2011 OPEL GT ABS

14 9Self-help, vehicle care
Rear brake, tail, turn signal lamps
1 . Ope n lug gage compartme nt
2 . Remove 2 bolts holding the bulb
assem bly to the vehicle body.3. Pull bulb as se mbly away from ve hicle
body and de tach plug connector from
bulb assemb ly.
4. Rotate bulb soc ket a nti-clockwise and
rem ove from bulb asse mbly.
5. Re move bulb from bulb socke t and inse rt
new bulb, without touching the glass.
6. Re place bulb s oc ket in bulb ass em bly
and rotate bulb socket cloc kwise .
7. Re place bulb as se mbly into original
pos ition and repla ce 2 bolts to hold bulb
asse mbly to the v ehicle body.
8. C los e lug gage compartme nt.
R eversing lamp, fog tail lamp
1. Reach behind, up a nd under rea r
panelling and locate bulb s ocke t.
2. Rotate bulb socke t anti-clockwise and
remove from lam p as se mbly.
3 . Remov e bulb from bulb s ocket and ins ert
ne w bulb, without touching the g la ss.
4 . Install bulb s ocket by lining up the tabs in
the lamp as se mbly and rota te bulb
socke t clockwis e.

15 7Self-help, vehicle care
Brak e/clut ch fluid c ha nge
Brake /clutch fluid is hygroscopic, i.e . it
absorbs water. If the brak es be come hot,
s uc h as whe n driving on long downhill
stretches, va pour bubbles can occur in the
water, which can have an extrem ely
adv ers e e ffe ct on braking power
( dep en di n g o n t h e p ro p o r t i o n o f w a t e r) .
The fluid change intervals s pecifie d in the
chapter "Service, Maintenance" on
page 1 65 m us t there fore be obs erve d.
Power steering fluid
The power steering fluid does not require
any additional ma inte na nce than that
detaile d in the c hap te r "S ervice ,
Mainte nance" on page 16 5 .
If the fluid in the re s ervoir falls below the
HOT mark on the dipstick, consult a
work shop.
Windscreen wipers
C lear v is ion is es se ntial for safe driving.
Pe rform re gular check s on the windsc re en
wipe rs to ens ure they are ope rating
correc tly . W e recomme nd wipe r blade
re placem ent at le ast once a year.
If t h e w i n dsc re en i s di r t y, o p er a t e t h e
windscreen washer system b efore
s witching on the winds cree n wipers . This
will av oid wipe r blade wea r.
Do not switch on the windscree n wipers if
the wind scre en is ice d up, as this could
dam age the wipe r blade s or the wipe r
system.
If the wipers b ecome froze n on to the glass,
w e r e c om m e n d th a t th e y b e r e l e a s e d w i t h
t h e a i d o f O p el D e - i cer S p r a y.
S mearing wiper blades c an be cle ane d with
a soft cloth a nd Opel C leaning Solvent and
Antifreez e.
W iper blades whos e lips have be come
harde ne d, crack ed or covere d with s ilicone
mus t be replac ed. This may be nece ss ary
as a re sult of the e ffe cts of ic e, thawing s alt
or hea t, or the incorrect use of cleaning
age nts.
S witc h off the windsc re en w ip ers in
car washe s – s ee page s 15 , 1 6 1.
W indscre en w ip er care – se e p age 163.
9 Wa r ning
We r ec o m m en d t h a t y o u ha v e b r a k e/
clutch fluid change d by a works hop who
is familiar with the req uire ments of the
la w as rega rd s d ispos al of brake /clutch
fluid a nd can thus he lp to protect the
en vi r o n m en t a n d y o ur he a l t h .

