cooling VOLKSWAGEN JETTA 2007 Owners Manual

Booklet 3.1 Controls and Equipment
Tips
Pro tec t yo ur vehicle from soilin g, for e xam ple by
w ra p ping dirt y item s in a blank et be for e lo adin g
th em thr ough the th rough-lo adi ng op enin g
glove compartment
Fig. 53 Front possenger side : glove comportment
Th e co mpartm ent can b e op ened by pu llin g th e
l eve r
53. It is loc ke d wh en th e key s lo t is in
th e pos ition.
S tora ge for the vehicle l it erat ure
Th e ve hicle lite ratur e
54 should a lways
b e ke pt in th e g love c ompartm ent. Do place
o th er obj ec ts in shel f for th e ve hicl e lllre, th ey might fall behi nd th e glove co mpart­
Cooling the g love co mpartm ent 1
3
l
T here is an air outl et o n
le ft of th e rear panel
glo ve comp artm ent.
Optiona l e qu ip me nt Fig
. 54 In open glove compartment: optional ve­
h icle manual storage
and air outlet
Turn th e air ou tle t to op en and close Always
c lose a ir outlet wh en no t in u se.
WARNING
An open glove co mpartment d oor can in­
cre ase the ris k of seriou s injury during ha rd
braking or in a cras h.
• L oose items
th e glo ve compart ment can fly throu gh the pa sse nger co m par tmen t in a
cra sh and ca use serious in jury.
• Alwa ys kee p th e g love co mpartm ent clo se d
properly wh en th e vehicl e is moving
Seat s and storage 69

Booklet 3.1 Controls and Equipment
Applies to vehicles: with front center armrest and one storage comportment
Front center armrest with storage compartment
arm rest can be moved backward and forward.
Fig. 5 5 Front armrest with storage comportme nt
Opening and closing the storage
compartment
- To open th e storage compar tment lift
th e armr est in the direction of the arrow
55 .
Applies to vehicles: with rear armrest
- To clo se th e s torag e co mpartm en t, pu ll
do wn the a rm re st.
Cooling the s torag e compartment in the front
ce nter armr est
In ve hicles w ith air co nditi oning there is a n
ou tlet in the s to rage c omp artm ent (pro vid ed a
C D Chang er
no t be en in sta lled) . D ep ending
o f th e settin g of th e front controls =: page 81 or
84 cold or h eat ed air ca n be g uid ed int o
th e co mpartm ent . Turn th e air outl et t o o pen
a nd clo se it.
WARNING
Str iking an open armrest cover can cause se­
riou s inju ry in a cras h.
• Always keep the armrest closed when th e
ve hicl e is m ov ing.
Opti onal e quipm ent
70 Seats and storage
-Fold th e rear armr est do wn complete ly .
- Pre ss the s torage compa rtment relea se
c at ch
56
- Lift th e storage compartme nt
WARNING
St riki ng an open armrest cover ca n cause se ­
r ious injury in a cras h.
• Always keep the ar mr est clo sed when the
ve hicl e is movin g.

