Opel ASTRA K 2015 Owner's Manual page 210

208 Driving and operating
On Uplevel display, choose Info
Menu via right steering wheel buttons
and press P or Q to select traffic
sign assistant page 3 115.
When another page on the Driver
Information Centre menu was
selected and then traffic sign
assistant page is chosen again, the
last recognised traffic sign will be
displayed.
Alert function
The alert function can be activated or
deactivated in the setting menu of the
traffic sign assistant page.
Once activated and when the traffic
sign detection page is currently not
displayed, newly detected speed limit
and no passing signs are displayed
as pop-up alerts in the Driver
Information Centre.
On Midlevel Display, when traffic sign
assistant page is displayed, press
SET/CLR on the indicator lever.
Select Alerts ON or Alerts OFF by
turning the adjuster wheel and press
SET/CLR.
On Uplevel Display, when traffic sign
assistant page is displayed, press q
on the steering wheel controls.