2019 LEXUS GS300H sensor

1443-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
■Switching the door unlock function (vehicles with entry function)
It is possible to set which doors the entry fu nction unlocks using the wireless remote con- trol.
Turn the power switch off.
Cancel the intrusion sensor and tilt sensor of the alarm system to prevent unintended triggering of the alarm during the setting change. (if equipped) ( P. 94)
When the indicator light on the key su rface is not on, press and hold or
for approximately 5 seconds wh ile pressing and holding .
The setting changes each time an operatio n is performed, as shown below. (When changing the setting continuously, release the buttons, wait for at least 5 seconds, and
repeat step .)
For vehicles with alarm: To prevent unintended triggering of the alarm, unlock the doors using the wireless remote control and open and close a door once after the settings have
been changed. (If a door is not opened within 30 seconds after is pressed, the
doors will be locked again and the alarm will automatically be set.)
In case that the alarm is triggered, immediately stop the alarm. ( P. 92)
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Multi-information displayUnlocking functionBeep
(Left-hand drive vehicles)
(Right-hand drive vehicles)
Holding the driver’s door handleunlocks only the driver’s door.
Exterior: Beeps 3 timesInterior: Pings onceHolding a passenger’s door han-dle unlocks all the doors.
Holding a door handle unlocks
all the doors.
Exterior: Beeps twice
Interior: Pings once

1563-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
■Note for the entry function (if equipped)
●Even when the electronic key is within the effective range (detection areas), the system may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near the ground, or in a high place when the doors are locked or unlocked.• The electronic key is near the ground or in a high place, or too close to the rear
bumper center when the trunk is opened. • The electronic key is on the instrument pa nel, rear package tray or floor, or in the door pockets or glove box when the hybrid system is started or power switch modes
are changed.
●Do not leave the electronic key on top of th e instrument panel or near the door pockets
when exiting the vehicle. Depending on the radio wave reception conditions, it may be detected by the antenna outside the cabin and the door will become lockable from theoutside, possibly trapping the electronic key inside the vehicle.
●As long as the electronic key is within the effective range, the doors may be locked orunlocked by anyone. However, only the doors detecting the electronic key can be usedto unlock the vehicle.
●The doors may unlock or lock if a large amou nt of water splashes on the door handle, such as in the rain or in a car wash when the electronic key is within the effective range.(The doors will automatically be locked after approximately 30 seconds if the doors
are not opened and closed.)
●If the wireless remote control is used to lock the doors when the electronic key is near the vehicle, there is a possibility that the d oor may not be unlocked by the entry func-
tion. (Use the wireless remote control to unlock the doors.)
●Touching the door lock sensor while wearin g gloves may delay or prevent lock opera- tion.
●If the door handle becomes wet while the electronic key is within the effective range,the door may lock and unlock repeatedly. In that case, follow the following correction
procedures to wash the vehicle:
• Place the electronic key in a location 2 m (6 ft.) or more away from the vehicle. (Take care to ensure that the key is not stolen.)
• Set the electronic key to battery-saving mode to disable the smart entry & start sys- tem. ( P. 155)
●If the electronic key is inside the vehicle and a door handle becomes wet during a car wash, a message may be shown on the mult i-information display and a buzzer will sound outside the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc. Clean the lock sensor and attempt to operate it again, or use the lock sensor on thelower part of the door handle.
●A sudden approach to the effective range or door handle may prevent the doors frombeing unlocked. In this case, return the door handle to the original position and check that the doors unlock before pulling the door handle again.
●Gripping the door handle when wearing a glove may not unlock the door.
●If there is another electronic key in the de tection area, it may take slightly longer to unlock the doors after the door handle is gripped.
●Fingernails may scrape against the door duri ng operation of the door handle. Be care- ful not to injure fingernails or damage the surface of the door.

1893-4. Adjusting the steering wheel and mirrors
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Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
■To prevent sensor error
To ensure that the sensors operate properly, do not touch or cover them.
WARNING
Do not adjust the position of the mirror while driving.Doing so may lead to mishandling of the vehicle and cause an accident, resulting indeath or serious injury.

2404-3. Operating the lights and wipers
GS450h_300h_OM_OM30F92E_(EE)
■Daytime running light system
To make your vehicle more visible to other drivers during daytime driving, the daytime running lights turn on automatically whenever the hybrid system is started and the park- ing brake is released with the headlight sw itch is in the “AUTO” position. (Illuminate
brighter than the front position lights.) Daytime running lights are not designed for use at night.
■Headlight control sensor
■Automatic light off system
●When the light switch is in : The headlig hts turn off automatically if the power
switch is turned to ACCESSORY mode or turned off.
●When the light switch is in : The headlights and all lights turn off automatically if the
power switch is turned to ACCESSORY mode or turned off.
To turn the lights on again, turn the power switch to ON mode, or turn the light switch off
once and then back to or .
■Light reminder buzzer
A buzzer sounds when the power switch is turned off or turned to ACCESSORY mode and the driver’s door is opened while the lights are turned on.
■Automatic headlight leveling system
The level of the headlights is automatically adjusted according to the number of passen- gers and the loading condition of the vehicle to ensure that the headlights do not inter-
fere with other road users.
■If the “AFS OFF” indicator flashes
It may indicate a malfunction in the system. Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
■Customization
Settings (e.g. light sensor se nsitivity) can be changed.
(Customizable features: P. 568)
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. Doing so interferes with the sensor detectingthe level of ambient light and may cause the
automatic headlight system to malfunction.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than ne cessary when the hybrid system is off.

