Lexus GX 460 2020 Owner's Manual page 206

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High beam automatic turning on or off conditions
When all of the following conditions are fulfilled, the high beam will be automatically
turned on (after approximately 1 second):
• Vehicle speed is above approximately 30-40 km/h (19-25 mph)
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.
If any of the following conditions are fulfilled, the high beam will be automatically turned
off:
• Vehicle speed drops below approximately 25-30 km/h (16-19 mph)
• The area ahead of the vehicle is not dark.
• Vehicles ahead have 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 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
• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead have no lights
The high beam may be turned off if a vehicle ahead that is using fog lights without using
the headlights is detected.
House lights, street lights, traffic signals, and illuminated billboards or signs may cause
the high beam to switch to the low beams, or the low beams to remain on.
The following factors may affect the amount of time taken to turn the high beam on or
off:
• The brightness of headlights, fog lights, and tail lights of vehicles ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational 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
The high beam may be turned on or off when the driver does not expect it.
Bicycles or similar objects may not be detected.
GX460_OM_OM60R28E_(GE)
4-3. Operating the lights and wipers
205
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