Com VOLKSWAGEN JETTA 2008 Owners Manual

Booklet 3.1 Controls and Equipment
Cooling system
When the air condit ion ing is on, not on ly th e
temperatur e, but also the air humidit y in th e ve­
h icle interior is re du ced. Thi s improve s comfort
for the vehicle occupallls and preve nts th e w in­
dows from fogging up when th e o utsi de a ir i s
very humid.
I f the air conditionin g does not
on, it
co uld be for one of the follow ing reasons
• the eng ine is no t running.
Applies to vehicles: with Climatic
Air recirculation mode
• th e fan is sw itch ed off.
• t he outs id e te mperatu re is lower than
rou ghly
+ 40 ( +3 °CJ .
• the air conditioner compr essor has bee n
tempor aril y sw it ched off because th e e ngi ne
coo la nt te mp erature i s too high.
• the air condition er fu se is blow n.
• have the air condit ione r ch ecked by an au­
th ori ze d Vo lkswage n deale r.
Air recirculat ion mod e prevent s fum es or unpleasant smells from entering the ve­
hicle.
- Pre ss the butt on 82, 68
switch air r eci rculat io n mode on or off.
When it is s witch ed on a yellow light in the
button light s up.
Air r ecircul atio n m ode pre vents stro ng out door
odors from ent erin g th e ve hicle interior, for ex­
amp le when driving th rough a tunnel or in
de nse traffi c.
the out side te mp erature is low, usin g air
r e circulat io n m ode prov ides mor e effective
h ea tin g by hea ting air fr om th e ve hicle int eri o r
instead of cold air from outsid e.
W hen th e o utside te mperat ure is hi gh, usin g air
r eci rculation mode prov ides m ore effectiv e
coo ling
cooling air from th e ve hicle i111erior
in ste ad of wa rm ai r from ou ts id e.
For safety re aso ns, air re cir cu lati on is not pos­
s ib le
th e colll ro l for air di stributi on i s set
t o th e® pos ition. The air reci rc ul atio n m ode ca
n b e sw itch ed back on b y pressing
bu lion .
WARNING
Stale air cau ses driver fatigue and reduces
dri ver alert ness . Thi s can lead lo acciden ts,
co llisio ns and seriou s perso nal injury.
• Neve r use air reci rculation for lo ng period s
of tim e becau se no fresh air will come into the
pa ssenger com partm ent.
• If the coo ling sys tem is sw itch ed o ff, the
w indows can fog up qui ckl y and decrease
dr ive r vis ibilit y.
• Always sw itch the recirculation mode off
wh en i t is not nee ded.
Do not s moke whil e a ir reci rc ul atio n m ode is on,
as sm oke draw n i111 0 the clim ate-co ntrol sys te m
ca n leave a re sidue on th e evaporator, producin g
perm an en t unpl easant odo r.
Air conditioning system 83

Booklet 3.1 Controls and Equipment
I ECONJ b utt on sw itche s on economy mode.
W hen t he in th e bu tton lights up , the
coo ling sys te m i s sw itch ed off to save fu el.
Temperat ure contro l fo r the r ig h t sid e
WARNING
Sta le air c auses driver fa tigue an d reduces
dr ive r ale rtn ess. T his ca n lead to accide nts,
c olli sio ns and ser iou s perso nal i njury.
• Neve r use a ir reci rc ul atio n for l ong peri ods
o f t im e beca use no fres h air will come in to th e
p assenger co mpa rtm ent.
Ap plies to vehicles: with Cli matronic
Automatic mode
WARN ING (con tinued)
• The w indows ca n fog up qu ick ly if th e
coo ling system is sw itch ed off a nd d ecrease
dri ver visib ility.
• Always switc h th e rec irc ulati on m ode
when is not nee ded .
Not e
Do no t smoke while air rec ircula tion mod e is o n,
a s s mok e
in to the cl imat e-co ntro l sys te m
ca n leave a residu e on the evaporator , producing
a permanent un pleasant odor.
In mode air temperature, flow, and dist ribution ar e automatically reg­
ulat ed so that a specified temperature is attained as quickly as possible and then
maintained.
T he te m pera ture ca n be adjusted sepa ­
rately fo r th e
84, fig . 69 .
T he but ton li gh ts up .
- Turn t he tempera ture co ntro ls
1 0 th e
de sir ed te mpera tures fo r th e le ft and ri ght
s id es of the int erior. We recomm end
84, fig. 69 and th e !ECON ] button a t
th e same time unt il th e te mpera tu re di s­
pl ay sw itch es from o ne te m pera tur e unit
t o t he ot her .
