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If y o u s te er t o a vo id a n o b sta cle a ft e r a n u rg en t w arn in g, s w erv e s u p port c a n h elp y o u. S w erv e
su p port b ra ke s in div id ual w heels a n d c o rre cts y o ur s te erin g w heel a n gle a s l o n g a s y o u a ctiv e ly
s te er.
S p eed r a n g e
Sw erv e s u p port is a va il a b le in a s p eed r a n ge f ro m a ro un d 3 0 k m /h (2 0 m ph) u p t o 1 50 k m /h
(9 0 m ph).
L im it s
Sw erv e s u p port d oes n ot r e act t o c ro ss in g o b je cts a n d a n im als . A lw ays a ls o o b se rv e t h e
fu n dam en ta l l im it s o f F ro n t A ssis t (→ Auto n om ous E m erg en cy B ra kin g ( F ro n t A ss is t)).
S w erv e s u p port
Th e s w erv e s u p port f u n ctio n c a n h elp t o s te er t h e v e h ic le a ro un d a n o b sta cle in c rit ic a l d riv in g
sit u atio n s.
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If t h ere is a r is k o f t h e v e h ic le c o llid in g w it h a n o n co m in g v e h ic le in t h e a d ja ce n t l a n e w hen
tu rn in g, t h e o n co m in g v e h ic le b ra kin g w hen t u rn in g f u n ctio n c a n b ra ke y o ur v e h ic le . T h e v e h ic le
c a n t h en r e m ain in it s o w n l a n e a s a r e su lt .
S p eed r a n g e
Th e o n co m in g v e h ic le b ra kin g w hen t u rn in g f u n ctio n is a va il a b le u p t o a b out 1 5 k m /h (9 m ph).
L im it s
T h e o n co m in g v e h ic le b ra kin g w hen t u rn in g f u n ctio n is a va il a b le o n ly if y o u h ave t u rn ed t h e
ste erin g w heel a n d h ave t h ere fo re s ta rt e d t h e t u rn in g m an oeu vre . T h e o n co m in g v e h ic le b ra kin g
w hen t u rn in g f u n ctio n d oes n ot r e act t o p ers o n s, a n im als , c ro ssin g v e h ic le s o r o b je cts t h at a re
n ot d ete cte d a s a v e h ic le . A lw ays a ls o o b se rv e t h e f u n dam en ta l l im it s o f F ro n t A ssis t (→
A uto n om ous E m erg en cy B ra kin g ( F ro n t A ss is t)).
O nc om ing v e hi cle b ra king w he n tu rni ng
Th e o n co m in g v e h ic le b ra kin g w hen t u rn in g f u n ctio n c a n p re ve n t t h e v e h ic le f ro m c o llid in g
w it h a n o n co m in g v e h ic le d urin g a t u rn .
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Fro n t A ssis t a n d a ll t h e in clu d ed f u n ctio n s (c o un try -d ep en den t) a re a u to m atic a lly s w it c h ed o n
w hen y o u s w it c h o n t h e ig nit io n .
H ow eve r, F ro n t A ssis t is n ot a va il a b le o r o n ly p art ia lly a va il a b le a s l o n g a s t h e in dic a to r
la m p is o n .
V olk sw ag en r e co m men ds t h at F ro n t A ssis t a n d a ll t h e in clu d ed f u n ctio n s (c o un try -d ep en den t)
a re s w it c h ed o n a t a ll t im es. E xce p tio n s (→ Auto n om ous E m erg en cy B ra kin g ( F ro n t A ss is t)).
S w it c h in g o n a n d o ff
—S w it c h F ro n t A ssis t o n a n d o ff in t h e A ssis t s y ste m s m en u o f t h e I n fo ta in m en t s y ste m (→
V eh ic le s e ttin gs m en u).
If y o u s w it c h o ff F ro n t A ssis t, a ll t h e in clu d ed f u n ctio n s (c o un try -d ep en den t) a re a ls o
sw it c h ed o ff. T h e y e llo w in dic a to r l a m p l ig hts u p in t h e in stru m en t c lu ste r d is p la y.