164 Self-help, vehicle care
Locks
The locks are lubrica te d with a high-grade
lock cy lind er gre ase at the factory. O pe l
L oc k Cy lind er Gre ase pre vents the locks
f r o m f r ee z i ng up . On l y u s e d e - i c i ng a g en t s
in eme rgencie s, a s they hav e a de greas ing
e ffe ct and will im pair the function of the
locks. After using a de-icing agent, have
the lock s re -grease d by a workshop.
E ng ine compar tme nt
Areas of the engine compartme nt that are
painted in the same colour as the vehicle
must be looked after lik e any other p ainted
surface.
It is adv isable to was h th e e n gin e
compartme nt be fore and afte r winte r and
pre se rve it with wax. Cove r alternator and
brake /clutch fluid res e rv oir with plastic
sheets before washing the engine.
W hen was hing the e ngine with a s te am-je t
cle ane r, do not d ire ct the ste am-jet a t
components of the Anti-lock Brake System
(ABS), a ir conditioning syste m, climate
control sy ste m or the b elt drive and its
components . Prote ctive wax that has be en ap plied is
also re move d during the e ngine wash. F or
this reas on, have the e ngine, brak e s ys te m
components in the engine compartment,
axle com pone nts with ste ering, body parts
and cavitie s thoroughly pre se rved by a
work shop using protective wax .
An engine w ash ca n be p erformed in the
spring in orde r to remov e dirt that has
adhere d to the e ngine comp artment,
whic h may also have a high s alt content.
Check protectiv e w ax la yer and ma ke good
if necessary.
D o no t u s e hi g h - p r e ss u r e j e t cl ea ne r s.Underbod y
Your v ehicle ha s a durable protective
coating in the whee l arches (includ ing the
longitudinal mem bers ), which provide s
pe rmanent prote ction a nd need s no
s p e c ia l m a i n t e n a n c e .
O n ve hi cl e s w h ic h a r e w a sh ed f r equ e nt l y
in automatic ca r washe s with unde rbody
was hing facility, the protective coating
ma y be impaire d by dirt-diss olving
a dd i ti v es , s o ch eck t h e u n der b od y a f t er
was hing and have it wax ed if ne ce ss ary.
Be fore the sta rt of the cold we ather se ason,
che ck the c oa ting and, if ne ces s ary, have it
re stored to perfe ct condition.
C aution – com mercially available bitumen/
rubbe r m aterials can damage the coating .
We recommend that you have underbody
work carrie d out by a workshop, who
knows the p rescrib ed materials and has
experience in the use thereof.
The underbody should be washed
following the e nd of the cold weathe r
s eas on to remov e any dirt adhering to the
underbody since this may also contain salt.
Check p rotective wax coa ting and, if
nec essary , have it restored to perfec t
condition.

17 1Service, maintenance
Use of ACEA A1/B1 and A5/B5 engine oil is
expressly forbidden, since they can cause
long-term e ngine da mage und er ce rtain
ope ra ting conditions.
Engine oil additives
The use of engine oil additives could cause
dam age and invalidate the warranty.
E ng ine oi l vis cos ity
SAE 0W-30, 0W-40, 5W-30 or 5W-40
The SAE vis cosity rating defines the ability
of an oil to flow. W he n cold, oil is more
viscous than when hot.
Multigrad e oil is indicated by two figure s.
The first figure, followe d b y a W, ind ic ates
l ow t em p er a t u r e v i sco s i t y a n d t h e se co n d
figure the high te mpera ture vis cosity.
Coolant and antifreeze
Use antifreeze of recommended
spe cification: silicate -free LL C (L ong L ife
Coolant).
The s ys te m is factory-filled with coola nt
designed for frost protection down to
approx. -2 8 °C . This conce ntration s hould
be m ainta ine d all y ear-round.
Coolant additive s inte nd ed to g ive
additiona l corrosion protection or seal
against m inor le aks can ca us e function
prob lems . L iability for cons eque nce s
re sulting from the use of coola nt a dditives
will be rejec te d.
Brake and clutch fluid
O nly use DO T3 or DO T4 brake fluid.
O ver tim e, brake fluid abs orbs mois ture
which will re duce b raking effe ctivene ss .
T h e br a ke f lu i d sh o u l d t h er e fo r e be
re placed at the s pe cifie d interv al.
Brake fluid should b e stored in a sealed
container to av oid wate r abs orption.
E ns ure it does not becom e contaminate d
with fluids containing mineral oil (oil,
pe trol, clea ne r) as this can damage the
seals and sleeves of the brake system.
9 Wa r nin g
Brake fluid is pois onous !
9 Wa r nin g
Due to its corrosive nature, it must not
come in contact with the paintwork . Flush
any e scap ed b rake fluid w ith p lenty of
water.

