Dräger Interlock 5000/7000 25
Installation
3.4.2 Disconnecting the vehicle battery
Disconnect battery earth lead before further work.
NOTICE
Some vehicles have two ignition leads where one is without
voltage in key position "START". Always use the ignition lead
that is under voltage in key positions "START" and "IGNITION".
NOTICE
Disconnecting the vehicle battery may erase battery-
dependent instrument settings (e. g. the theft code for
the radio or the preset stations). On some vehicles,
disconnecting the vehicle battery may turn the airbag light on,
which can then only be turned off by the vehicle manufacturer.
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