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3-1. Driving when the surrounding area is dark
2 Turn the headlight switch to the
“AUTO” or position.
When the headlight switch lever is in
the low beam position, the AHB sys-
tem will be enabled and the AHB indi-
cator will illuminate.
■ Automatic operating conditions of the
high beams
● When all of the following conditions are
met, the high beams will illuminate auto-
matically:
• 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 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 approxi-
mately 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 vehi-
cle
• When another vehicle crosses in front of
the vehicle
• When vehicles ahead are repeatedly
detected and then hidden due to
repeated curves, road dividers or road-
side 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 headlights
• Situations in which the sensors may not
operate properly: P.273
● The headlights may change to the low
beams if a vehicle ahead that is using fog
lights without its headlights 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 timing at
which the headlights change to the low
beams:
• The brightness of lights of vehicles ahead
• The movement and direction of vehicles
ahead
• The distance between the vehicle and a
vehicle ahead
• When a vehicle ahead only has lights illu-
minated 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
● 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 system may
not be able to correctly detect the bright-
ness of the surroundings. 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 change between the
high beams and low beams.
• When there are lights similar to head-
lights or tail lights in the surrounding area
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