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
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 3.2 Tips and Advice
Engine oil consumption
I n ord er to provide effective lubri cation and
cooling of int ern al eng ine compo nents, all in­
t e rnal combu stion engines use a ce rtain amount
of oil. Oil co nsumpti on varies from en gi ne
to en ­
gine and may change significantly over the life of
th e e ngine. T ypicall y engin es whi ch have a
break -in period, us e mor e oi l during the break ­
in pe riod than they do after the break-in period,
wh en oil consumption has stabilized.
Vo lksw age n recommend s that you use the ty p e
of oil that m eets th e s pec ifica tion s described
=:p age 37 ,
oil sp eci fica tion s".
Und er norm al cond ition s, the rate of oil con ­
s umpti on d ep ends on the qua lity of the o il as
w ell as it s viscos ity, the
(revolu tions per
minut e) at w hich the en gin e is operated, the
outside te mperature. the ro ad conditions as we ll
as the amount of oil di lution by co nden sa tio n
wa ter or fuel residu e and
th e ox idati on level
of the o il. As engines o il co nsumption incr ease ove r time until r epla cement of wo rn
eng ine parts may become ne cessary.
of a ll of th ese vn riabl es, it is not p ossible to sp ecify standnrd or rate o f oil con­
s umpti on. For that re ason, urge you to ch eck
the oil level in yo ur en g in e a t regu la r int erval s,
pr efe rabl y every time yo u re fu el, a nd alwa ys be­
fore going on
long trip.
The oi l pre ssure light i s not an indicator of low
e n g ine oil level. If the warnin g light doe s not go
out or flashes while drivin g (above 1500 e ngin e
a buzzer will so und. It indicates that the
o il pr essure is too low . Stop the engine imm edi-
38 Checking and Filling
ate ly, check th e engine oil leve l and add oil if
n ecessa ry. If th e eng ine oil l eve l is no rmal, but
th e light continu es to flash, do not continu e to
operate the ve hicl e. Engine dama ge ma y occ ur.
If yo u believe your engine u ses excess ive
amount s of oil, we reco mme nd that you co nsult
yo ur
Volkswagen d ea le r so that th e
ca use of conce rn can b e prop erl y diag ­
n ose d. Keep in mind t hat th e acc urate m easure­
m ent of nil consumpti on require s great car e and
ma y ta ke so me tim e. Yo ur Vo lkswagen deale r h as
in stru cti ons ho w
meas ure o il co nsumpti on
nccurately.
WARNING
S top ! Before working in the engi ne co mpart­
ment, a lways read and heed all WARN INGS
34. T he engine compar tment of a ny
m oto r ve hicl e is a potentially dangerous area
an d ca n ca use s eriou s personal injury.
Note
• The engin e in your vehicl e dep en ds on o il to
lub ricate and cool all of its mo vin g parts . Th ere­
fo re th e e ngin e oi l mu st be ch ec ked reg ularly
and k ept at th e req uir ed l evel.
• Make it a habit to have the e ngin e n il leve l
c h ec ke d eve ry tim e you refuel.
• Lack of eng in e o il ma y caus e seve re engine
d amag e.
• The
pressure warni ng ligh t is not oil
l eve l indi cato r. ._

Booklet 3.2 Tips and Advice
Coolant
Coolant specifications
Coolant is a of water at least 40% coolant additive.
The cooling s yst em must b e filled with a mixtur e
of a nd at le ast 40 % of Vol kswag en additi ve G 12 or an additi ve with the sp ec ifica­
ti o n F (purpl e in colo r).
T hi s mi xtur e gives the necess ary fro st p rotec tion
do wn to -1 3° F (-2 5° C) and p rot ec ts th e all oy
part s of the cooling sy stem again st co rros ion.
It also pr ev ent s from scalding and raises the
boilin g po int of th e cool ant.
Th e co nce ntrati on of coo la nt mu st
b e at
l e a st 40 % eve n if fr os t p rotec tion i s not r e­
quir ed .
If gre at er frost protection is nee ded in very co ld
climat es. th e proportion of th e antifree ze
tive G 12 c an b e in cre ase d. H ow ev er, th e per­
ce ntag e o f coo la nt addit ives must n ot exceed
GO% , as this
re du ce the f rost p rotec tio n. It also re du ce the coo lin g e ffec t. mi xture
w ith coo lant additi ve will give frost ti on 10 about C) .
WARNING
Coola nt is poi sonous!
• Always keep the coo la nt in its origin al con­
t a in er stored in a safe place.
• To reduce the risk of poi sonin g, neve r use
em pty food or bev erage co ntainers that might
mislead someone into d rinkin g from th em.
WARNING (continued)
• Always keep drain ed coo lant out th e
r eac h of ch ildren.
• The coolant additive
G 12 must be added in
s uffici ent quantiti es to give enough anti­
fr eeze protection at the co ldest temperatur es
that can be expecte d where the vehicle will be
u sed.
• At ex treme ly cold temperat ures, the
coolant could fr eeze, caus ing the vehicl e to
br eak dow n. The heater wou ld also not work
and vehicl e occupants could be without pro­
tection at sub-free zin g temperatures!
Note
• Oth er additi ves ma y give co nsid erabl y inf e­
ri or co rros io n prot ection. The res ulting corro­
s io n in th e coo ling syste m can lead to a lo ss of
c o ol ant , cau sing seri ous
to the en gine.
• The coo lant additiv e G 12 ( purpl e) can be
mi xed w it h th e ad diti ve G 12 (p ink ) o r w ith the
ad ditive
11. G 12 c an be recog nize d in the pans io n t ank b ecau se it is purpl e. T he coo lant
G L2 h as bee n with di ffe re nt coolant to
th e o nes nam ed ab ove if th e fluid in th e
sion ta nk brown! The coolant must b e
chang ed as soo n as pos sib le if th is is the ca se ! Se­
ri ous fun cti onal pr oble m s
en gin e co uld be caused
Checking and Filling 43

