light Lexus IS250 2014 Map database information and updates / LEXUS 2014 IS250,IS350 (OM53758U) Repair Manual

1754-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53758U)
■Light reminder buzzer
A buzzer sounds when the engine switch is turned off or turned to ACCESSORY mode
and the driver’s door is opened while the lights are turned on.
■Operation guide display (vehicles with rain-sensing windshield wipers only)
When the headlight switch is operated to and from the “AUTO” position, the current sta-
tus is displayed on the meters for a few seconds to show that AUTO mode is activated/
deactivated. (P. 8 9 )
■Customization
Settings (e.g. light sensor se nsitivity) can be changed.
(Customizable features: P. 5 2 5 )
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than ne cessary when the engine is not running.

1764-3. Operating the lights and wipers
IS350/250_U (OM53758U)
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.
Automatic High Beam

: If equipped
The Automatic High Beam uses an in-v ehicle camera sensor to assess the
brightness of streetlights, the lights of oncoming and preceding vehicles, etc.,
and automatically turns the high beam on or off as necessary.
Activating the Automatic High Beam system
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2

1774-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53758U)
When all of the following conditions are met, the high beam will be automatically
turned on (after approximately 1 second):
●Vehicle speed is above approximately 21 mph (34 km/h).
●The area ahead of the vehicle is dark.
●There are no oncoming or preceding vehicles with headlights or tail lights
turned on.
●There are few streetlights on the road ahead.
If any of the following conditions are met, the high beam will be automatically
turned off:
●Vehicle speed drops below approximately 17 mph (27 km/h).
●The area ahead of the vehicle is not dark.
●Oncoming or preceding vehicles have headlights or tail lights turned on.
●There are many streetlights on the road ahead.
■Switching to low beam
Pull the lever to the original position.
The Automatic High Beam indicator
will turn off.
Push the lever away from you to acti-
vate the Automatic High Beam sys-
tem again.
■Switching to high beam
Press the Automatic High Beam
switch.
The Automatic High Beam indicator
will turn off and the high beam indi-
cator will turn on.
Press the switch to activate the Auto-
matic High Beam system again.
High beam automatic turning on or off conditions
Turning the high beam on/off manually

1784-3. Operating the lights and wipers
IS350/250_U (OM53758U)
■The Automatic High Beam can be operated when
The engine switch is in IGNITION ON mode.
■Camera sensor dete ction information
●High beam may not be automatically tu rned off in the following situations:
• When oncoming vehicles sudd enly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When oncoming or preceding vehicles are hidden from sight due to repeated
curves, road dividers or roadside trees
●High beam may be turned off if an oncoming vehicle that is using fog lights without
using the headlights is detected.
●House lights, street lights, red traffic signals, and illuminated billboards or signs may
cause the high beam to turn off.
●The following factors may affect the amount of time taken to turn high beam on or off:
• The brightness of headlights, fog lights, and tail lights of oncoming and preceding
vehicles
• The movement and direction of oncoming and preceding vehicles
• When an oncoming or preceding vehicle only has operational lights on one side
• When an oncoming or preceding vehicle 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
●High beam may be turned on or off when unexpected by the driver.
●Small vehicles, such as bicy cles, may not be detected.
●In the situations below, the system may not be able to correctly detect the surrounding
brightness levels, and may flash or expose nearby pedestrians to the high beam. There-
fore, you should consider turning the high be ams on or off manually rather than relying
on the Automatic High Beam system.
• 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.
• Surrounding brightness levels are equal to those of headlights, tail lights or fog lights.
• Vehicles ahead have headlights or tail lights that are either switched off, dirty, chang-
ing color, or have improperly adjusted aim.
• When driving through an area of intermit tently 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 repeat edly 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 vehicle’s headlights are damaged or dirty.
• The vehicle is listing or titling, due to a flat tire, a trailer being towed etc.
• The driver believes that the high beam may be causing problems or distress to other
drivers or pedestrians nearby.

