Becker TRAFFIC STAR NAVIGATION Operating Manual page 56

>>> NOTICE
> ZH
> EN
> Completely discharge the battery.
> Press the battery cover on the underside of the unit
> Lift the battery
> Remove the battery
Note:
Do not reconnect a unit that you have opened to the power supply.
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by the tab .
2 3
.
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3
lightly and push the battery cover in the direction of the arrow.
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