2010 VOLKSWAGEN JETTA open hood

Booklet 3.2 Tips and Advice
Checking the engine oil level
engine dipst ick indi cates the level o f th e oil.
Fig . 5 Engin e oil dip st ic k with engine oil level ma rks
To get a true reading, th e vehicle must be
o n le vel ground. Before opening the en ­
g in e hood, a lway s read a nd heed all
WA RN INGS ,iage 34, "Safety is job No. I
wh en worki ng in the eng ine
men t" .
-
the engine and wait a few minute s
for the oil to return to t he oil pan.
- Raise the en gi ne hood ,iage 36.
- Pull ou t th e dip sti ck an d w ip e it clea n
w it h a rag.
- Rein sert dip sti ck; push it all the way in. -
Pull th e dip stick out again and check
th e oil le vel.
- After check ing t he o il lev el, plea se mak e
sure that th e dip sti ck is p ush ed back i n all
t h e way.
T he pos ition of th e dip sti ck is s how n in th e cor­
responding en gin e co mpartm ent diagram
3.3 " Technical Data."
You must no t add oil.
You ca n oil. The oil leve l ma y go into th e
A ran ge, but not abov e th e A ran ge.
You must add oil. Afte r addi ng o il, m ake th at th e oi l leve l is somewhe re wit hin th e range.
WARNING
Sto p! workin g in the e ngin e c ompar t­
m ent, a lways re ad and h eed all
34. The eng ine co mpartm ent of a ny
mot or ve hicle is a poten tiall y dan gero us a re a
and ca n cau se ser io us pe rso nal injur y.
Not e
If the engin e oil leve l is above l evel 5 do
no t start th e engine -th is could damage the cat­
a ly tic co nverter and the eng ine! Contac t an au ­
th orized Volksw agen dea le r o r
qu alifi ed
workshop.
Checking and Filling 39

Booklet 3.2 Tip s and Advic e
Adding engine oil 9=::1':
Top off g radually
small of oil.
Fig. 6 In the engine comportment : engine oil filler
cap
To gel a true reading, the ve hicle m us t be
o n l eve l gro und. Before opening the e n­
g ine hood, always read a nd heed all
WA RN INGS
34, "Safe ty is job No. I
w hen working in the engine compart­
ment".
- Turn off the engine.
Unscrew the oil cap only 6 fr om
the cylind er h ea d cover . Yo u will sec the o il
can sy m bo l on top of the oil cap. If you arc
sur e, contact you r autho rize d Volk­
swag en dea le r for assis ta n ce .
- Top off oil in sma ll amo unts (not more
than a half quart/li te r at a tim e), using the
co rrect oil.
- To avoid fiJling too much oil, wai l
while and check o il level before adding
mor e.
40 Ch ecking and Filling
- As soo n as the o il leve l is in a rea
39, fig. 5
oil fill er cap is s hown in the
c orre sp ondin g eng in e compartm en t diagram
En gine oi l add itives
Vo lksw age n docs not recom mend the use of oil
add itives . Th ey may adverse ly yo ur New
V ehicl e
WARNING
Stop! Before wo rk in g in th e eng ine c ompart­
m ent , a lways read and heed WARN IN GS 34 . Th e eng ine com partm ent of an y
mot or ve hicle is a po te nti ally dang erous area
a nd can cause s eriou s personal injury.
WARNING
Spill ed oil i s a haz ard.
• The oi l filler cap must be properly secur ed
to preve nt oil fr om b eing spra yed on the hot
e n gin e an d ex hau st sys te m wh en th e e ngi ne is
runnin g.
Note
I f the oil le ve l
is above leve l 39, fi g . 5
co nven er and th e engin e! See an au­
t h ori zed Volk swag en dealer or qu alified work­
s hop .
For the sake of e nvironment
Do not l et th e oil leve l get above
Other ­
w is e oil can b e in through the cra nk case
breath er and e scape into the atm osphere
through th e exhau st

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.

