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INSTRUMENTS AND CONTROLS
* Option/accessory, for more information, see Introduction.
96
Related information
•
Active Xenon headlamps* (p. 98)
•
Active main beam* (p. 96)
•
Light switches (p. 92)
•
Headlamps - adjusting headlamp pattern
(p. 99)
•
Tunnel detection* (p. 95)
Active main beam*
Active main beam function detects the headlamp
beams from oncoming traffic or the rear lights of
vehicles in front, and switches the lighting from
main beam to dipped beam. The lighting returns
to main beam when the incoming light has stop-
ped.
Active main beam - AHB
Active main beam (Active High Beam - AHB) is a
function which uses a camera sensor at the top
edge of the windscreen to detect the headlamp
beams from oncoming traffic or the rear lights of
vehicles in front, and then switches from main
beam to dipped beam. The function can also take
streetlights into account.
Main beam is reactivated when the camera sen-
sor no longer sees any oncoming vehicles or
vehicles ahead.
Car with halogen headlamps
The lighting returns to main beam about a sec-
ond after the camera sensor no longer detects
the headlamp beams from oncoming traffic or the
rear lights from vehicles in front.
Car with active Xenon headlamps
If the active main beam has the on/off functional-
ity
22
then the lighting returns to main beam about
a second after the camera sensor no longer
detects the headlamp beams from oncoming
traffic or the rear lights from vehicles in front.
If the active main beam has adaptive functional-
ity
22
then, unlike what happens during conven-
tional dimming, the light beam continues to illu-
minate with main beam on both sides of oncom-
ing traffic or vehicles ahead - only the part of the
light beam that points directly to the vehicle is
dimmed.
Adaptive functionality: Dipped beam directly toward
oncoming vehicles, but continued main beam on both
sides of the vehicle.
The lighting returns to full main beam about a
second after the camera sensor no longer
detects the headlamp beams from oncoming
traffic or the rear lights from vehicles in front.
22
Depending on the car's equipment level.
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