A c omfort ab le interior clima te is qu ickly re a ched
wh en a te mpera ture °F (22 °C) is se t in aut o­
matic mode. It can be chang ed a s nec essary to
suit indi vid ual pre fe rences or parti cu lar cir cum ­
s ta nces . It i s po ssible to select interior te mpera­
tur es from 61 °F (16 °CJ to 86 °F (29 .5 °CJ. These
ar e approxima te temp era tur es a nd the actual
t e mpera tu re ma y be sli gh tly hig h er or lo we r de­
p end ing on t he ou ts id e co nditi ons.
C lim atroni c automa tica lly m aint ain s a con sta nt
t e m pera tu re leve l. Th e te mp erature of the air
s u pp lied to th e interior , th e fa n sp ee d and the air
di str ibution are also reg ulated a utomat ica lly.
T he sys te m als o all ows for th e effe ct of stro ng
s unl ig h t, so th ere is no nee d for you to r e-a dju st
th e sys tem. Therefo re, aut om atic mode pro ­
v id es th e be st comfort for the vehicle occ upant s
in all cond itio ns thro ugho ut the yea r.
A utom atic mode is switche d
an ad ­
justm en t is m ad e usin g th e but to ns fo r air dis tri ­
b ut io n or the fan control. The te m pera tu re co n­
tinu es to be con tro lled.
Air conditi oning sy ste m 85

Booklet 3.1 Controls and Equipment
Applies to vehicles: with Climat ronic
Air recirculation mode
Air rec irculation mode prevents fumes or unpleasant smells from entering the ve­
hicle.
- Press the but ton 87, 72 to
s witch air rec ircu lat ion mode on or off.
Wh en it i s switched o n a ye llow lig ht in the
button ligh ts up.
A ir reci rculati on mod e pr events stron g outd oor
odors from enter ing th e ve hicl e int eri or. for ex­
a mpl e when dri ving through a tunnel o r in
dense traffic.
W hen th e o utsid e te mp eratur e is low , u sin g air
r ecirc ulatio n mod e pro vides mor e effec tive
h eat ing by hea ting air from th e veh icle inte rior
in stea d of co ld air from ou ts id e.
When the ou ts id e te mp era tur e is high. using air
recirc ulatio n mode provides m ore
coo ling by coo ling air fr om the ve hicle interior
in stea d of warm air from out sid e.
Important notes
T he pollen filter
The poll en filt er (a co mbin ed particl e filt er and
ac tive c harcoa l fil te r) se rves as a ba rr ier again st
impu rit ies in the outside air, includ ing dus t a nd
poll en.
Fo r th e air condi tio nin g sys te m
o ff
88 Air conditioning system
WARNING
Stale air causes driver fatigue and reduces
driver alertness. T his can lead to accidents ,
collisions and se rious personal injury.
• Neve r use air recircu latio n for long periods
of time because no fresh air will come into the
pa ssen ger compartment.
• The w indows can fog up quickl y if the
cooling system is switched off an d decrease
dri ver visibility.
• Always switch the recircu lat ion mod e off
w hen it is not ne ed ed.
Note
Do not sm oke whil e air rec ircul ation mod e is o n,
as sm oke drawn into th e cl im ate-co ntrol syste m
can le ave
res idu e on the evaporator, prod ucing
a per manent unpleasant odor. _,..
• Out side temperatur e is below abo ut 40° F
temperat ure.
• The air- co nditi onin g fu se is blow n.
• There is so me othe r prob le m with
ve ­
hicl e. Ha ve the air- co nditi onin g sys te m ch ec ked
a t yo ur auth orize d Vo lkswagen dea ler or quali ­
fi ed wo rks hop.
WARNING
Poor visibility increases the risk of collisions
an d ot her accide nts.
• Always make sure all windows are clear of
i ce, s now , and condens ati on for good v isib ility
- out the windshi eld, side and rear w indows.
• Maximum heating output and fa st de ­
fro stin g
only occ ur af ter the en gin e has

Booklet 3.1 Controls and Equipment
WARNING (continued)
reachedopera tingtcmpera ture. Wait until you
have good visibility before driving off.
• Thorough ly famil iarize yourse lf with the
operation of the heating and ve ntilation
system, including the defog /defro st fea tures
you will need for good vis ibilit y.
