2012 VOLKSWAGEN GOLF MK6 check engine light

Engine oil
find information about:
Wa rning a
nd indicator . . . . . . . . . . . . . . . 227
Engin e oil specifications . . . . . . . . . . . . . . . . . . 228
Engin e oil capac ity . . . . . . . . . . . . . . . . . . . . . . 229
Checking th e engine oil level and adding oil . 229
Eng ine oil consumpt ion . . . . . . 23 0
Changing engine oil . . . . . . . . . . . . . . .
231
More information:
P reparations for work ing in the engine compart­
m en t 222
Parts, accessories, repairs and modi fications 283
handling of engine oil can cause vere burns and other serious injuries.
Store engine oil only in the closed original container. This also applies to used oil until disposal.
tainers that might mislead someone into drinking from them.
other operating fluids, engine oil can leaking and
sp illed operating fluids and dispose of them erly in accordance with
Please first read and note the introductory information and heed the on page 227.
Lights Possible cause Proper response up
Engine oil
leve l too low. the engine. Check the engine oil level
-
off the engine. Check the engin e lev-
el. -the warn ing light flashes although the oil lev-Engin e oil p ressure to o low . el is norm al, do not co ntinue driving or let the
engi ne idle. the engine could be damaged.
Contact an auth orize d Volkswagen dealer or an
authorized Volkswagen Facility.
Have the engine oil sensor checked by an au-
Engine oil leve l se nsor malfun ction. thorized Volksw agen dealer or an authorized --Volkswage n Faci lity.
the engine compartment 227

When the ignition is switched seve ra l warn ing
and indica tor lights come on for a function
check . They go out after a few seconds.
to break down in traffic and result in a sion and serious personal injury.
Engine
on page 227.
The engine oil used must conform to exact specifi­
cations .
Using the proper engine oil is important for the
functionality and service life
of the engine.
engine was factory-filled with a high-qua lity ,
" synthe tic "
you need to add oil between oil changes, use on­
l y a high quality oil that expressly complies with the Volksw age n oil quality sta ndard specified for your
vehic le 's engine:
Engine s Engine
oil specifi-cation
vw Ga
soline engines vw vw
At the time this Manual was printed, the engine oils
avai lab le in the U.S. that meet these Volkswagen
standards are "syn thetic" oils. Th is does not mean,
howe ver, that any "synthetic " engine oil wi ll meet
Volkswagen standards. A lways use an app roved
228 cl eaning , m aint en ance
or text WARN ­
"synthetic" oil that meets the applicable Volkswa­
gen oil quality standard with viscosi ty grade
or is not availab le in your area,
be sure to use a viscosity grade suitabl e for the cli­
mate, season , and operating conditions th at exist
where the vehicle is used . Make sure the oil meets
the qual i
ty standard listed in on page 228.
Engine oils are cons tantly being improved. Author­
ized Volkswagen dealers and
authorized Volkswa­
gen Service Facilities are a lways up-to-da le re­
garding new developments and changes. Volkswa­
gen therefore recommends
tha t you have the en­
gine oil changed by an authorized Volkswagen
deale r
or an authorized Volkswagen
that meets the Volk swage n oil standard your engine requires, you may add a total of no more than 1/2 quart liter) of a high-quality
or
not be covered by any Volks­wagen Limited Warranty.
Do not mix any lubricants or other additives into the engine oil. Doing so can cause engine
damage! Damage caused by the se kinds of ad­ditives are not covered by any Volk swagen
Limited Warranty .

