Opel ASTRA Owner's Manual page 187

Select Settings X by pressing
MENU and select Traffic sign
detection via the adjuster wheel on
the turn signal lever 3 93.
When another page on the Driver
Information Centre menu was
selected and then Traffic sign
detection page is chosen again, the
last recognised traffic sign will be
displayed.
Alert function
Once activated, speed limit and no
passing signs are displayed as pop-
up alerts in the Driver Information
Centre.
Driving and operating
The alert function can be activated or
deactivated in the Settings menu of
the traffic sign assistant page by
pressing SET/CLR on the turn signal
lever.
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