c olli sions
and o ther accident s.
Air conditioning system 81

Booklet 3.1 Controls and Equipment
WARNING (continued)
• Always make sure a ll windows arc clear of
ice, snow, and conde nsa tion for good v is ibili ty
-out the wind shi eld , side and rear w indows .
• Max imum heating output and fast
frosting w ill only occur after the en gine has
Applies to vehicles: with Climo tic
Heating and cooling the interior
WARNING (continued)
reache d operat ing temperature. Wait until you
h ave good v is ibilit y befor e driving
• Thoroughly fam iliar ize yourse lf wi th the
op erat io n of lhe hea tin g and vent ilation
sys tem, including the defog/defrost features
you w ill ne ed for good visibilit y.
• Always read and heed the inform ati on and
a ll
The set tempe rature is maintained a.ulOmatically .
Fig. 68 I n the cen ter conso le : C limo te co ntrols
Heating the interior
- Turn the temperatur e selector 68
to the right until the desired heat output
i s reached.
- Turn the ran switch © to one of the
tin gs
- Use the air di stribution to
g uid e th e air whe re you want (to
the wind shi eld l.@( into the vehicle
(to th e foot wells) th e
w ind shi eld and to th e footw ells).
Cooling the interior
- Sw itc h on the coo ling sys te m b y
pre ssing th e =efig. 68 IECONI button (the
l amp in the button should
1101 b e lit up).
82 Air conditioning system
Turn rhe temperature se lector to the le ft
until the des ired coo ling outpu t is reach ed.
Turn th e fan switch to one of the
tin gs
- Use the air d ist ribution control to
g uide the ai r flow wher e you want
(lo
th e windshield).@ (into the vehicle inte·
ri or).@j ( to the foo t wells)
(to the
w in dshi eld and to th e footwell s).
Heating
Maximum output , w hich i s need ed to fr os t the quickly , is on ly available when
the engin e rea ch ed its ope rating

Booklet 3.1 Controls and Equipment
Cooling system
When the air condit ion ing is on, not on ly th e
temperatur e, but also the air humidit y in th e ve­
h icle interior is re du ced. Thi s improve s comfort
for the vehicle occupallls and preve nts th e w in­
dows from fogging up when th e o utsi de a ir i s
very humid.
I f the air conditionin g does not
on, it
co uld be for one of the follow ing reasons
• the eng ine is no t running.
Applies to vehicles: with Climatic
Air recirculation mode
• th e fan is sw itch ed off.
• t he outs id e te mperatu re is lower than
rou ghly
+ 40 ( +3 °CJ .
• the air conditioner compr essor has bee n
tempor aril y sw it ched off because th e e ngi ne
coo la nt te mp erature i s too high.
• the air condition er fu se is blow n.
• have the air condit ione r ch ecked by an au­
th ori ze d Vo lkswage n deale r.
Air recirculat ion mod e prevent s fum es or unpleasant smells from entering the ve­
hicle.
- Pre ss the butt on 82, 68
switch air r eci rculat io n mode on or off.
When it is s witch ed on a yellow light in the
button light s up.
Air r ecircul atio n m ode pre vents stro ng out door
odors from ent erin g th e ve hicle interior, for ex­
amp le when driving th rough a tunnel or in
de nse traffi c.
the out side te mp erature is low, usin g air
r e circulat io n m ode prov ides mor e effective
h ea tin g by hea ting air fr om th e ve hicle int eri o r
instead of cold air from outsid e.
W hen th e o utside te mperat ure is hi gh, usin g air
r eci rculation mode prov ides m ore effectiv e
coo ling
cooling air from th e ve hicle i111erior
in ste ad of wa rm ai r from ou ts id e.
For safety re aso ns, air re cir cu lati on is not pos­
s ib le
th e colll ro l for air di stributi on i s set
t o th e® pos ition. The air reci rc ul atio n m ode ca
n b e sw itch ed back on b y pressing
bu lion .
WARNING
Stale air cau ses driver fatigue and reduces
dri ver alert ness . Thi s can lead lo acciden ts,
co llisio ns and seriou s perso nal injury.
• Neve r use air reci rculation for lo ng period s
of tim e becau se no fresh air will come into the
pa ssenger com partm ent.
• If the coo ling sys tem is sw itch ed o ff, the
w indows can fog up qui ckl y and decrease
dr ive r vis ibilit y.
• Always sw itch the recirculation mode off
wh en i t is not nee ded.
Do not s moke whil e a ir reci rc ul atio n m ode is on,
as sm oke draw n i111 0 the clim ate-co ntrol sys te m
ca n leave a re sidue on th e evaporator, producin g
perm an en t unpl easant odo r.
Air conditioning system 83