Engine
this section you'll find information about
Warning light and en gine coolant tempe rature
gaug e ................................. 233
En gine coolant spec ifica tions . . . . . . . . . . . . . . 235
Checking engine coolan t level and toppi ng
o ff 236
Ne ver do any work
on the coolant system unle ss
you
know exactly how to carry out the job,
have the correct technical inform ation and the
proper tools, supplie s, and operating fluids, and
are fa miliar with the necessary safety
you are uncertain in any way, have the work
done by an authori zed Volkswage n dea le r or an
a uth orized Volkswagen
in jury may
to wing =>page 149
Preparat ions for work ing in the engi ne page 222
Parts, accesso ries, repai rs and modifications =>page 283
Engine coolant is poisonous!
To reduce the risk of poisoning, never
store engine coolant in empty food or age containers or in any other containers that might mislead someone into drinking from them.
Always make sure there is enough of the correct coolant additive to provide proper tifreeze protection at the coldest tures that can be expe cted where the vehicle will be used .
At extremely cold temperatures, the ant could freeze, causing the vehicle to break down. The heater would also not work, and
vehi cle occupants could be without
Coolant and coolant additives can po llute the en vironme nt. leaking ope rati ng fluids
a nd dis pose of them properly in acco rdance with
applicab le environment al
Warning light and engine coolant temperature gauge
Fig.
perature range;© Warning zone.
first read and note the
on page 233.
the in dicator in the engine coolant tempera ture
gauge is located in the cold range @, the engine
h as not reached operating temperature . H igh
gi ne s peeds and heavy engine loads should be
avo ided .
Under normal driving con
ditions , the needle should
be in the middle of the gauge . The tempe ratu re
may go higher when the engine is working hard, espec ially i n h ot weather.
When
the ign ition is switched on, seve ra l warn ing and indicato r
the engine compartment 233

California Proposition 65 Warning
nect 2 vehicle batteries to each other when the ignition is switched on or the engine is
tem or electronic components.
violet rays may damage the battery housing.
dam-aged by freezing . Warning light
on
Alterna tor malfun ction .
W he n t he igni tion i s sw itched on, severa l wa rnin g
a n d i ndi cato r li g ht s
come on brie fly for a functio n
check . They go out after a few seconds.
Failure to heed warning
Faci lity . H av e the
e le c tric al sys tem checked. o ff unn ecessa ry electrica l loads . The ve-batt ery
to h ee d warning or text can result in vehicle damage.

Fig. 133 the engi ne compartment: Remove the
cover from the vehicle battery.
first read and note the tory information and heed the on page 238.
of the battery if th e vehicle has high in with a
warm a nd if the vehicle has an
Prepare the for work in the engine pa rtm ent 222
the engine hood in Introduction on
page 222
With a hard cover: Press on the 133 in direct ion of t h e arrow and remove the cove r upwa rd.
W ith a son cover: the cove r to the
side in th e direction of the arrow 1 34 .
Checking the vehicle battery acid
the lighting co nd it ions are poo r, use a so tha t you can see the ba ttery charge
indica tor and
The rou nd batt ery window on th e top of the battery ch anges
Care, cleaning, maintenance Fi
g. 134
cove ring of the vehic le battery .
Action cation
Battery
is too The vehicle battery may need to be Light yellow replaced. Have it chec ked by an or colorless thorized Volkswagen or an a uthor ized Volksw ag en
is sa tisfac-
tory.
Working on the batteries can cause serious acid burns, explosion, or
can burn unprotec te d skin and cause ne ss. and eye protection.
Never out of th e battery vents a nd burn you.
Never open a vehi cle battery .
you get battery acid in your eyes or on your skin, immediately rinse with water for several minutes and t hen ge t immediate
medical attention.
you any battery acid, get medi-

