fuel additives VOLKSWAGEN JETTA 2008 Owners Manual

® Booklet 0.1 General Index
Engine oil 3.2: 37
Adding 3.2: 40 Additives 3.2: 40
Checking level 3.2: 39
Consumption 3.2: 38
D iesel eng ine 3.2: 41
D ipstick 3.2: 39
Grades 3.2: 38
How do I know how much oil my engine is
co nsumin g? 3.2: 38
Identifi cation symbol 3.2: 39
Oil c hange 3.2: 42
Specificatio ns 3 .2: 37
Specifications Diesel engine 3.2: 37, 41
S p ecifications gasoline engine 3.2: 37
Wha t kind of engine oil shou ld I put in my
ve hicle? 3.2: 37
When should I check the eng ine oil leve l?
3.2: 38
Where is the oil dipstick 3.2: 39
Engine
pr essure
Warning light 3.
l: 11, 25
Environ ment
Avoid ing pollution 3.2: 18, 31
C leaning the engine comp artm ent 3.2: 22
Driving economicall y 3.2: 14
Vehicle care products 3.2: 16
Env ironm ental information
Fuel economy 3.1: 6
Env ironmental tip
Fue l economy 3.1: 77
ESP 3.1: 9 1, 3.2: 5
Eve nt Da ta Recorde r 3.2: 6
Examples of im proper seating position s 2.1:
8
Exha ust warni ng ligh t
Warning light 3.1: 22
Exte nder for the safety belts 2. 1: 22
Exte rnal ae rial 3.2: 29
F
Fabric trim
C leani ng 3.2: 23
Fa ste nin g
Boo ste r se ats 2. 1: 59
Co nver tibl e child seats 2.1: 57
Infant seats 2.1: 56
Safety belt extender 2.1: 23
Safety belts 2.1: 19
6 Alphabetical index
First-aid kit 3.1: 74
Floor mats 2.1: 9
F o g lights 3.1: 46
Foo t brake
Warn ing lig ht 3.1: 30
Front airbag system 2.1: 31
Airbag deployment zone 2.1: 37
T he basic s 2.1: 31
Fro nt airbag s
De scription 2.1: 31
Front center armrest 3.1: 70
Fro nt passe nger seat backr est
Fo ld ing forward 3. 1: 61
Front seats 3.1: 60 Electrical adjustable 3.1: 62
Manual adjustable 3.1: 60
Fronta l collision s an d the laws of physics 2.1:
15
fu el filler cap
Warning light 3.1: 29
Fue l ga uge
D isplay 3.1: 7
Fuel level 3.1: 7
Fue l reserve
Warning light 3.1: 26
Wa rnin g mes sage 3.1: 11
Fuel tank 3.1: 7
Fuse box 3.2: 79
Fuses 3.2: 77
G
Garage door opener 3.1 : 44
Gaske ts 3 .2: 20
Gaso line 3.2 : 32
Blend s 3.2: 32
Co ntainin g alco hol 3.2: 32
Oc tan e rating 3.2: 32
Petro l 3.2: 32
Premi um 3.2: 32
Regular 3.2: 32
Unleaded 3.2: 32
What if! purchase poor qu al ity fuel? 3.2:
32
W hat wo uld happen i f I pu t leaded gaso­
l in e i n m y car? 3.2: 32
W inter or summ er lips 3.2: 32
Gaso line additives 3.2: 33
Genera l illu strati on 3.1: 3

For the sake of e nvi ro nm ent
Just one tank or leaded gas will seriously re ­
duc e the of the catalyti c converter.
Applies lo vehicles : with o gasoline engine
Gasoline additives
Booklet 3.2 Tip s and Advice
Tip s
you notic e a lo ss o r economy or driv e­
ability and p erformanc e problem s using one or
these fuel blends,
reco mmend that you
sw itch to unbl endecl
Gasoline additives improve quality of the gasoline.
Gasoline quality influen ces en gine behavior, fi cie ncy . p erformanc e and serv ice F o r thi s
reason you sh ou ld always use good quality gaso­
lin e contai ning additives. These addi tives will
h elp
to p re vent corrosion, keep system
clea n and pr event depo sits from bui ldin g up in
the engin e.
good qualit y gasol ine with additives is not
a vai lable, or eng in e probl em s ari se, additives
ma y be added to the gasoline.
Applies to veh icles : wi th o Diesel e ngine
Diesel fuel
Always Diesel fuel No. 2 on Ly.
Serv ice s tation s offer ing Die sel are generally
l ocated on truck routes or maj or hi ghw ays . Di­
re cto ri es or Diese l
stat ions are usually avail­
ab le at Di esel station s.
Some state s in t he USA requir e perm its
to pur­
chas e Diese l Check w ith yo ur Stat e Motor
Ve hicle Department.
Die sel
may not be ava ilable outs id e th e US A
and Canada. Be sur e to check before trav elin g to
othe r co untrie s.
Winter opera tion
At te mp erat ur es below 20° F No. 2 loses its fluidity d ue to wax separation,
which may clog the filt er or tank and
kee p th e engin e running.
To help in p reve nting su ch co nditions, the
in your vehicle is au tomatica lly preheated. You
can also buy gasoline additives separat ely
and add them to the gaso line yourself
yo u h ave
probl ems star ting or the e ngine does not sm oot hly.
Not all gasoline addit ives are effec tive. W e rec ­
omme nd you use only genu ine Vo lkswagen gas
additives for gasoline e ngin es . T hese add itive s
a re ava ilabl e from your authorized Vo lk swage n
deal er. Yo u will also receive information on how
to use th em.
Do not mi x other gas additives with th e gas
Preheating th e makes operation or
yo ur vehicl e po ssib le wit h Di ese l fuel N o. 2
down to - 10° F (-24 ' CJ.
you expect tem perat ur es below 5° F (-15 ° C) ask
you r dealer w hethe r their Diesel f uel No. 2 is
sufficie ntly winterized the pr evailing te m ­
pe ratures.
not wint erized or insu fficient ly win te rized
D iese l has a lready thick ened to the extent
that t he engin e will not start, it can be re ctifi ed
by lea vin g th e ve hicle standing
some time in
a heated s helter.
It is normal that th e engine noise leve l (die­
se ling ) is lou der du ring th e warm-up period in
w int er. It i s also norma l that whi tish-b lue smok e
be emitted from t he tailpipe after startin g
and d uring warm -up. The amoun t or smoke de-
pend s on th e outs id e te mp erature.
Checking and Filling 33