Booklet 3.2 Tips and Advice
Checking the coolant level and topping off
The correct coolant level is important for correct functioning of the engine cooling
system .
Fig. 7 In the engine compartment: coolant expan­
s ion tank
To get a true reading, the vehicle must be
on level grou nd. Before opening the en­
gine hood, always read and heed all
WARN INGS
34, is job No. l
when working in the eng ine compart­
If th e coo lant level drops too low,
th e wa rning text
STOP Ch eck coolant
O w ner's manual!
is disp layed in the instru­
ment cluster and t he engine coo lant
level/temperatu re wa rning lig h t lights up.
Opening the coolant e xpansion tank
- Switc h off the eng ine and allow it to
coo l.
- To prevent scald in g, cove r the cap
8011 the expansion tank with a thick
cloth and ca refu lly un screw the
Checking coolant level
- Look into the open coo lant expansion
tan k and read off the coo lant leve l.
- If th e leve l is belo w the
mark , top
off w ith coolant.
Topping off coolant
- Only use new coolant.
44 Checking and Filling
Fi g. 8 In the engine compar tment: cap of coola nt
expansion tank
-Do not fill above the upper mark.
Closing the coolant expansion tank
-Reinsta ll the cap
pos itio n of t he coo lant expa nsion tank i s
show n in the corre spo ndin g en gin e co mpart ­
overview 3.3 'Technical data."
Make sure that the coola nt meets the required
s p eci fications
43. Do not use a different
typ e of add itive if coolant addit ive G 12 i s not
avai lable. In this case use only water and bring
coola nt co ncentrati on back up to th e corr ect
l eve l as soo n as po ssible by to pping off with the
s p ec ified addi tive
43 .
A lways top off wi th
Do not fill above the upper mark. Otherwi se the
excess ive coo la nt be pressed out of the
coo ling sys tem w hen th e engine is hot.
T he
additive G 12 (purp le) may be mixed
w ith G 12 (pink) and a lso with G 1 1.
WARNING
Stop! Before working in the e ngine compart­
ment, a lways read and heed all WARNINGS
34. The engine compar tment of an y
motor vehicle i s a poten tially dangerous area
and can cause serious personal injury.

Note
• When mixed with ot heradditives t he colo r of
G 12 w ill chan ge to brown . If thi s ha ppens. im­
mediat ely change the coo lant. Otherw ise it wi ll
res ult in engi ne damage!
• If a lot o f coo la n t ha s been lost. wa it for the
engine to
coo l before topping cold
coolant to h elp prevent damage to th e e ngine.
Large coolan t losses are a s ign of leaks in the
Book let 3.2 Tip s and Advic e ®
cooling syste m. Ha ve the cool ing syste m
che cke d imm ediatel y by an authori zed Volk­
swage n dea le r or qua lifi ed worksho p to red uce
the risk of engine damage.
• Do not add an y type of radia to r leak sealant
to you r veh icle's e ngi ne coola nt.Adding ra di ator
repair fluid m ay adve rse ly aff ect th e f un ction
and performanc e of yo ur coo ling sys te m and
co uld result in damage not covere d by your New
Ve hicle Lim ited
The water for cleaning windsh ield should always be mixed windshield
washer
Fig . 9 In the engine comportment: cop of wind ­
shie ld wa sher flu id container
Th e wi ndsh iel d washer co ntain er loca ted
in t he eng ine c ompartme nt suppli es was her
fluid to b oth th e wind shield wash er an d hea d­
li g ht washi ng sys te m . If the was her flu id l eve l
drop s to o low. the informat io n tex t Top up
was h fluid! i s di sp layed in the ins trument cluster a nd
t h e w indshield washer warn ing light ligh ts up . Stop!
o
p eni ng t he engine hood, always
r ea d and hee d all WA RN INGS 34, is job No. l w hen working in the engi ne com­
partm ent ".
Th e location of the container is shown in
corresponding engine co mpartm elll overview
=>bookle t 3.3 ''Techn ical Data."
S inc e regular water is usually not adequate for
cleaning t he wi ndshi eld, a dd
clea ning so lution
to the water. Please follow the diluti on in stru c­
t io ns on the package.
WARNING
Stop! Before working in the eng in e co mpa rt­
m ent , a lways read a nd heed all WA RN INGS
34 . Th e engine co mpartm ent an y
motor ve hicl e is a potent ially dan gerous area
a nd ca n ca use se riou s personal inju ry.
D o not use engine coo lan t, anti-freeze a ny
o th er so lu tions that ca n damage t he ve hicl e
Ch ecki ng and Fillin g 45