M akin g s e ttin g s f o r t h e i n clud ed f un ctio ns (c o un try -d ep en d en t)
Yo u c a n m ake f u rt h er s e ttin gs w hen F ro n t A ss is t is s w it c h ed o n :
—Sw it c h t h e d esir e d f u n ctio n o n a n d o ff in t h e A ss is t s y ste m s m en u o f t h e I n fo ta in m en t s y ste m
(→ Veh ic le s e ttin gs m en u).
Yo u c a n a ls o s e t t h e w arn in g t im e f o r t h e a d va n ce w arn in g.
O pera ting F ro nt A ssis t
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F ro nt A ssis t i s s ta rt in g up .
Th e in dic a to r l a m p l ig hts u p .
—Fro n t A ssis t is t e m pora ril y u n ava il a b le o r l im it e d . F ro n t A ss is t is a va il a b le a ft e r d riv in g s tra ig ht
ah ead f o r a s h ort t im e, a n d t h e in dic a to r l ig ht g oes o ut. W hen t h e v e h ic le is n ot in m otio n , t h e
in dic a to r l a m p l ig hts u p c o n tin uo usly .
F ro nt A ssis t n ot a v a il a b le o r f un ctio ns r e stric te d
Th e in dic a to r l a m p l ig hts u p y e llo w a n d a t e xt m essa g e is a ls o d is p la ye d .
—Th e r a d ar s e n so r o r c a m era w in dow is d ir t y . C le an t h e r a d ar s e n so r a n d w in dsc re en (→ Veh ic le
c a re).
—T h e v ie w o f t h e r a d ar s e n so r o r c a m era is im pair e d d ue t o t h e w eath er c o n dit io n s, e .g . s n ow ,
or d ue t o d ete rg en t d ep osit s o r c o atin g s. C le an t h e r a d ar s e n so r a n d w in dsc re en (→ Veh ic le
c a re).
—T h e v ie w o f t h e r a d ar s e n so r is im pair e d b y a d d-o n p art s , t h e t rim f ra m es o f n um ber p la te
h old ers o r s tic ke rs . K eep t h e a re a a ro un d t h e r a d ar s e n so r f re e.
—T h e v ie w o f t h e c a m era is im pair e d b y a d d-o n p art s o r s tic ke rs . K eep t h e a re a a ro un d t h e
ca m era w in dow f re e.
—T h e r a d ar s e n so r o r c a m era h as b een d is p la ce d o r d am ag ed , e .g . d ue t o d am ag e t o t h e f ro n t o f
th e v e h ic le o r t h e w in dsc re en . C heck w heth er d am ag e is v is ib le (→ Rep air s a n d t e ch nic a l
m od if ic a tio n s).
—P ain t w ork o r s tru ctu ra l m od if ic a tio n s w ere c a rrie d o ut o n t h e f ro n t o f t h e v e h ic le .
—If t h e f a u lt p ers is ts , s w it c h o ff t h e a re a m on it o rin g s y ste m a n d g o t o a q ualif ie d w ork sh op .
F ro nt A ssis t d oes n ot f un ctio n a s e x p ecte d o r i s t rig gere d un nece ssa ril y
s e ve ra l t im es.
—Th e r a d ar s e n so r o r c a m era w in dow is d ir t y . C le an t h e r a d ar s e n so r a n d w in dsc re en (→ Veh ic le
c a re).
—T h e s y ste m l im it s h ave b een e xce ed ed (→ Auto n om ous E m erg en cy B ra kin g ( F ro n t A ss is t)).
—L o w s u n o r d ark n ess.
—If t h e f a u lt p ers is ts , s w it c h o ff t h e a re a m on it o rin g s y ste m a n d g o t o a q ualif ie d w ork sh op .
T ro ub le sho oting
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Usin g a c a m era in t h e w in dsc re en , t h e l a n e k e ep in g s y ste m d ete cts r o ad l a n e m ark in gs o n t h e
ro ad . I f y o ur v e h ic le m ove s t o o c lo se t o a r e co g nis e d r o ad l a n e m ark in g, t h e s y ste m w il l w arn t h e
d riv e r w it h a c o rre ctiv e s te erin g in te rv e n tio n . T h e c o rre ctiv e s te erin g in te rv e n tio n c a n b e
ove rrid den b y t h e d riv e r a t a n y t im e.
S yste m l im it s
U se t h e l a n e k e ep in g s y ste m o n ly o n m oto rw ays a n d w ell- d eve lo p ed c o un try r o ad s.
