Volvo XC90 Owner's Manual page 160

LIGHTING
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Tunnel detection
The vehicle will detect if it enters a tunnel and
shift from daytime running lights to low beams.
Note that the left-hand steering wheel lever must
be in position for tunnel detection to work.
Related information
• Lighting control and panel (p. 154)
• Ignition modes (p. 392)
• Daytime running lights (p. 156)
• Replacing the low beam headlight bulbs
(p. 581)
When the low beams are on.
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158
Using high beam
High beam is operated via the left-hand steering
wheel lever. High beam is the vehicle's strongest
lighting and should be used when driving in dark
conditions, provided it does not blind other road
users, to improve visibility.
Steering wheel lever with lighting ring.
High beam flash
Move the steering wheel lever slightly back-
ward to the high beam flash mode. The high
beams will illuminate until the lever is
released.
High beams
The high beams can be activated when the
lighting ring is in mode
Activate high beams by moving the steering
wheel lever forward. Deactivate by moving
the steering wheel lever backward.
When the high beams are activated, the
symbol will be illuminated in the instrument panel.
Related information
• Lighting control and panel (p. 154)
• Active high beam (p. 159)
• Replacing the high beam headlight bulbs
(p. 582)
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or .