WARNING
Note that with Climat ronic switched off com­
ple tely, no outs ide air enters the interior. So
with C limatron ic switched off, op en a window
or the power
to provid e adequate fresh
air in the vehicle.
the ai r co nditi onin g
sys te m ha s been d amaged or is not working
proper ly, sw itch ove r to ECON mode to pr eve nt
more damage a nd hav e th e sys tem ch ec ked by
yo ur authorized Volkswagen dea ler or a qua li­
fjed work shop .
• Repair s to th e ai r condi tioni ng sys te m re­
qui re sp ecia l knowledge and sp ecia l too ls .
Ther efore, we reco mm end
yo u go lo an au-
Opti onal e q uipm ent thori
zed Volk swage n deale r o r oth er qualifi ed
works hop sh oul d prob lems occur.
• Do not sm oke w hile air r ecirculation mode is
on . as s moke
into the clima te-co ntrol
sys te m can leave a res idu e on the evaporator,
producing a p ermanent unp leasa nt odor.
Tips
• If th e humid ity and t emperatur e outside the
ve hicl e are h igh. cond ensation can drip off the
eva pora tor in th e climat e-contro l syste m and
form a poo l und ern eath th e ve hicle. Thi s is
normal and is not a lea k.
• Kee p th e air intake slot s in front of the wind ­
s h ie ld free of sno w, ice and le a ves to en su re
impai re d heatin g and coo ling a nd lo prevent th e
w indow s from fogging ove r.
• The a ir from the outl ets flows through the
passeng er com part men t and out the slo ts below
th e rear w indow. Do no t co ver the se slots w ith
clothing or ot her objects.
• The air condition ing sys tem work s b es t w hen
the wind ows and the powe r
are closed.
How ever, if th e ve hicle has heat ed up in the sun ,
the insid e air can be coo le d fas te r by ope ning th e
win dows to let the hot air
Air conditioning system 89

Booklet 3.1 Controls and Equipment
WARNING (continued)
redu ce the risk of personal inju ry if the
driv er' s ai rbag infl ates.
• Neve r hold the ste er ing wheel at th e 12
o'cloc k po sition or with your hands a t other
positions insid e th e steeri ng whe el rim or on
t he steer ing wheel hub. I-foldin g th e s teerin g
whe el the wro ng way can cau se s eriou s inju-
Safety
WARNING (cont inu ed)
rics to th e han ds, a rms and head the driv er's
a irb ag inflat es.
• After adjus ting th e s teering wheel, always
pus h the stee ring wh eel a dju stment lever back
up as
as it will go. T his en sure s th e po siti on
of the st eering whee l ca nnot be alt ered unin­
t e ntionally when the vehicle is moving.
Applies lo vehicles: wi th Electronic S ta biliza tion Progr am (E S P)
Electronic Stabilization Program
ESP helps mak e driving safer in certain situations.
Fi g. 75 D etail of the center console: bu tto n for ES P or ASR
Th e Electro nic Sta biliza tion Program (ESP) co n­
tain s th e Ele ctro ni c Diff ere ntial Lock (ED L) and
t h e Anti -Slip Regu la tio n (A SH). Th e ESP works
to ge th er with the Anti -lo ck in g Brake System
( ABS ). Both warnin g lig hts w ill come o n if the
E SP or ABS sys te m s m alfu nct io n .
T he ES P is s ta rt ed a utomat ica lly w hen th e en­
g in e is sta rt ed.
The ESP s hou ld ge nerall y be lef t sw itc hed on at
a ll tim es. In sp ecifi c circ um stan ces w here you
r e quir e less tract ion you ca n sw itch off th e ES P
by press ing buu on
75
For example: •
when dri vi ng w ith snow ch ain s,
• when dri vi ng in deep snow or on loo se sur­
faces .
• when ro ckin g th e ve hicle backwa rd and for ­
wa rd to fre e it fro m mu d, for exa mple.
Yo u sh o uld press th e
to swi tc h th e back o n when you no longer need wh ee l spin .
Th e and ED Lare also sw itch ed off if th e ESP
i s sw it c h ed off. This means th at this te chn ology
i s not ava ilab le fo r as lo ng as th e ESP re ma in s
s w itc hed off.
When does the w ord OFF l ight up in the button
ESP?
• will lig ht up if th ere is a fault in the ES P.
• It will li gh t up if the ES P is sw itc hed off.
WARNING
• Always adjust your driv in g to th e road,
t raffic a nd weat her cond itions. Do not l et th e
extra sa fety that ESP can prov ide temp t you
int o tak ing extra risks.
• Always drive safel y.
• ESP and ASR cannot defy the laws of
ph ysics . Slipp ery and wet roads arc dangero us
eve n with ESP!
