traction control VOLKSWAGEN JETTA 2007 Owners Manual

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