Opel CASCADA Owner's Manual page 180

178 Driving and operating
Select Settings X by pressing
MENU and select Traffic sign
detection entry via the adjuster wheel
on the turn signal lever 3 98.
When another function in the Driver
Information Centre menu was
selected 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.
The alert function can be activated or
deactivated in the setting menu of the
traffic sign assistant page by pressing
SET/CLR on the turn signal lever.