• ESP and
ca nnot re du ce the risk of ac­
cident, for example if you drive too fast for
co nditi ons or if you do not keep your di sta nc e
fro m the vehicle in
of you.
Driving 91

@ Booklet 3.1 Controls and Equipment
WARNING
• Always re memb er th at ve hicl e alterat ion s
or modifi cation s can affe ct the fun cti on of the
ABS, BAS, EDL and ESP syste m s. Examp les o f
the se alterations or modification s include a
different whe el/ tir e co mbination and bra ke or
c h ass is m odifi cation s
3.2 "T ips and
Advi ce", c hapter "Repa irs an d techni cal mod ­
ifi ca tions."
• Changin g the vehicle su sp ens ion or using
unappro ved tire
I rim combin ation can
c h ange th e wa y th e ABS, BAS, EDL and ESP
sys tem s work and r educe th eir effe cti ve ne ss.
App lies lo vehi cles: with An ti-Slip Regula tion
Anti-Slip Regulation
WARN ING (continued)
• The effec tive ne ss ofESP is also determined
b y th e tir es fitted
3.2 "Ti ps and vice", c hapt er "W hee ls ."
g ine power -even when this is not the bes t thin g
t o do und er th e circu mstan ces .
• After reco nnect ing the v ehicle ba ttery the
ESP warning light in the ins trum ent cluste r w ill
co me on and s ta y o n.
will go o ff afte r you have
d ri ve n abou t 10 feet (3 m eter s) at 10 mph (15 km /h ).
ASR helps make driving safer in certain situation s.
On vehicl es w ith front -whee l dri ve, ASH help s
pr eve nt th e fron t w hee ls from spinnin g when
th e ve hicle is ac ce lerat ed by redu cin g th e e ngine
power dir ecte d to these whe els. T he AS H work s
to ge ther wit h the Anti-L ock B rake Sys tem (ABS).
B o th warn ing ligh ts w ill com e on if th e
or
A BS sys te m s malfun ction.
T he ASH is sta rt ed aut om ati call y wh en th e en­
g in e is s tart ed.
T he ASH s hou ld genera lly be lef t sw itch ed on at
all tim es. In specifi c ci rc um sta nces w here yo u
requ ire les s trac tion you ca n sw it c h off th e AS H
b y pr ess ing b utton
91, fig . 75.
For exam ple:
• when dri ving with sno w ch ain s,
• whe n dr iv in g in dee p s now or o n loo se s ur­
faces,
• when roc king the ve hicl e ba ckw ar d and for­
war d to free it from mud, for examp le.
Yo u sh ould pre ss the butt on
to sw itch th e back on when you no lo nger nee d w hee l s pin .
Th e EDL is al so sw itch ed off if th e ASH is
swi tche d off . Thi s m ea ns that this tec hn ology is
n ot ava ilable for as lo ng as the ASR remains
sw itched off .
92 Driving
When doe s the word OFF light up in the button ASR?
• It will lig ht up if there is a in the
• It will lig h t up if th e AS R is sw itch ed
WARNING
• Alwa ys adju st yo ur dri vin g to the road, and weather conditions. Do not l et the
ex tra safe ty th at ca n provide te mpt you
into t aking extra risk s.
• Alw ays dri ve safel y.
• ASH ca nnot defy th e la ws of ph ysics. S lip­
p ery an d we t roads arc dangerou s eve n wi th
• cann ot r edu ce the risk of accident , for
exa mpl e if yo u dri ve too fast for conditions or
if yo u do not k eep your dista n ce from the
hicl e in fr ont of you.
WARNING
• re m em be r that vehicl e alterations
or mod ifica tions can affec t th e fun ction of the
ABS , BAS , EDL and ASR systems. Examp les of
th ese a .Itera tion s or modifi cations include a

Booklet 3.1 Controls and Equipment
i0, WARNING (continued)
different wheel/lire combination and brake or
c ha ssis modifications 3.2 "Tips and
Advic e", chapt er "lle pair s and technical mod­
ifications."
• Changing the vehicle suspens ion or using
unappro ved tire
I rim combination can
c h ange the way the ABS, BAS, EDL and ASH
sys tems work and redu ce their elTective ne ss.
• Th e effectivene ss of
is also determined
b y th e tir es 3.2 and Ad­
v ic e", chapter "Wheels."
Ignition lock
Position of the ignition key
F ig . 76 lgnilion key posit io ns
Ignition switched off, steering column
In thi s po siti on the ig niti on is sw itched
off, and th e steering co lumn i s locked.