fluid reservoir has a black cap.
Fig. 12 I n the engine compartm ent : c ap of the
brake fluid reservoi r
To get a read in g, the ve hicl e be
on leve l g round . Before opening th e
g in e hood, always rea d and hee d all
WA RN INGS
34, "Sa fety is job No. 1
w hen wo rkin g in the eng ine com par t·
m ent' '.
H ead off fluid leve l a t the tran s­
par ent brak e fluid reservo ir. IL sho uld
ways be be twee n th e "M IN" and "MAX"
m arks .
Bookl et 3.2 Tips and Advic e @
• Never move the w indshi eld wiper o r sh ield wiper arm manu ally· this co uld cause
damage!
• To prevent damage to the wiping sys te m,
ways loose n blades froze n to th e g lass befor e ting th e wi pers
Th e loca tion of the brak e flu id reservo ir is show n
in the correspo nding engin e co mpartm ent over·
v iew
3 .3 "Tec hnical Data. " T he brake
fluid reservoir has a black cap 12 .
Th e fluid leve l drops slightly w hen th e hide is bein g use d and as the pads are to mat ically a dju ste d as they wea r dow n.
Howe ver, if the leve l goes
no ticeab ly i n a time, o r drops below th e "MIN " mark,
ther e ma y be a lea k in the brake syste m. If th e
brak e fluid leve l drops too low, the wa rnin g tex t
STOP . Brake fluid stop vehicle! i s disp layed i n the
instrumem cluste r an d the brake system
warning lig ht light s up . If this hap pens, imm edi ·
ate ly take the ve hicle to an auth orized Vo lk­
s wa gen d ealer ship, or qua lified workshop a nd
have the brak e sys te m insp ecte d.
WARNING
Stop! Before wo rk in g in the en gin e compart­
ment , a lways read and h eed all WARN IN GS
34 . Th e engine compar tme nt of any
motor vehicle is a pot entia lly dan gerou s area
and can ca use ser io us perso nal injur y
Checking and Filling 47

Booklet 3.2 Tips and Advice
The electrolyte level be checked reg ularly in high-mileage vehicles, in hot
cou ntri es and in older batteries.
- Open the engine hood and open the
batt ery cover at the front.
- C heck th e co lor display in the round
w ind ow at the top of the battery.
- If there are air bubb les in the window,
tap the w indow gent ly un til they disp erse .
Th e positio n of th e battery is sh ow n in th e corre ­
spo ndin g engine compart ment diagram
3.3. Th
e ro und window ("magic eye '') on th e to p of
t h e batt ery chang es color, d epending on the
c harg e le vel and ele ctrolyt e le vel of the ba ttery.
I f th e c olor in the w indow i s co lor less or bri gh t
ye llow . the elec trol yte le vel of the battery is to o
I la ve the ba tte1y ch ec ked by a q ualifi ed
d eal ers hip ..
The col ors g ree n and b la ck ar c use d b y the work­
s h op t o diagno se the battery.
Charging and replacing vehicle batteries
All work with the vehicle battery req uir es specia l know ledge.
Have th e batteries checked by auth orized
Vo lkswagen deale r o r qua lified workshop be­
t ween regular ma inten an ce i nt erva ls if you of te n
driv e short distance s or i f th e vehicle is not
driven for lo ng peri ods.
I f the bat te ry has discharged and you have prob­
l ems starting th e ve hicle, the battery might be
damaged . If thi s happens, we re comme nd you
h ave the ve hicle batte ry c hecked by an autho­
ri ze d Vol kswag en dealer
it w ill he erly recha rged o r re pla ced.
C har ging vehicle batteries
T he c har ging of the vehicl e batt eri es s hould be
l ef t to an aut horized Vo lkswage n deale r o r qual­
ifi ed workshop, b ecau se your ve hicle is
equipp ed w ith specia l batteri es th at mu st b e
charg ed in a contro lled e nvironm ent.
50 Checking and Filling
Rep lacing a battery
T he batt eries have been specia lly deve lo ped for
th eir lo cat io ns and they have specia l sa fe ty fea ­
Genui ne Volkswage n batte ries me et th e m aint e­
nan ce, and safety sp ecificat io ns
fo r you r ve hicl e.
WARNING
• u se on ly maint en an ce -fr ee or
cycle -free, leak-proof batteries with the same
s pecification s and dimen sions as the ori ginal
e quipm ent batt ery. S pecifi cation s are liste d
on the batt ery hous ing.
• Before sta rtin g
work on th e batteries,
a lways rea d and heed a ll in
"Loca tion of battery" on page 49.

