Lexus RC 350 2019 Owner's Manual page 182

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180
4-3. Operating the lights and wipers
2
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will
come on when the system is operating.
Conditions to turn the high beams on/off
automatically
When all of the following conditions are
met, the high beams will be turned on
automatically (after approximately 1 sec-
ond):
• The vehicle speed is approximately 30 -
40 km/h (19 - 25 mph)
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with head-
lights or tail lights turned on.
• There are few streetlights on the road
ahead.
If any of the following conditions is met,
the high beams will turn off automatically:
• The vehicle speed is below approxi-
mately 25 - 30 km/h (16 - 19 mph)
• The area ahead of the vehicle is not dark.
• Vehicles ahead have their headlights or
tail lights turned on.
• There are many streetlights on the road
ahead.
*
: The vehicle speed at which the high
beams are automatically turned on/off
may vary depending on the country for
which the vehicle is approved.
Camera sensor detection information
The high beams may not be automatically
turned off in the following situations:
• When a vehicle suddenly appears from
around a curve
RC350-RC300_OM_General_OM24884E
• When the vehicle is cut in front of by
another vehicle
• When vehicles ahead cannot be
detected due to repeated curves, road
dividers or roadside trees
• When vehicles ahead appear in a fara-
way lane on a wide road
• When the lights of vehicles ahead are not
on
The high beams may be turned off if a
vehicle ahead that is using fog lights with-
out its headlights turned on is detected.
House lights, street lights, traffic signals,
and illuminated billboards or signs and
other reflective objects may cause the
high beams to change to the low beams,
or the low beams to remain on.
The following factors may affect the
amount of time taken for the high beams
to turn on or off:
• The brightness of the headlights, fog
lights, and tail lights of vehicles ahead
• The movement and direction of vehicles
ahead
• When a vehicle ahead only has opera-
*
or more.
tional lights on one side
• When a vehicle ahead is a two-wheeled
vehicle
• The condition of the road (gradient,
curve, condition of the road surface, etc.)
• The number of passengers and amount of
luggage in the vehicle
The high beams may turn on or off unex-
pectedly.
*
.
Bicycles or similar vehicles may not be
detected.
In the following situations the system may
not be able to correctly detect the sur-
rounding brightness level. This may cause
the low beams to remain on or the high
beams to flash or dazzle pedestrians or
vehicles ahead. In such a case, it is neces-
sary to manually switch between the high
and low beams.
• When driving in inclement weather
(heavy rain, snow, fog, sandstorms, etc.)
• When the windshield is obscured by fog,
mist, ice, dirt, etc.
• When the windshield is cracked or dam-
aged

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