The Headlight Control Sensor
is located on the dash board in front of the driver's position
and turns your headlights on and off based on ambient light levels.
The sensor may not function properly if an object is placed on the sensor,
or anything that blocks the sensor is affixed to the windshield.
This sensor helps operate a number of automatic headlight functions.
Automatic light off system:
This system turns off headlights and tail lights automatically
when the driver's door is opened after switching the engine off.
Automatic headlight leveling system:
The level of the headlights is automatically adjusted
according to the loading condition of the vehicle
to ensure that the headlights do not interfere with other road users.
Light reminder buzzer:
A buzzer sounds when the engine switch
is turned to ACCESSORY mode or turned off
and the driver's door is opened while the lights are turned on.
If the automatic headlight leveling system indicator light flashes,
this may indicate a malfunction.
If this occurs, visit your Toyota dealer.
Automatic High Beam:
The Automatic High Beam uses an in-vehicle camera sensor
to assess the brightness of lights on the road,
and automatically turns the high beam on or off as necessary.
When activating Automatic High Beam, observe the following precautions:
Avoid touching the camera sensor.
Do not subject the rear-view mirror or the camera sensor to impacts.
Do not attempt to disassemble the camera sensor.
Do not spill liquids onto the rear-view mirror or the camera sensor.
Do not place any objects on the instrument panel.
Do not overload the vehicle.
Do not use anything but a genuine Toyota products when replacing the windshield.
Activating the Automatic High Beam system:
Put the headlight switch in the "AUTO" position and push the level away from you.
Press the Automatic High Beam button.
The high beam will be automatically turned on
when all of the following conditions are fulfilled:
Vehicle speed is above approximately 40 km/h.
The area ahead of the vehicle must be dark.
There are no vehicles ahead with headlights or tail lights turned on.
If the area ahead of the vehicle is not dark
or there are many streetlights on the road ahead,
the high beam will be automatically turned off.
The high beam may be turned off
if a vehicle ahead that is using fog lights
without using the headlights is detected.
The high beam may not be automatically turned off in the following situations:
When oncoming vehicles suddenly appear from a curve.
When the vehicle is cut in front of by another vehicle.
When vehicles ahead are hidden from sight
due to repeated curves, road dividers or roadside trees etc.
When vehicles ahead have no lights.
In some situations, the sensor may not be able
to accurately detect surrounding brightness levels,
this may cause the high beams to be unnecessarily turned on
or cause the low beams to remain on even though high beams are necessary.
In these cases, manually switch between the high and low beams.
Examples of such situations:
Bad weather.
The windshield is cracked or obscured by fog or mist.
The inside rear view mirror is dirty.
The camera sensor temperature is extremely high.
Surrounding brightness levels are equal to those of vehicle lights.
Vehicles ahead have headlights that are either switched off.
Driving through an area of intermittently changing brightness and darkness.
When driving on a winding road
There is a highly reflective object ahead of the vehicle.
The vehicle is tilting due to overloading.
The high beam and low beam are repeatedly being switched between
in an abnormal manner.
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