Charging,
on page 238.
Charging the vehicle battery
Vehicle batteries should be charged by an author­
ized Volkswagen dealer or an authorized Volkswa­
gen
because the factory -installed
battery requires a charger with overload protection
Replacing the vehicle battery
The battery in your vehicle is
batteries meet­
ing standards TL 825
electrical system, note the following :
off
Unlock the vehicle before disconnecting the
battery; otherwise the alarm system
Fir st disconnect the negativ e cable(-) and then the positive
Connecting the vehicle battery
Pr ior to reconnecting the battery , switch off electrical sys tems and devices and the ignition .
Connect the posit ive cable(+) first and then the
negative cable (-)
After the battery is connected and the ignition is
sw itched on, different indicator light s may come on. They should go out after you drive a short distance
ice Facility and have the checked.
th e ign ition not start after reconnecting the vehicle battery , lock the vehic le from the outside
and unlock it again. Then try to start the ignition
again.
lhe ignition cannot be switched on, con­
tact an authorized Volkswagen dealer, an author­
ized Volkswagen
o r another quali­
fied workshop for assistance.
Automatic electrical load deactivation
onboard electrical system management auto mati ­takes steps to help prevent battery drain.
The idle speed is increa sed so that the alterna­
t o r provides more power.
Th e power to devices that consume a lot of electricity is cut back or switched off completely.
When the engine is started, the power supply to the 12
Long periods when the engine is not running,
especially when the ignition is on .
Using electr ical sys tems or devices when the
engine is swi tched off. Leaving the
The selecto r lever is left for a long period of time in any position other than P when the ignition
is swi tched off =>page 175.
Failure to use th e proper battery with proper mounting and connection s may cause short circu its, fires, and serious persona l injuries.
Always use only maintenance-free or cy-
cle-free, leak-proof batteries with the sa me
s p ec ifications and dimensions as the original
equipment b attery. Specifications are listed
on the battery housing.
Wh en the vehicle battery is ch arged, it produ-
ces highly explosive hydroge n gas.
th e engine compartment

Engine
In this sectio n yo u 'll find informatio n about
Indicato r lights ............... ........... 295
Cata lytic co nverter
..... 296
More information:
Sh ifting gears 171
Refueling 214
Fuel 219
Engine oil
Vehicle ba ttery
N otice about data recorded by vehic le co ntr ol
modu les
T owing 330
The vehicle exhaust system and the catalytic
converter get very hot. This can cause a fire
and serious personal injury.
Never apply additional undercoating or rust proofing on or near the exhaust mani-fold, exhaust pipes, catalytic converter , or heat shields .
Proposition 65 Warning
constituents,
and certain vehicle components contain or emit chemicals known to the
addition, certain fluids contained in vehicles and certain products of component wear contain or emit chemicals
known to the
on page 295.
L
ights up Possibl e ca use Proper respon se
Engine contr
ol malfunctio n (Elec tron ic Pow -Have engi
ne checked immediat ely by an au-
er
Contr ol). thor
ized Volkswage n dea ler or aut hor ized Volks-
wagen Fa cility .
Engine contr ol/ monitoring system
malfunc- E
ase off the accelerator . Carefully drive to the
lion (engine Malfunction Indicator Light- n
ea rest auth orized Volkswagen dealer or au-MIL) thorized
Volkswagen Facility . Ha ve en-
gine checked .
Flashes Possible cause Proper response
Ease
off the accele rator. Caref ully drive to the Misfire , which can damage th e catalytic con-
nearest authorize d Volkswagen dealer or au-.
thorized Volkswagen Service Faci lity. Have en-
gine checked .
When
the ignition is switched severa l warning
and indicator ligh ts come on briefly for a func tion
check . The y
go out after a few seconds . Failure to h
eed warning lights or text WARN-
can result
Vehi cle care and maint enance

N
After replacing a headlight bulb or other light bulb, always make sure that the rubber covers or plastic caps have been properly and secure-
Indicator light
to help prevent water from getting into the electrical connections and headlight housing and damaging the electrical system.
on
Lights up Possible cause Proper response
Light bulb of the exterior vehicle lighting not Replace the light bulb that isn't working .
working .
When the ignition is switched on, several warning
and indicator lights come on briefly for a function
check . They go
out after a few seconds.
WARNING
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to break down in traffic and result in a
can result in vehicle damage.
indicated. However, indicator light come on if LEO s fail.
on
Checklist
for replacing a light bulb. Please carry out these steps only in the order listed
1.
179.
3.
4.
5.
6 .
7.
8.
9 .
position
122 .
Automatic transmission :
the transmission into Park (P) 171.
the engine and remove the key from the ignition switch 165.
Manual transmission: Engage a gear
122.
Let the burned
out light cool down.
Check
if the fuse is blown 317 .
Replace the burned
out light according to
Practical tips 321