Ahb (Automatic High Beam) - Lexus RCF 2022 Owner's Manual

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4-3. Operating the lights and wipers
AHB (Automatic High
Beam)
The Automatic High Beam uses a
camera sensor located behind the
upper portion of the windshield to
assess the brightness of the lights of
vehicles ahead, streetlights, etc.,
and automatically turns the high
beams on or off as necessary.
WARNING
Limitations of the Automatic High
■
Beam
Do not overly rely on the Automatic High
Beam. Always drive safely, taking care to
observe your surroundings and turning
the high beams on or off manually if nec-
essary.
To prevent incorrect operation of the
■
Automatic High Beam system
Do not overload the vehicle.
Activating the Automatic High
Beam
1
Press the Automatic High Beam
switch.
2
Turn the headlight switch to the
or position.
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 21
mph (34 km/h) or more.
• 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 17 mph (27 km/h).
• 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.
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
• 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 far-
away 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-