Booklet 3.1 Controls and Equipment
Climatronic
Applies to vehicl es : with Climotronic
Controls
controls a llow sepa rate adjustm ent of conditioning settings for left
side and right side of the vehicle.
Fig. 69 On th e cen te r conso le: Climatran ic co ntrols
The ai r co nd iti on ing syste m only works
w hen the eng in e is ru nnin g and the fan is
sw it ched on.
To adju st th e temperatur e for the left o r
r ight sid e, turn the appropriate tempera­
tur e contro l
69
T he functio ns w ill b e switc hed on when
o ne of the button s
is pre sse d.
W hen a function i s switched on th e light in
th e button illuminates. Press the b utto n
again to switch off the fun cti on.
The te mp era tur e ca n be adjusted separ ately for
th e left and right sid es o f the ve hicle in te ri or.
Display of the sele cted interior temp eratur e
for th e le ft side.
r ec ircu la ti on mod e 88
air di strib ution
air dis tribut ion
up war d air d istrib ution
Display of th e se lec te d int erior temperature
for right sid e.
84 Air condit ioning sy stem
defro st function for the w ind­
s hi eld. The air dr awn in from outs id e th e ve­
h icle i s dire cted at th e winds hield . The air
r ecirc ulation mode, if swi tched on, will be
sw itch ed off as soo n as the defro st fun cti on
i s sw itched on. At temperatures above
(3 the air co nditi oning system will be
sw itc h ed on automatica lly and th e fan
s p eed
w ill be in crease d by one leve l in ord er
to dry the a ir.
The hea ting
switc hes off au tomat ica lly app roxima te ly JO mi11111 esafte r it i s sw itched on. It can a lso be
sw itch ed off by push ing th e sw itch again.
Temperature contro l for the lef t side 85
Fa n sp ee d co ntrol 87
th e C limatro nic on a nd
o ff 87. When th e sys te m i s off t he
li ght in the OFF button w ill illu minate .
Button (AUTO) , automatic te mperature , fa n,
and a ir dis tri bution control 8 5. Th e
se ttin gs are stor ed for the dr iver s ide and the
front passenger side if the butt on is pressed
fo r m ore than t wo sec onds.

Booklet 3.1 Controls and Equipment
I ECONJ b utt on sw itche s on economy mode.
W hen t he in th e bu tton lights up , the
coo ling sys te m i s sw itch ed off to save fu el.
Temperat ure contro l fo r the r ig h t sid e
WARNING
Sta le air c auses driver fa tigue an d reduces
dr ive r ale rtn ess. T his ca n lead to accide nts,
c olli sio ns and ser iou s perso nal i njury.
• Neve r use a ir reci rc ul atio n for l ong peri ods
o f t im e beca use no fres h air will come in to th e
p assenger co mpa rtm ent.
Ap plies to vehicles: with Cli matronic
Automatic mode
WARN ING (con tinued)
• The w indows ca n fog up qu ick ly if th e
coo ling system is sw itch ed off a nd d ecrease
dri ver visib ility.
• Always switc h th e rec irc ulati on m ode
when is not nee ded .
Not e
Do no t smoke while air rec ircula tion mod e is o n,
a s s mok e
in to the cl imat e-co ntro l sys te m
ca n leave a residu e on the evaporator , producing
a permanent un pleasant odor.
In mode air temperature, flow, and dist ribution ar e automatically reg­
ulat ed so that a specified temperature is attained as quickly as possible and then
maintained.
T he te m pera ture ca n be adjusted sepa ­
rately fo r th e
84, fig . 69 .
T he but ton li gh ts up .
- Turn t he tempera ture co ntro ls
1 0 th e
de sir ed te mpera tures fo r th e le ft and ri ght
s id es of the int erior. We recomm end
84, fig. 69 and th e !ECON ] button a t
th e same time unt il th e te mpera tu re di s­
pl ay sw itch es from o ne te m pera tur e unit
t o t he ot her .
A c omfort ab le interior clima te is qu ickly re a ched
wh en a te mpera ture °F (22 °C) is se t in aut o­
matic mode. It can be chang ed a s nec essary to
suit indi vid ual pre fe rences or parti cu lar cir cum ­
s ta nces . It i s po ssible to select interior te mpera­
tur es from 61 °F (16 °CJ to 86 °F (29 .5 °CJ. These
ar e approxima te temp era tur es a nd the actual
t e mpera tu re ma y be sli gh tly hig h er or lo we r de­
p end ing on t he ou ts id e co nditi ons.
C lim atroni c automa tica lly m aint ain s a con sta nt
t e m pera tu re leve l. Th e te mp erature of the air
s u pp lied to th e interior , th e fa n sp ee d and the air
di str ibution are also reg ulated a utomat ica lly.
T he sys te m als o all ows for th e effe ct of stro ng
s unl ig h t, so th ere is no nee d for you to r e-a dju st
th e sys tem. Therefo re, aut om atic mode pro ­
v id es th e be st comfort for the vehicle occ upant s
in all cond itio ns thro ugho ut the yea r.
A utom atic mode is switche d
an ad ­
justm en t is m ad e usin g th e but to ns fo r air dis tri ­
b ut io n or the fan control. The te m pera tu re co n­
tinu es to be con tro lled.
Air conditi oning sy ste m 85

