Protecting Electronic Components; Laying The Vehicle Up For A Long Period Of Time - Vauxhall 2009 Tigra Owner's Manual

166 Service and Maintenance
Laying up the vehicle for more than
4 weeks can lead to battery discharge.
Disconnect the negative terminal of the
vehicle battery.
Ensure the ignition is switched off before
connecting or disconnecting the vehicle
battery.
Note
The Vauxhall alarm system 3 siren must
be deactivated as follows: switch the
ignition on then off, disconnect the
vehicle's battery within 15 seconds.

Protecting electronic components

In order to prevent faults in electronic
components in the electrical system, never
connect or disconnect battery with engine
running or ignition switched on. Never start
engine with battery disconnected, e.g.
when starting using jump leads.
To avoid damaging the vehicle, do not
make any modifications to the electrical
system, e.g. connecting additional
consumers or tampering with electronic
control units (chip tuning).
9 Warning
Electronic ignition systems generate very
high voltages. Do not touch the ignition
system; high voltage can be fatal.
Laying the vehicle up for a long
period of time
If the vehicle is to be laid up for several
months, the following work should be
undertaken to prevent damage.
z Wash and wax the vehicle 3 150.
z Have the wax in the engine
compartment and underbody checked.
z Clean and preserve rubber seals.
z Change engine oil.
z Check anti-freeze and corrosion
protection 3 162.
z Check coolant level, if necessary top up
with anti-freeze3 163.
z Drain the windscreen washer system.
z Increase tyre pressure to the value
specified for full load 3 122, 3 176.