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4-3. Operating the lights and wipers
Driving
GS450h_300h_OM_OM30F92E_(EE)
AHS (Adaptive High-beam System)
●Adjusts the brightness and illuminated area of the high beams according to
the vehicle speed.
●Adjusts the intensity of the high beams, while driving on a curve, so that the
area in the direction that the vehicle is turning will be illuminated more brightly
than other areas.
●Operates the variable high beams
so that the area around vehicles
ahead is partially not illuminated
while all other areas continue to be
illuminated with the high beams.
The variable high beams help optimize forward visibility while reducing the daz-zling effect on the drivers of vehicles
ahead.
●Adjusts the distance that the low beams are projected according to the dis-
tance to a preceding vehicle.
: If equipped
The Adaptive High-beam System uses a camera sensor located behind the
upper portion of the windshield to assess the brightness of the lights of vehi-
cles ahead, streetlights, etc., and au tomatically controls the headlight light
distribution as necessary.
WARNING
■Limitations of the Adaptive High-beam System
Do not rely on the Adaptive High-beam System. Always drive safely, taking care to
observe your surroundings and turning the high beam on or off manually if necessary.
■To prevent incorrect operation of the Adaptive High-beam system
Do not overload the vehicle.

2444-3. Operating the lights and wipers
GS450h_300h_OM_OM30F92E_(EE)
■Conditions in which the light distribution control of the headlights changes automati-
cally
●When all of the following conditions are met, the high beams will be turned on automat- ically and the system will operate:
• The vehicle speed is approximately 60 km/h (37 mph) or more.*
*: The area in the direction that the vehicl e is turning will be illuminated more brightly
than other areas while driving on a curve.
●When all of the following conditions are met, the variable high beams will turn on and the distance that the low be ams are projected will be adjusted automatically, depending
on the location of vehicles ahead:
• The vehicle speed is approximately 60 km/h (37 mph) or more. • The area ahead of the vehicle is dark.
• There are vehicles ahead with headlights or tail lights turned on.
●If any of the following conditions is met, the high beams or variable high beams will be
changed to the low beams automatically:
• The vehicle speed is below approximately 60 km/h (37 mph). • The area ahead of the vehicle is not dark.
• There are many vehicles ahead. • Vehicles ahead are moving quickly and the high beams may blind the drivers of theother vehicles.
■Camera sensor detection information
●The high beams may not be automatically changed to the variable high beams in thefollowing situations:
• When vehicles ahead 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 beams may be changed to the variable high beams if a vehicle ahead that isusing 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 variable high beams, cause the high beams not tochange to the variable high beams, or change the area that is not illuminated.
●The following factors may affect the amount of time taken to turn the high beam on or off, or the speed by which the areas not illuminated change:
• The brightness of headlights, fog light s, 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 light distribution control of the headlights may change unexpectedly.
●Bicycles or similar objects may not be detected.

2454-3. Operating the lights and wipers
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Driving
GS450h_300h_OM_OM30F92E_(EE)
●In the situations shown below, the system may not be able to accurately detect sur- rounding brightness levels. This may cause the low beams to remain on or the highbeams to cause problems for pedestrians, vehicles ahead or other parties. In these
cases, manually switch between the high and low beams.
• In bad weather (rain, snow, fog, sandstorms etc.) • The windshield is obscured by fog, mist, ice, dirt etc.
• The windshield is cracked or damaged. • The camera sensor is deformed or dirty.• The camera sensor temperature is extremely high.
• Surrounding brightness levels are equal to th ose of headlights, tail lights or fog lights. • Vehicles ahead have headlights that are either switched off, dirty, are changing color,or are not aimed properly.
• The vehicle is hit by water, snow, dust, etc. from a preceding vehicle. • When driving through an area of interm ittently changing brightness and darkness. • When frequently and repeatedly driving ascending/descending roads, or roads with
rough, bumpy or uneven surfaces (such as stone-paved roads, gravel tracks etc.). • When frequently and repeatedly taking curves or driving on a winding road.• There is a highly reflective object ahead of the vehicle, such as a sign or a mirror.
• The back of a vehicle ahead is highly reflective, such as a container on a truck. • The vehicle’s headlights are damaged or dirty.• The vehicle is listing or tilting, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeated ly being switched between in an abnor- mal manner.• The driver believes that the high beam may be causing problems or distress to other
drivers or pedestrians nearby.
■Warning message
Warning messages are used to indicate a syst em malfunction or to inform the driver of
the need for caution. ( P. 466)
■Customization
Some functions can be customized. ( P. 561)

2464-3. Operating the lights and wipers
GS450h_300h_OM_OM30F92E_(EE)
Automatic High Beam
Push the lever away from you with
the headlight switch in the or
position.
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will come on when the headlights are turned
on automatically to indicate that the sys- tem is active.
: If equipped
The Automatic High Beam uses an in-vehicle camera sensor to assess the
brightness of streetlights, the lights of vehicles ahead, etc., and automatically
turns the high beam on or off as necessary.
WARNING
■Limitations of the Automatic High Beam
Do not rely on the Automatic High Beam. Al ways drive safely, taking care to observe
your surroundings and turning the high beam on or off manually if necessary.
■To prevent incorrect operation of the Automatic High Beam system
Do not overload the vehicle.
Activating the Automatic High Beam system
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