Booklet 3.2 Tips and Advice
8 WARNING
• Alw ays remembe r that vehicle alterations
or modifi cation s can affec t the function of the
ABS, BAS, EDL and ESP syste ms. Exampl es of
t h ese a ltera ti ons or modifications include a
diff ere nt wheel/tire combination and brake or
c h ass is modification s =q1age 28, "Repairs and
t ec hni cal modifications".
Electronic differential lock {EDL)
WARNING (continued)
• Changing the vehicl e suspension or usin g
unapp roved tire I rim combination can
c h ange the way the ABS, BAS, EDL and ESP
sys tems work and re duc e th eir elJect iveness.
• The eff ec tiveness of ABS is a ls o d etermined
b y th e tir es on your vehicle
51, "Tires
and wheels"
The elect roni c differential lock helps red uce th e los s of traction if a wheel starts
s pinnin g.
T he E DL help s th e ve hicle mov ing, accel
era te and climb a gradient when t he going ge ts
s li pp ery where m ov ing ahea d ma y otherw ise be
diffi cult or eve n im possibl e. EOL u ses the AB S
se nso rs to monito r th e spe ed of t he w hee ls.
EDL works on ly when the eng ine is runnin g.
EDL can help to ba la nce out differen ces in the
rotat io n of the w hee ls of a ppro ximat ely
JOO rpm
ca use d by sli ppery gro und surface on side of the vehicl e. It do es thi s by braking th e whee l
t h a t h as los t tracti on and d is tributing more
d riv ing fo rce to the oth er d riven wheel v ia th e
diff ere nt ia l
E DL is ac tive at sp ee ds up to a bout
50 m ph (80 km /h).
E DL autom atically shut s
to pr event th e di sc
brak e of th e w hee l from over heating
under excess ive loa ds. Th e ve hicle re main s op
era tional the
way as ve hicl e without EDL.
For this reas on. the dri ver is not in form ed tha t
t h e EDL has been shu t
ED L w ill auto matica lly sw itch on again when th e
br ake ha s coo le d down.
4 Smart technology
8 WARNING
Always adjus t your driving to the road, and weather condition s. Never le t th e ex tra
sa fe ty that EDL can prov ide te mpt you into
takin g extra ri sks.
• When accelerating on a slippery surfa ce,
for example on ice a nd snow , pr ess the acce l
e rator care full y. De spite ED L, th e w hee ls may
s ta rt to spin lead ing to a loss of vehicle control.
8 WARNING
• Always remember that vehicl e alt erations
o r modifi cation s can affect the fun ction of the
AB S, BAS, EDL and ESP sys tems . Exa mple s of
th ese alt era tion s or modifications include a
di!Tcrenl wheel/tire combination and brake or
chass is modifications =q1age 28, "Repair s and
t ec hni cal m odi fication s".
• Changin g t he vehicle su spen sio n or using
u napprove d tire
I rim comb ination ca n
c hang e the way the ABS , BAS, EDL and ESP
systems work and reduce their
effective ness
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