Toyota Grand Highlander 2024 Manual page 221

2
Turn the headlight switch to
the or position.
When the headlight switch lever is
in the low beam position, the AHB
system will be enabled and the
AHB indicator will illuminate.
■
Automatic operating condi-
tions of the high beams
●
When all of the following condi-
tions are met, the high beams will
illuminate automatically:
• The vehicle speed is approxi-
mately 21 mph (34 km/h) or more.
• The area ahead of the vehicle is
dark.
• There are no vehicles ahead with
lights on.
• There are few streetlights or other
lights on the road ahead.
●
If any of the following conditions
are met, the headlights will
change to the low beams:
• Vehicle speed drops below
approximately 17 mph (27 km/h).
• The area ahead of the vehicle is
not dark.
• There is a vehicle ahead with
lights on.
• There are many streetlights or
other lights on the road ahead.
■
Front camera detection
●
In the following situations, the high
beams may not be automatically
changed to the low beams:
• When a vehicle cuts in front of
your vehicle
• When another vehicle crosses in
front of the vehicle
4-3. Operating the lights and wipers
• When vehicles ahead are repeat-
edly detected and then hidden
due to repeated curves, road
dividers or roadside trees
• When a vehicle ahead
approaches from a far lane
• When a vehicle ahead is far away
• When a vehicle ahead has no
lights
• When the lights of a vehicle ahead
are dim
• When a vehicle ahead is reflecting
strong light, such as own head-
lights
• Situations in which the sensors
may not operate properly: P.240
●
The headlights may change to the
low beams if a vehicle ahead that
is using fog lights without its head-
lights turned on is detected.
●
House lights, street lights, traffic
signals, and illuminated billboards
or signs may cause the high
beams to change to the low
beams, or the low beams to
remain on.
●
The following may change the tim-
ing at which the headlights
change to the low beams:
• The brightness of lights of vehi-
cles ahead
• The movement and direction of
vehicles ahead
• The distance between the vehicle
and a vehicle ahead
• When a vehicle ahead only has
lights illuminated on one side
• When a vehicle ahead is a
two-wheeled vehicle
• The condition of the road (gradi-
ent, curve, condition of the road
surface, etc.)
• The number of passengers and
amount of luggage
●
The headlights may change
between the high beams and low
beams unexpectedly.
●
Bicycles and other small vehicles
may not be detected.
●
In the following situations, the sys-
tem may not be able to correctly
detect the brightness of the sur-
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