Opel Astra Infotainment System User Manual page 19

Setting a value
Turn the multifunction knob to change
the current value of the setting.
Press the multifunction knob to
confirm the set value.
Switching a function on or off
Turn the multifunction knob to mark
the function to be switched on or off.
Press the multifunction knob to switch
between the settings On and Off.
Introduction
Entering a character sequence
For the input of character sequences,
e.g. telephone numbers:
Turn the multifunction knob to select
the desired character.
Press the multifunction knob to
confirm the selected character.
Using the BACK button the last
character in the character sequence
can be deleted.
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