Booklet 3.1 Controls and Equipment
Applies to vehicles: with Climatranic
Indirect ventilation
F ig . 70 Central air outlet air outlet© for direct ventilation
Applies to vehicles: with Climatronic
Rear ventilation
Fi g. 71 Rear air vents in the center co nso le
86 Air conditioning system
Ve ntila ti on i s indi rect a nd draft- fr ee if yo u clo se
t h e air o utle ts 7 0 and open air o utle t©
u sin g th e th umb
Ve ntila tion can be direc te d in to th e rear seats if
yo u op en th e air outlets =lfi g. 7 1 th e
t h umb

Booklet 3.1 Controls and Equipment
Applies to vehicles: Climofronic
Manual mode
In man ual mode you. can temperature, airfl ow, and distribution
yourself
Fi g. 7 2 On the center conso le : Cl imotronic controls
Switching on manual mode
-Press one of the butt on s 72 to
(+16 °C ) is se lec te d
th e di sp lay switch es to LO. In thi s setting the
syste m runs at max imum cooling ou tput and
th e te mp eratur e is
11 0 1 co ntroll ed.
If a tempera ture abov e
86 °F °CJ is se lec te d
th e di splay switches to HI. In th is se tting th e
sys te m run s
maxi mum hea tin g o utput and
the te mp erature is no t con tro lled .
Fon
Th e fa n ca n b e adj uste d th e fan Always have the runnin g at low sellin g
w hen driving low speeds to s ur e th ere is fl ow offresh air into th e ve hicle. If th e is se t to 0, the C lim atro nic switc he s o ff.
Air dist ribution
U se the an d@t o co ntrol the air
d is tr ibuti on. Whe n a fun ctio n is sw itch ed o n,
the button li ght s up. It is also pos sibl e to ope n
a nd close so me of the air ou tlet s se parat ely.
Sw itching the Climotroni c on /off
Th e C limatroni c sys te m can b e sw itch ed on and
off with th e The sys te m sh oul d on ly
b e off in exception al cases, e.g. if the
sys te m m alfu nct io ns. Th e butl on light s up whe n
th e sys te m i s sw itch ed off .
Switch ing on the economy mode
Use the(ECONJ bu1ton to sw itch on th e econ omy
m ode . W hen th e bu no n li gh ts up, the coo ling
sys te m sw itch es off to sa ve fue l.
Air conditioning system 87