T h e s y ste m is n ot a ctiv e u n der t h e f o llo w in g c o n dit io n s:
—T h e v e h ic le s p eed is u n der 5 5 k m /h (a p pro xim ate ly 3 0 m ph).
—Th e l a n e k e ep in g s y ste m h as n ot d ete cte d a r o ad l a n e m ark in g.
—In t ig ht b en ds.
—T e m pora ril y if t h e d riv in g s ty le is v e ry d yn am ic .
L a ne k e ep ing s y ste m ( L a ne A ssis t)
Int ro d uctio n to t he t o p ic
W it h in t h e s y ste m l im it s , t h e l a n e k e e p in g s y ste m (La ne A ssis t) h elp s t h e d riv e r t o s ta y in l a n e.
T h e f u n ctio n is n ot d esig ned t o k e ep t h e v e h ic le in l a n e a u to m atic a lly , n or is it s u it e d t o t h is
p urp ose .
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WAR N IN G
Th e in te llig en t t e ch nolo g y u se d in t h e l a n e k e ep in g s y ste m c a n not o ve rc o m e p hysic a l
lim it a tio n s, a n d f u n ctio n s o n ly w it h in t h e l im it s o f t h e s y ste m . A lw ays t a ke c a re w hen u sin g t h e
la n e k e ep in g s y ste m o th erw is e y o u c o uld c a u se a cc id en ts o r in ju rie s. T h e s y ste m is n ot a
s u b stit u te f o r t h e f u ll c o n ce n tra tio n o f t h e d riv e r a n d t h eir s te erin g.
●A dap t y o ur s p eed a n d d is ta n ce f ro m t h e v e h ic le s a h ead t o s u it v is ib il it y , w eath er, r o ad a n d
tra ffic c o n dit io n s.
●Y o ur h an ds s h ould a lw ays b e o n t h e s te erin g w heel s o t h at y o u c a n s te er a t a n y t im e. T h e
d riv e r is a lw ays r e sp on sib le f o r s ta yin g in t h e l a n e.
●T h e l a n e k e ep in g s y ste m c a n not r e co g n is e a ll r o ad l a n e m ark in gs. I n c e rt a in c ir c u m sta n ce s,
th e l a n e k e ep in g s y ste m m ay d ete ct p oor r o ad s u rf a ce s, r o ad s tru ctu re s o r o b je cts
in co rre ctly a s r o ad l a n e m ark in gs. I m med ia te ly o ve rrid e a n y u n desir e d in te rv e n tio n b y t h e
sy ste m .
●Obse rv e t h e in fo rm atio n o n t h e in stru m en t c lu ste r d is p la y a n d r e sp on d a cco rd in g t o t h e
p ro m pts , if t h e t ra ffic s it u atio n p erm it s .
●In t h e f o llo w in g s it u atio n s u n desir e d in te rv e n tio n b y t h e l a n e k e ep in g s y ste m c a n o cc u r o r
n o c o n tro l a ssis ta n ce is p ro vid ed b y t h e l a n e k e ep in g s y ste m . T h is m ean s t h at it is c ru cia l
th at t h e d riv e r is a tte n tiv e in t h ese s it u atio n s. I t m ay b e n ece ssa ry t o s w it c h o ff t h e l a n e
ke ep in g s y ste m t e m pora ril y :
●V ery s p ort y d riv in g.
●In p oor w eath er c o n dit io n s a n d w hen d riv in g o n p oor r o ad s.
●D riv in g t h ro ug h r o ad w ork s.
●O ve r h il l t o p s o r t h ro ug h d ip s.
●A lw ays p ay c lo se a tte n tio n t o t h e s u rro un din gs o f t h e v e h ic le a n d w atc h t h e r o ad a h ead .
●If t h e c a m era 's f ie ld o f v ie w is d ir t y , c o ve re d o r d am ag ed , t h e f u n ctio n o f t h e l a n e k e e p in g
sy ste m m ay b e im pair e d .
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Sw it c h in g o n a n d o ff
D ep en din g o n c o un try , t h e l a n e k e ep in g s y ste m is a lw ays s w it c h ed o n w hen t h e ig nit io n is
s w it c h ed o n . Y o u c a n a ls o s w it c h t h e l a n e k e ep in g s y ste m o n a n d o ff in t h e A ssis t s y ste m s m en u
of t h e I n fo ta in m en t s y ste m a n d v ie w t h e c u rre n t s y ste m s ta tu s t h ere .