1794-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53758U)
■Temporarily lowering sensor sensitivity
The sensitivity of the sensor can be temporarily lowered.Turn the engine switch off while the following conditions are met.
• The headlight switch is in or .
• The headlight switch lever is in high beam position.
• Automatic High Beam switch is on. Turn the engine switch to IGNITION ON mode.
Within 5 seconds after , repeat pulling th e headlight switch lever to the original
position then pushing it to the high beam position quickly 9 times, then leave the
lever in high beam position.
Automatic High Beam (headlights) may turn on even the vehicle is stopped.
CAUTION
■Limitations of the Automatic High Beam
Do not rely on the Automatic High Beam. Always drive safely, taking care to observe
your surroundings and turning high beam on or off manually if necessary.
1
2
32

1804-3. Operating the lights and wipers
IS350/250_U (OM53758U)
NOTICE
■Notes when using the Automatic High Beam system
●Do not touch the camera sensor.
●Do not subject the camera sensor to a strong impact.
●Do not disassemble the camera sensor.
●Do not spill liquid onto the camera sensor.
●Do not apply window tinting or stickers to the camera sensor or the area of wind-
shield near the camera sensor.
●Do not place items on the dashboard. There is a possibility that the camera sensor will
mistake items reflected in the windshield for streetlights, the headlights of other vehi-
cles, etc.
●Do not install a parking tag or any other accessories near or around the camera sen-
sor.
●Do not overload the vehicle.
●Do not modify the vehicle.
●Do not replace windshield with non-genuine windshield.
Contact your Lexus dealer.
Observe the following to ensure that the Auto-
matic High Beam functions correctly.

1814-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53758U)
(U.S.A.) or (Canada) Turns the fog lights off
Turns the fog lights on
■Fog lights can be used when
The headlights are on in low beam.
■Operation guide display (vehicles with rain-sensing windshield wipers only)
When the fog light switch is operated, the curr ent status is displayed on the meters for a
few seconds. ( P. 8 9 )
Fog light switch

: If equipped
The fog lights secure excellent visibility in difficult driving conditions, such as
in rain and fog.
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2

1824-3. Operating the lights and wipers
IS350/250_U (OM53758U)
Operate the lever as follows to operate the wipers. The lever will return to its
original position after operation.
Intermittent windshield wipers with interval adjuster (U.S.A.) or (Canada)
Up 2 levels
Up 1 level
(U.S.A.) or (Canada) Down 1 level
(U.S.A.) or (Canada)
Down 2 levels
Windshield wipers and washer
Operating the wiper lever
1
2
3
4
or or or
OffTe m p o r a r y operationTe m p o r a r y operationIntermittent operationHigh speedoperation
Intermittent
operationOffOffLow speedoperationHigh speed operation
Low speed operationOffIntermittent operationHigh speedoperationHigh speedoperation
High speed operationOffLow speedoperationNo changeNo change
Status
before
operation
Operation

1834-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53758U)
Wiper intervals can be adjusted when intermittent operation is selected.Increases the intermittent windshield
wiper frequency
Decreases the intermittent wind-
shield wiper frequency
Washer/wiper dual operation
The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners: When
the headlights are on and the lever is
pulled and held, the headlight cleaners
will operate once. After this, the head-
light cleaners will operate every 5th
time the lever is pulled.
5
6
7

1844-3. Operating the lights and wipers
IS350/250_U (OM53758U)
Rain-sensing windshield wipers (U.S.A.) or (Canada)
Up 2 levels
Up 1 level
(U.S.A.) or (Canada) Down 1 level
(U.S.A.) or (Canada)
Down 2 levels
AUTO mode on/off switch
With AUTO mode selected, the wipers will operate automatically when the sensor
detects falling rain. The system automatically adjusts wiper timing in accordance with
rain volume and vehicle speed.
The AUTO mode indicator will turn on when AUTO mode is selected.
*: After temporary operation, the mode will return to AUTO mode.
AUTO mode
indicator
1
2
3
4
5
or or
or
OffTe m p o r a r y operationTe m p o r a r y operationLow speedoperationHigh speed operation
Low speed operationOffOffHigh speed operationHigh speed operation
High speed operationOffLow speedoperationNo changeNo change
AUTO
modeIntermittent operation
Off
Te m p o r a r yoperation*Low speed operationHigh speed operation
ContinuouslyNo change
Operation
Status
before
operation