Booklet 3.1 Controls and Equipment
Applies to vehicles: with Climat ronic
Air recirculation mode
Air rec irculation mode prevents fumes or unpleasant smells from entering the ve­
hicle.
- Press the but ton 87, 72 to
s witch air rec ircu lat ion mode on or off.
Wh en it i s switched o n a ye llow lig ht in the
button ligh ts up.
A ir reci rculati on mod e pr events stron g outd oor
odors from enter ing th e ve hicl e int eri or. for ex­
a mpl e when dri ving through a tunnel o r in
dense traffic.
W hen th e o utsid e te mp eratur e is low , u sin g air
r ecirc ulatio n mod e pro vides mor e effec tive
h eat ing by hea ting air from th e veh icle inte rior
in stea d of co ld air from ou ts id e.
When the ou ts id e te mp era tur e is high. using air
recirc ulatio n mode provides m ore
coo ling by coo ling air fr om the ve hicle interior
in stea d of warm air from out sid e.
Important notes
T he pollen filter
The poll en filt er (a co mbin ed particl e filt er and
ac tive c harcoa l fil te r) se rves as a ba rr ier again st
impu rit ies in the outside air, includ ing dus t a nd
poll en.
Fo r th e air condi tio nin g sys te m
o ff
88 Air conditioning system
WARNING
Stale air causes driver fatigue and reduces
driver alertness. T his can lead to accidents ,
collisions and se rious personal injury.
• Neve r use air recircu latio n for long periods
of time because no fresh air will come into the
pa ssen ger compartment.
• The w indows can fog up quickl y if the
cooling system is switched off an d decrease
dri ver visibility.
• Always switch the recircu lat ion mod e off
w hen it is not ne ed ed.
Note
Do not sm oke whil e air rec ircul ation mod e is o n,
as sm oke drawn into th e cl im ate-co ntrol syste m
can le ave
res idu e on the evaporator, prod ucing
a per manent unpleasant odor. _,..
• Out side temperatur e is below abo ut 40° F
temperat ure.
• The air- co nditi onin g fu se is blow n.
• There is so me othe r prob le m with
ve ­
hicl e. Ha ve the air- co nditi onin g sys te m ch ec ked
a t yo ur auth orize d Vo lkswagen dea ler or quali ­
fi ed wo rks hop.
WARNING
Poor visibility increases the risk of collisions
an d ot her accide nts.
• Always make sure all windows are clear of
i ce, s now , and condens ati on for good v isib ility
- out the windshi eld, side and rear w indows.
• Maximum heating output and fa st de ­
fro stin g
only occ ur af ter the en gin e has

Booklet 3.1 Controls and Equipment
WARNING (continued)
reachedopera tingtcmpera ture. Wait until you
have good visibility before driving off.
• Thorough ly famil iarize yourse lf with the
operation of the heating and ve ntilation
system, including the defog /defro st fea tures
you will need for good vis ibilit y.
WARNING
Note that with Climat ronic switched off com­
ple tely, no outs ide air enters the interior. So
with C limatron ic switched off, op en a window
or the power
to provid e adequate fresh
air in the vehicle.
the ai r co nditi onin g
sys te m ha s been d amaged or is not working
proper ly, sw itch ove r to ECON mode to pr eve nt
more damage a nd hav e th e sys tem ch ec ked by
yo ur authorized Volkswagen dea ler or a qua li­
fjed work shop .
• Repair s to th e ai r condi tioni ng sys te m re­
qui re sp ecia l knowledge and sp ecia l too ls .
Ther efore, we reco mm end
yo u go lo an au-
Opti onal e q uipm ent thori
zed Volk swage n deale r o r oth er qualifi ed
works hop sh oul d prob lems occur.
• Do not sm oke w hile air r ecirculation mode is
on . as s moke
into the clima te-co ntrol
sys te m can leave a res idu e on the evaporator,
producing a p ermanent unp leasa nt odor.
Tips
• If th e humid ity and t emperatur e outside the
ve hicl e are h igh. cond ensation can drip off the
eva pora tor in th e climat e-contro l syste m and
form a poo l und ern eath th e ve hicle. Thi s is
normal and is not a lea k.
• Kee p th e air intake slot s in front of the wind ­
s h ie ld free of sno w, ice and le a ves to en su re
impai re d heatin g and coo ling a nd lo prevent th e
w indow s from fogging ove r.
• The a ir from the outl ets flows through the
passeng er com part men t and out the slo ts below
th e rear w indow. Do no t co ver the se slots w ith
clothing or ot her objects.
• The air condition ing sys tem work s b es t w hen
the wind ows and the powe r
are closed.
How ever, if th e ve hicle has heat ed up in the sun ,
the insid e air can be coo le d fas te r by ope ning th e
win dows to let the hot air
Air conditioning system 89