Ind ex18 5
C
Ca pacities ... .... ..... .... ..... .... ..... .... .... ..... .... 18 2
Ca r dimen s io ns ... .... ..... .... ..... .... .... ..... .... 18 3
Ca r P ass .. .... .... ..... .... ..... .... ..... .... .... ..... .... .. 2 1
Ca re ... ..... .... .... ..... .... ..... .... ..... .... .... ..... .... 16 1
Ca ta lytic co n ve rte r . ..... .... ..... 11 6 , 1 1 8, 13 1
Ce n tral lo ckin g s ys te m .... ..... .... .... ..... .. 6 , 2 4
Ce n tre h igh -mo u n te d s to p lamp . ..... .... 15 0
Bulb replace me nt ..... .... ..... .... .... ..... .... 15 0
Changing the battery
Remo te co n tro l .... ..... .... ..... .... .... ... 2 3, 18 1
Ch an gin g ty re /w he el ty pe .... .... .... ..... .... 12 5
Ch an gin g wh e els .... ..... .... ..... .... .... ..... .... 13 5
Chassis number
se e v eh icle iden tif ication nu mbe r . .... 17 2
Ch e ck co n tro l . ..... .... ..... .... ..... .... .... ..... 20 , 6 8
Ch ild re strain t s ys tems .... ..... .... .... ..... .... .. 4 4
Ciga rette lig hte r .. .... ..... .... ..... .... .... ..... 53 , 7 7
Clim ate co n tro l ... .... ..... .... ..... .... .... ..... .... 10 2
Clu tch f lu id . .... ..... .... ..... .... ..... .... .... ..... .... 15 6
Clu tch o pe ration . .... ..... .... ..... .... .... ..... .... 11 1
CO
2 emis s ion s ..... .... ..... .... ..... .... .... ..... .... 17 7
Co ld start .... .... ..... .... ..... .... ..... .... .... ..... .... 11 1
Co m petitive mo de .. ..... .... ..... .... .... ... 2 0, 12 0
Co n s o le bo x ... ..... .... ..... .... ..... .... .... ..... .... .. 5 1Co n tro l in dica to rs ... .... ..... .... .... ..... .... . 1 2, 5 5
ABS (Anti-lock Brak e System) ..... 55, 125
A irbag s ys tem s ... .... ..... .... .... ..... .... . 4 7, 5 7
A ltern ato r ... .... ..... .... ..... .... .... ..... .... ..... .. 5 8
Be lt ten s io n e rs ..... .... ..... .... .... ..... .... . 4 1, 5 7
Brake s ys tem .. ..... .... ..... .... .... ..... ... 5 6 , 1 2 4
C lu tch s ys tem . ..... .... ..... .... .... ..... .... ..... .. 5 6
C oo lan t te mpe ra tu re ... .... .... ..... ... 5 7 , 1 5 6
D rive r’s se at be lt . .... ..... .... .... ..... .... ..... .. 5 7
E ngin e o il pres s ure .. ..... .... .... ..... .... ..... .. 5 7
E SC (E lectronic
Stab ility Co n tro l) . .... ..... .... .... ..... ... 5 8 , 1 1 9
E SP (Ele ctronic
Stab ility P rog ra m) ... ..... .... .... ..... ... 5 8 , 1 1 9
E xh au st .. ..... .... ..... .... ..... .... .... ..... ... 5 6 , 1 1 7
F o g tail lamp .. ..... .... ..... .... .... ..... .... . 5 5, 7 5
F ron t f o g la mps .. .... ..... .... .... ..... .... . 5 8, 7 5
High be am . .... ..... .... ..... .... .... ..... .... ..... .. 5 6
Imm obilise r ..... ..... .... ..... .... .... ..... .... .2 2, 5 8
L uggage compartme nt open ...... ..... .. 5 5
P as se n ger’s s eat belt .. .... .... ..... .... ..... .. 4 3
Se at o ccu pan cy reco gn itio n .... .... ..... .. 4 8
T u rn sign als .... ..... .... ..... .... .... ..... .... ..... .. 5 6
Co o lan t .. .... ..... .... ..... .... ..... .... .... ..... . 15 4 , 1 7 1
Co o lan t leve l .. .... ..... .... ..... .... .... ..... .... ..... 1 5 5
Co o lan t temp eratu re . ..... .... .... ..... .... ..... 1 5 6
Co o ling .. .... ..... .... ..... .... ..... .... .... ..... .... ..... 1 0 7
Co rro sio n pro tectio n .. ..... .... ..1 5 1, 16 3 , 1 7 1
Co u rte s y lamp s .. ..... .... ..... .... .... ..... .... ..... .. 7 6
Bu lb re placem en t ... ..... .... .... ..... .... ..... 1 5 0
Cru ise co n trol . .... ..... .... ..... .... .... ..... .... ..... 1 2 1
D
D as h bo ard - s ee In s tru m en t pan el . .... ... 1 0
D ata . .... ..... .... ..... .... .... ..... .... ..... .... .... 2 1, 17 2
D e co mmis sio n ing .. .... ..... .... ..... .... ..... .... . 16 0
D e laye d lo ckin g . .... .... ..... .... ..... .... ..... . 24 , 6 6
D e mistin g a nd def ro s tin g .. ..... .... .... 1 6, 10 6
D ime n sio n s .... ..... .... .... ..... .... ..... .... ..... .... . 18 3
D is play . ..... .... ..... .... .... ..... .... ..... .... ..... .... ... 5 9
D is play in s trum en ts ... ..... .... ..... .... ..... .... ... 5 8
D o o r lo cks . .... ..... .... .... ..... .... ..... .... 6 , 2 6, 16 4
D rive co n tro l sys tem s ..... .... ..... .... ..... .... . 11 8
D rive r in fo rmatio n ce n tre .. ..... .... ..... . 19 , 5 9
D rive r’s se at be lt warn ing dev ice .... . 43 , 5 7
D rivin g ab ro ad .. .... .... ..... .... ..... .... ..... .... . 11 4
Head lamps .... .... .... ..... .... ..... .... ..... .... ... 7 7
D rivin g h in ts .. ..... .... .... ..... .... ..... .... ..... .... . 11 0