Vauxhall VECTRA Owner's Manual page 273

Laying up the vehicle for more than
4 weeks can lead to ba ttery d ischarge,
which may reduce the service life of the
battery. Disconnect battery from on-board
power supply by detaching negative
term inal (anti-theft alarm system 3 is then
disabled ).
Do not connect battery with ignition
switched on. Then perform the following
opera tions:
z Remove radio b lock 3, see rad io
op erating instructions.
z Set da te and time in information d isplay
– see page 42.
z Activ ate w indow and sun roof
elec tronics 3, see p ages 149, 152.
In order to prev ent the b attery from
discharging , som e c onsumers suc h as the
courtesy light automatically switch off
after approx. 20 minutes.
Protecting electronic com pone nts
In order to prevent faults in electronic
components in the electrica l sy stem, nev er
connect or disconnect battery with engine
running or ignition switched on. Never start
engine w ith b attery disconnected, e.g.
when starting using jump leads.
The battery m ust b e disconnected from the
vehicle b efore b eing charged: first
disconnect the neg ativ e cable and then the
positive cable. The polarity of the battery ,
i.e. the connections for the positive and
neg ative cables, m ust not be
interchanged. When reconnecting , first
connect the positiv e cab le and then the
neg ative cable.
To av oid damaging the vehic le, d o not
ma ke a ny modifications to the electrical
system, e. g. connecting ad ditional
consum ers or tampering with electronic
control units (chip tuning).
Electronic ignition system s generate very
hig h voltages. Do not touch the ignition
sy stem; high voltage can b e fatal.
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