WARNING (continued )
hide. The doors can be lock ed using the re­
mote control key or the powe r lock button.
Th is co uld res ult in peop le bein g trapped in
th e ve hicl e.
•
build -up in th e passenger com part ­
ment an d lu ggage compartmen t o f a parked
Fuses
Changing a fu se
Fig. 32 Dosh panel, le fl: cover of fuse box A
Fuse bo x A locat ed in th e side of the
da sh pan el on th e driver' s side
In se rt a suit abl e obj ect (e .g. a sc rew ­
dr iver) into th e
32 and car efull y
pry the cove r oil
Fu se box B in the engine compartment
Open the en gin e hood .
Press the release tabs 33 (arrow s)
to re lease the fuse box cove r.
R e mo ve the cover .
To re mount the cover, place it ove r th e
fu se box
press the sid e tab s in the op­
po sit e direct ion until they latch sec ure ly.
Bookl et 3.2 Tip s and Advice
WARNING (continu ed)
vehicle can re sult in tem peratur es in the ve­
hicle that arc much higher than the out sid e
tem peratu res, p arti cularl y in su mmer. Tem ­
p era tures ca n quickl y reac h levels that can
cause unco nscio usne ss and death, particu ­
l ar ly to sma ll childre n. _.
Fig . 33 In the engine compa rtment: caver of fuse
box B
The indiv idu al el ec trica l ci rcu its are prot ecte d
b y fu se s. We reco mm end y ou sev eral spar e
fu ses at all tim es. T hese are availab le from a u­
th ori ze d Vo lk sw agen dea le rs.
A ut omob ile te chnol ogy chan ges co ntinuously.
Your a uthori ze d Volkswage n deal er h as the mo st
curr ent t echn ica l in format io n for your Vo lk­
sw agen.
I f yo u ar e
sur e w hich fu se to use or to ch an ge ,
co ntact your authori zed Vol kswage n Se rv ice
viso r.
Co lar cod ing o f fu ses
C olor
rating
li ght
5
brow n t 7.5
reel I 10
What do I do now? 77

-Place the bulb holder insert back in the
h ead light. Make sure the hold er is prop erl y
i n se rted.
- Push the
82, fig. 36
th e headlight.
Replacing the turn signal light bulb
Fig . 3 8 Bulb ho ld er for the tu rn signo l
The bulb ho lde r for the turn signal is lo­
ca ted undern eath the headlight /po sition
l amp.
Booklet 3.2 Tips and Advice
If yo u ar e unc ert ain ho w rep lace a de­
fective bulb, see yo u authorized Volk swage n
de aler for assis tance.
- Swi tc h the light off.
- Switch off the ig nition .
- Open the eng ine hood.
- Turn the bulb holder as far as it wi ll go
in the direc tion of the a rrow
38 .
- Remove the bulb holder from the hea d­
light.
- Cha nge the bulb.
- Rep lace the bul b holder in th e head-
li ght and turn it as far as it will go in the op­
po site direction to the arrow.
If you are un certain abo ut how re pla ce a d e­
f ec tive bulb , see you authorized
dea le r fo r ass is tance.
Changing the bulb for the brak e light or rear turn signal
Fig . 3 9 Broke light and rear turn signa l bu lb holder unit
Changing the bulb
- Open the rea r lid.
- Loca te th e cover in the luggage com-
partm ent trim panel to access the bulb
hold er and open it.
- Disco nn ect co nn ector
39
- Press the release ta b s =£l g. 39 (a rrow s}
and pull the bulb h older ou t.
- Repla ce the defe ctiv e bulb.
- Rein sta ll th e bu lb hold er secur ely.
- Reconnec t the connecto r@ .
- Rein stall the cove r in th e trim panel.
What do I do now ? 83