BMW M4 COUPE Owner's Handbook Manual page 123

High-beam assistance
Principle
The high-beam assistance detects other road
users early on and activates or deactivates the
high beam depending on the traffic situation.
General
High-beam assistance ensures that the high-
beam headlights are switched on when the
traffic situation allows. The high-beam head‐
lights are not switched on by the system in the
low speed range.
The system responds to light from oncoming
traffic and traffic driving ahead of you, and to
adequate lighting, for example in built-up
areas.
The high-beam headlights can be switched on
and off at any time as usual.
If the vehicle is equipped with dazzle-free high-
beam assistance, the high-beam headlights
are not switched off for oncoming vehicles; in‐
stead, the areas of the beam that would other‐
wise dazzle the oncoming traffic are masked
off. In this case, the blue indicator lamp contin‐
ues to illuminate.
Activating/deactivating
Switch position, depending on the equipment:
,
Press the button on the turn indicator lever.
Online Edition for Part no. 01402981699 - VI/17
Lights
The indicator lamp in the instrument
cluster is illuminated if the low-beam
headlights switched on.
The system will switch automatically between
low-beam and high-beam headlights.
The blue indicator lamp in the instru‐
ment cluster illuminates if the high
beam is switched on by the system.
The high-beam assistance is deactivated by
manually switching the high beams on and off,
see page 91.
To reactivate high-beam assistance, press the
button on the turn indicator lever.
System limits
High-beam assistance cannot serve as a sub‐
stitute for the driver's personal judgement of
when to use the high-beam headlights. Thus,
activate the dipped headlights manually in sit‐
uations requiring such.
In the following situations, the system will not
operate or its operation will be impaired and
your intervention may be required:
▷ During extremely unfavourable weather
conditions such as fog or heavy precipita‐
tion.
▷ When detecting poorly-lit road users such
as pedestrians, cyclists or horseback riders
or carts, and when trains or ships are close
to the road, or when animals are crossing
the road.
▷ On narrow bends, on steep hilltops or in
depressions, when there is crossing traffic
or if the view of oncoming vehicles on a
motorway is obstructed.
▷ In poorly-lit towns and where there are very
reflective signs.
▷ When the windscreen in front of the rear-
view mirror is covered with condensation,
dirt, stickers, labels, etc.
Controls
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