low beam Lexus IS250 2015 Headlight switch / LEXUS 2015 IS250/350 OWNERS MANUAL (OM53C50U)

782. Instrument cluster
IS350/250_U (OM53C50U)
*1: These lights turn on when the engine switch is turned to IGNITION ON mode to indicate that a system check is being perfor med. They will turn off after the engine is
on, or after a few seconds. There may be a ma lfunction in a system if the lights do not
come on, or turn off. Have the vehi cle inspected by your Lexus dealer.
*2: The light flashes to indicate a malfunction.
The indicators inform the driver of the operating state of the vehicle’s various sys-
tems.
Indicators
Turn signal indicator
( P. 1 7 0 )
(if equipped)
LDA (Lane Departure
Alert) indicator ( P. 2 0 8 )
(U.S.A.)
Headlight indicator
( P. 1 7 3 )

(if equipped)
Intuitive parking assist indi-
cator ( P. 2 1 4 )
(Canada)
Tail light indicator
( P. 1 7 3 ) *1, 2 Slip indicator ( P. 2 4 1 )
Headlight high beam indi-
cator ( P. 1 74 )
*1VSC OFF indicator
( P. 2 4 2 )
(if equipped)
Automatic High Beam indi-
cator ( P. 1 76 )*1, 3
(if equipped)
Pre-collision system warn-
ing light
( P. 2 4 7 )
(if equipped)
Fog light indicator
( P. 1 8 1 )*4, 5
(if equipped)
BSM (Blind Spot Monitor)
outside rear view mirror
indicators ( P. 252)
Cruise control indicator
(  P. 192, 196)
*6Security indicator
( P. 6 9 , 7 1 )
(if equipped)
Dynamic radar cruise con-
trol indicator ( P. 1 9 6 )*7Low outside temperature
indicator ( P. 8 1 )
Cruise control “SET” indica-
tor ( P. 192, 196)
*1Eco Driving Indicator Light
( P. 9 0 )

1774-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53C50U)
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 (OM53C50U)
■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 (OM53C50U)
■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 (OM53C50U)
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 (OM53C50U)
(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.
1
2

4788-2. Steps to take in an emergency
IS350/250_U (OM53C50U)
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the engine switch off, and the driver’s
door open)A buzzer also sounds.
 Close all the windows and the moon roof.
Indicates a malfunction in the brake override system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that engine oil level is low
A buzzer also sounds.
 Check the level of engine oil, and add if necessary.
Indicates a malfunction in:
• The automatic headlig ht leveling system; or
• The Automatic High Beam system (if equipped)
• The LED headlight system (if equipped)
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that the accelerator and brake pedal are being
depressed simultaneously
Release the accelerator or brake pedal.
Indicates that the tire in flation pressure is low
 Check the tire inflation pressure, and adjust to the
appropriate level.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)

4808-2. Steps to take in an emergency
IS350/250_U (OM53C50U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle.
(U.S.A. only)
Indicates that all maintenance is required to correspond
to the driven distance on the maintenance schedule*.
Comes on approximately 5000 miles (8000 km) after
the maintenance data has been reset.
(The indicator will not work properly unless the mainte-
nance data has been reset.)
 Perform the necessary maintenance. Please reset
the maintenance data afte r the maintenance is per-
formed ( P. 4 0 3 )
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
 Turn the high beam on and press the Automatic
High Beam switch again.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision brake system
operation is stopped
 Turn the VSC on. ( P. 2 4 2 )
(If equipped)
Indicates that the PCS (Pre-Collision System) is not cur-
rently functional because the grille cover or the sensor is
dirty
 Check the grille cover and the sensor and clean
them if they are dirty.
Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
Stop using unnecessary electric components to
reduce electricity consumption. Wait a while until
the electric power supply is restored.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system
cannot be used because the vehicle speed is lower than
approximately 32 mph (50 km/h)
Drive the vehicle at 32 mph (50 km/h) or higher.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)