Volvo V90 Owner's Manual page 151

Dipped beam
When driving with the stalk switch's rotating ring
in the position, dipped beam is activated
automatically in weak daylight or darkness or
when the car's electrical system is in ignition
position II.
Stalk switch rotating ring in AUTO position.
With the stalk switch's rotating ring in
position, dipped beam is also activated automati-
cally if the rear fog lamp is activated.
With the stalk switch's rotating ring in the
position, dipped beam is always activated when
the car's electrical system is in ignition position II.
Tunnel detection
The car detects when it is driven into a tunnel
and switches from daytime running lights to
dipped beam.
Note that the rotating ring in the left-hand stalk
switch must be in mode for tunnel detec-
tion to work.
Related information
Lighting control (p. 146)
•
Ignition positions (p. 458)
•
Daytime running lights (p. 148)
•
Using main beam
Main beam is operated with the left-hand stalk
switch. Main beam is the car's strongest lighting
and should be used when driving in the dark for
better visibility, as long as it does not dazzle
other road users.
Steering wheel stalk switch with rotating ring.
Main beam flash
Move the stalk switch backwards slightly to
main beam flash position. Main beam comes
on until the stalk switch is released.
LIGHTING
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