If t h ere is a s y ste m f a u lt , t h e l a n e k e ep in g s y ste m c a n s w it c h it s e lf o ff a u to m atic a lly .
S p eed r a n g e
W hen r o ad l a n e m ark in gs c a n b e d ete cte d , t h e l a n e k e ep in g s y ste m is r e ad y t o in te rv e n e a t
sp eed s a b ove a ro un d 6 0 k m /h (a ro un d 3 5 m ph) ( s y ste m s ta tu s a ctiv e ).
D is p la y s
Fig . 1 O n t h e in stru m en t c lu ste r d is p la y: l a n e k e ep in g s y ste m d is p la ys.
1Gr een l in e: r o ad l a n e m ark in g d ete cte d . S yste m is a ctiv e ly in te rv e n in g o n t h e in dic a te d s id e.
2W hit e l in e: r o ad l a n e m ark in g d ete cte d . S yste m n ot r e g ula tin g.
Th e r o ad l a n e m ark in g t y p e c u rre n tly d ete cte d b y t h e c a m era c a n a ls o b e d is p la ye d in t h e
in stru m en t c lu ste r, e .g . d ash ed r o ad l a n e m ark in gs o r e d ge s tru ctu re s.
W it h s o m e e q uip m en t l e ve ls , a d is p la y is a ls o s h ow n o n t h e H ead -u p D is p la y (→ Head -u p
d is p la y).
T h e f o llo w in g in dic a to r l a m ps l ig ht u p , d ep en din g o n t h e d riv in g s it u atio n :
D riv ing w it h the l a ne k e ep ing s y ste m
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Syste m a ctiv e a n d r e ad y t o p erfo rm c o n tro l in te rv e n tio n .
Syste m c o n tro ls (c o rre ctiv e s te erin g in te rv e n tio n ).
If n o w arn in g l a m p l ig hts u p , t h e s y ste m is n ot r e ad y t o in te rv e n e (p assiv e s y ste m s ta tu s) o r is
s w it c h ed o ff.
W hen t h e in dic a to r is o n , t h e s y ste m t e m pora ril y s w it c h es t o p ass iv e m od e t o a llo w m an ual l a n e
ch an ges. T h e s y ste m a ls o t e m pora ril y s w it c h es t o p ass iv e m od e if t h e d riv e r in te rv e n es f o rc e fu lly
in t h e s te erin g.
D riv e r i n te rv e n tio n p ro m pt
If t h ere is n o s te erin g a ctiv it y , t h e s y ste m p ro m pts t h e d riv e r t o d riv e in t h e m id dle o f t h e l a n e b y
m ean s o f a co ustic w arn in gs a n d a d is p la y o n t h e in stru m en t c lu ste r.
If t h e d riv e r d oes n ot r e act, t h e s y ste m w il l s w it c h t o p ass iv e s ta te .
In dep en den tly o f s te erin g a ctiv it y , t h e d riv e r is a d dit io n ally r e q ueste d t o d riv e in t h e m id dle o f
th e l a n e a g ain w it h a d is p la y o n t h e in stru m en t c lu ste r d is p la y a n d w it h a co ustic w arn in gs if t h e
co rre ctiv e s te erin g in te rv e n tio n t a ke s p la ce f o r a n e xte n ded t im e.
S te erin g w heel v ib ra tio n
Th e f o llo w in g s it u atio n s c a n l e ad t o v ib ra tio n o f t h e s te erin g w heel:
—I f t h e s y ste m c a n n o l o n ger d ete ct a l a n e d urin g a s ig nif ic a n t s te erin g in te rv e n tio n .
Th e o ptio n V ib ra tio n o r S te erin g w heel v ib ra tio n c a n a ls o b e s e le cte d in t h e A ssis t s y ste m s m en u
of t h e I n fo ta in m en t s y ste m . I n t h is c a se , t h e s te erin g w heel w il l v ib ra te if t h e v e h ic le d riv e s o ve r
a d ete cte d r o ad l a n e m ark in g w hen t h e l a n e k e ep in g s y ste m is a ctiv e .