Opel ASTRA Owner's Manual page 124

122 Lighting
High beam assist includes a special
motorway mode. When driving faster
than 115 km/h on motorways, the light
beam becomes smaller to avoid
glaring of oncoming traffic. When
following vehicles ahead or passing,
mirror glaring for these vehicles is
reduced.
Activation
Indicator lever with or without MENU
button
Activate high beam assist by pushing
the indicator lever twice. High beam is
switched on automatically at a speed
above 50 km/h. High beam is
switched off at a speed below
35 km/h, but high beam assist
remains active.
Indicator lever with f button
Activate high beam assist by pushing
f once. High beam is switched on
automatically at a speed above
50 km/h. High beam is switched off at
a speed below 35 km/h, but high
beam assist remains active.
The green control indicator f
illuminates continuously when the
high beam assist is activated, the blue
one 7 illuminates when high beam is
on.
Control indicator f 3 97, 7 3 97.
Pushing indicator lever once switches
on manual high beam without high
beam assist.