11 3Dr i vi ng and o pe r ati on
O ve rrun
zThe fuel s upply is automatically shut off
during ov errun, e. g. whe n the ve hicle is
being drive n down long gradie nts or
whe n braking – s ee page 1 11 .
zTo enable the ove rrun cut-off to take
effect a nd sav e fue l, during overrun do
not ac cele ra te and do not declutch.
Corr ect ge ar sel ec tion
zHigh revs increas e engine w ear and fue l
consumption.
zDo not race your engine. Avoid d riv ing at
high e ngine s pee ds .
Dr i v in g w i t h a n ey e o n t h e t a ch om et e r
save s fuel. I f pos sib le , drive a t low rev s in
each ge ar and a t a consta nt s pe ed.
Driv e in top g ear as m uch a s p os s ible,
shift up as s oon as pos s ib le and do not
shift down until the e ngine is no longe r
running truly . High speed
zT h e f a s t er t h e sp ee d, t h e h i g h e r t he f u el
consump tion and the noise level. Driv ing
at full throttle use s up a gre at de al of fue l
and g enerates excessive noise and high
e miss ion leve ls.
zSlightly relea sing the acce le rator ped al
res ults in distinct fuel s avings with no
major los s of spe ed.
Drive at no more tha n around thre e
quarters of max imum spe ed and you will
use up to 50% less fue l, without losing a
gre at de al of time.
Ty re pre ssure
zInade quate ty re p re s sure, leading to
higher road res istance , cos ts m one y in
two wa ys: more fue l and increa se d tyre
we ar.
zRe gular checks (e very 14 d ays ) pay off.
Ele ctri cal lo a ds
zThe power cons um ption of e lectrical
equip ment increa ses fuel consumption.
zSw itch off ad ditional c ons umers (e. g.
air conditioning, heate d re ar window)
when they are no longer required. Re pai r and m ainte nance
zImprope r repairs or adjus tm ent and
maintenance work can increase fuel
consumption. Do not carry out w ork on
the eng ine yourself.
You ma y infring e environmental la ws out
of ignorance by not d isposing of
materials prope rly.
Appropriate parts might not b e re cycle d.
Contact with some of the mate ria ls
involved may pose a health hazard.
zWe re com mend that repair and
maintenance be entrusted to your O pel
Se rv ice Partner.
E xtr em e d riving conditions
zDriv ing up s te ep gradie nts , cornering,
driving on poor roads and winte r driving
all increas e fue l consumption.
Fue l consumption increa se s dramatically
i n ur b a n t ra ff i c a nd a t w i n t er
tempe ratures, e spe cially on short trip s
w h en t h e e n g i ne o p er a t i n g t e m p e ra tu r e
is not reached.
zFollow the hints given above to keep
consumption to a m inimum under suc h
cond itions .
138 Self-help, vehicle care
7 . Switch compre ss or on/off sw itc h to
position I(on).
8 . All of the se alant is pum ped into the ty re
and the ty re is infla ted.
Sea la nt may le ak from the puncture hole
un t i l t he v e hi c l e ha s b e en d r i v en a n d t he
ho l e s ea l e d .
Do not run the compressor for more than
10 minutes, see " Important information"
on page 14 0 .9. Check the compre ss or pres s ure gauge .
If the re is no re ading, the s e alant filling
hose to va lve conne ction may be faulty.
Re-che ck the conne ction.
10. Infla te the tyre to the corre ct pre ssure -
se e page 18 0 .
As the pres s ure gauge read ing is
slightly high w hile the c om pres sor is on,
switch c om pres sor off to gain an
accurate p re ssure reading.
If the p re scribe d tyre pressure is not
obta ine d within 10 m inutes , the tyre is
too badly damage d. S witch off engine
and compre ssor, re move accessory
plug and unscre w s eala nt filling hose
before contac ting a works hop.
11. When the correct ty re pressure has
be en re ached, switch compressor on/
off switch to position O(off).
1 2. S witch engine off and unplug the
ac ces sory plug from the ac ces sory
socket.
1 3. Dis conne ct s ealant filling hose from
ty re va lv e a nd replace the dust ca p.
E x e rc is e c a u t i o n w h en r em o v i ng t y r e
re pair kit com pone nts, as the y may s till
be hot after use.
W rap s ea lant filling hos e around
comp re s sor unit in its origina l loc ation.
S tow acc essory plug in compressor unit
by wrapp ing the c ord, re conne cting the
ac ces sory plug , then pus hing in the
bottom p art of the wrapp ed c ord
followed by the top part into the
comp ressor unit.