T o engage the stee ring wheel lock, re m ove the
key from the steering lo ck and turn the stee ring
w hee l un til it locks into place. You should always
l oc k the steer ing whee l w hen yo u le ave your ve­
hicl e. This make s vehi cle th eft m ore difficult
Switching on the ignition or glow plug system
Turn the ig niti on key to this pos ition and re lease
th e key. If the key can not b e tu rned or is difficult
turn from pos ition ® to posi tion m ove the
go off afte r you have
d riven about IO fee t (3 meter s) at 10 mph (15 km/ h).
s tee ring wheel (to take the load off the stee ring
l ock mec han ism) until it turn s free ly.
Starting the engine
Start the en gin e when the key is in this posit io n.
Co mp onent s th at u se a lot of electricity are
sw itch ed olT te mp orar ily. Each time you want to
s tart your engine, you must turn the ke y back to
position
0, and then perform the starting proce­
dure once aga in.
Switching off the ignition
Turn the ignition ke y this position and re lease.
Automatic switch-off of ele ctrical components
Comp on en ts that use a lo t of e lectricity (for ex­
a mpl e se at heat ers, or rear win dow defogge r)
wi ll aut om aticall y be switc hed off wh en th e ign i­
ti on is o n and th e eng ine off. This prevents
draining your b all ery.
Com po nent s th at us e littl e elec lricit y are not
sw itch ed off automatica lly. H oweve r, th ey ca n
drain the batt ery.
WARNING
Improp er u se of vehicl e ke ys can resu lt in se­
rious personal injur y.
• Always take the key wit h yo u when you
le ave the vehicl e. The engine can be star ted
and vehicle systems s uch as the power win-
»,,
Driving 93

Booklet 3.1 Controls and Equipment
Ap plies to ve hicles : with a di esel engine
Starting the diesel engine
The engine can only be started a genuine Volkswagen key the correct
code.
- Move the se lector lever to P (Park) or N
(Ne utral )
98.
- Dep ress the foot brake. In vehicles with
manual transm iss ion d epress th e clutch
pedal.
- Turn the igni tion key to position
93, 76 The g low plug
warni ng light light s up while the glow
plug s are warm ing up.
- When the warning light goes out, turn
the key to pos ition
93, fig. 76
sta rt the engine. Do not press the acc eler­
ator.
- Release the ign itio n key as soon as the
e ngin e starts to avoid damaging the
start er.
When start ing a cold eng ine, it may be a litt le
nois y for the fir st few se conds until oil pre ssur e
h as bui lt up in the hydrauli c
valve lift ers . This is
normal and no cause for conce rn.
When staring a warm engine, the pre -glow
warning light will no t li ght up. You can sta rt the
e n gi ne immed iate ly
If yo u ha ve problems sta rtin g
3.2 "Tip s
and Advice", chapt er "J ump startin g."
Di ese l e ngin e pre-glow system
Wh ile pre- glow is acti ve , n o major elec trical
lo ad s s hou ld be switched on -oth erwise unnec­
ess ary load is pla ce d on the vehicle battery.
You should start the engine immediate ly after
th e pr e-g low indica tor lig ht has gone out.
96 Driving
To start the diesel engine after the fuel tank has
been run dry
If the fuel tank was run comp lete ly dr y, the
s tartin g proc ess after refueling with die sel fuel
can take long er th an usual -up t o one minute.
Th is is be cause th e fu el sys tem fir st ha s to be
vented of a ir wh ile starting.
WARNING
H edu ce the risk of ser ious per sonal injur y
when startin g and running the vehicl e's en­
g in e.
• Never start or le t the engine run in a con­
fined or enclosed are a. Exha ust from the en­
gi ne contain s carbon mono xide , a poisonous,
co lor less and odo rless gas. Carbo n monoxide
ca n cause unconsci ousness and death .
• Neve r leave the vehicle unatt ended with
the eng ine runnin g. The vehicle could mo ve
s udd enly or an unusual operating condition
co uld occur res ultin g in prop erty damage or
personal injury.
• Neve r use "sta rting ass is t fluid s." They arc
po tentia lly exp los ive and can ca use a " run­
away" vehicl e co ndition .
Note
You can
the eng ine if you drive hi gh en­
g ine speeds, at full th rottle or by overloading the
en gin e whe n it i s cold.
For the sake of environment
Do not warm up the engine by running it with
th e ve hicl cstandin gstill. Drive off as soo n as yo u
s tart the e ngin e. T hi s help s th e e ngin e
o p­
e ra tin g temperature fa ster and r edu ces
emissions .
--4