P e el o f f t h e s t i cke r co n t a i ni n g t h e
m aximum p ermitted sp ee d that is
affixe d to the se alant bottle, and
attach it within the driver’ s fie ld of
v ie w. For s ticker – s ee page 1 37 , F ig.
S14066.
166 Service, maintenanc e
Euro pean service schedule
(Opel GT - Z 20 NHH)
⊕Add it iona l o per at ions.
o Und er extreme o peratin g cond itions a nd if req uired by country-sp ecific co nditio ns, the in terva ls are red uced.
S ervice operations
by y ear 1)
km ( x 1000)1)
miles ( x 1000)1)
1)Wh ic h e v e r o cc u r s fi rs t.
1
30
202
60
403
90
604
120
805
150
1006
180
120
C ontrols , lighting , s igna lling equipme nt and airbags : v isual che ck
s tee ring lock and ignition lock: che ckxxxxxx
Re mote control batte ries: re place Eve ry 2 y ears
Windsc reen w ipers, windscreen washer system: check, correct x x x x x x
C oolant le ve l and antifree ze: check, correct
Hoses: check for tightness and secure seatingxxxxxx
Brak e fluid le vel: check, correct x x x
Batte ry te rmina ls: check for sec ure connections a nd battery ey e x x x x x x
Pollen filter: replacexxx
oM o re o f ten f o r wh en du s t, s an d o r po llen is in th e air A gree me nt w ith c us to mer
Air cleaner element: replace
Every 4 yea rs/60 000 k m/40 000 miles
⊕Spark plugs: replace Every 4 yea rs/60 000 k m/40 000 miles
Ribb ed V -be lt: vis ual check x x x
⊕Re place Every 10 years/150 000 km/100 000 miles
Powe r ste ering s ys tem: check for leaks . F luid le vel: check, correct x x x x x x
E ngine oil and oil filter: replac e
2)
2)En gine oil life monitor may indica te a n earlier engine o il an d oil filter ch ang e is neces sary. See p ag es 63, 69, 15 1.
xxxxxx
Parking b ra ke: check and adjus t
W hee l mounting and s us pe ns ion front and re ar, b rake line s, brake pres s ure
hoses, fuel lines a nd exhaust system: visual checkxxx
168 Service, maintenanc e
International service schedule
(Opel GT - Z 20 NHH)
⊕Add it iona l o per at ions.
o Und er extreme o peratin g cond itions a nd if req uired by country-sp ecific co nditio ns, the in terva ls are red uced.
S ervice operations
by year 1)
k m ( x 1000)1)
miles ( x 10 0 0)1)
1)Wh ic h e v e r o cc u r s fi rs t.
15
101
30
2045
302
60
4075
503
90
60
C ontrols , lighting , s igna lling equipme nt and airbags : v isual che ck
s tee ring lock and ignition lock: che ckxx xx xx
Re mote control batte ries: re place E very 2 ye ars
Windsc reen w ipers, windscreen washer system: check, correct x x x x x x
C oolant le ve l and antifree ze: check, correct
Hoses: check for tightness and secure seatingAnnually
Brak e fluid le vel: check, correct x x
Battery termina ls: check for sec ure connections a nd battery ey e Annually
Pollen filter: replace Eve ry 2 y ears /6 0 00 0 km/ 4 0 0 0 0 miles
oMore often for when dust, sand or pollen is in the air Annually/15 000 km/10 000 m iles
Air cleaner element: replace Every 4 years/60 000 km/40 000 miles
oMore often for when dust or sand is in the air Annually/15 000 km/10 000 m iles
⊕S park plugs : re place Eve ry 4 y ears /6 0 00 0 km/ 4 0 0 0 0 miles
R i bb ed V - be l t : vi s u a l ch eck Eve r y 2 y ea r s /6 0 00 0 km / 4 0 0 0 0 m i l es
⊕Re place Every 10 years/150 000 km /100 000 miles
Power steering system: check for leaks. Fluid level: check, correct Annually
E ngine oil and oil filter: replac e
2)
2)En gine oil life monitor may indica te a n earlier engine o il an d oil filter ch ang e is neces sary. See p ag es 63, 69, 15 1.
xx xx xx
Parking b ra ke: check and adjus t
W hee l mounting and s us pe ns ion front and re ar, b rake line s, brake pres s ure
hoses, fuel lines a nd exhaust system: visual checkEvery 2 years/60 000 km/40 000 miles