Lexus GS350 (2020 year). Manual in english — page 14
224
4-3. Operating the lights and wipers
■
Headlight control sensor
■
Automatic light off system
●
When the headlights are on: The headlights and tail lights turn off 30 seconds after the
engine switch is turned off and a door is opened and all of the doors and trunk are
closed. (The lights turn off immediately if
on the key is pressed twice after all the
doors are closed.)
●
When only the tail lights are on: The tail lights turn off automatically if the engine switch
is turned off and the driver’s door is opened.
To turn the lights on again, turn the engine switch to IGNITION ON mode, or turn the
light switch off once and then back to
or
.
If any of the doors or trunk lid is kept open, the lights automatically turn off after 20 min-
utes.
■
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.
■
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 your Lexus dealer.
■
Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features:
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 detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.
NOTICE
■
To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.
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4-3. Operating the lights and wipers
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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. 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 Automatic High Beam system
Do not overload the vehicle.
Activating the Automatic High Beam system
1
2
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4-3. Operating the lights and wipers
■
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
●
When all of the following conditions are fulfilled, the high beam will be automatically
turned on:
• Vehicle speed is above approximately 21 mph (34 km/h).
• 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, 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.
Turning the high beam on/off manually
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4-3. Operating the lights and wipers
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■
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 vehicle ahead only has operational lights on one side
• When 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.
●
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 high
beams 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 those 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.
• When driving through an area of intermittently 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, or are not aimed properly.
• The vehicle is listing or tilting, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeatedly 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.
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4-3. Operating the lights and wipers
■
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 30 seconds after , repeat pulling the headlight switch lever to the original
position then pushing it to the high beam position quickly 10 times, then leave the lever
in high beam position.
If the sensitivity is changed, the Automatic High Beam indicator is turn on and off 3
times.
Automatic High Beam (headlights) may turn on even the vehicle is stopped.
■
Warning message
Warning messages are used to indicate a system malfunction or to inform the driver of
the need for caution. (
1
2
3
2
4
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4-3. Operating the lights and wipers
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Windshield wipers and washer
Operating the
lever operates the wipers or washer as follows. The lever
will return to its original position immediately after operation.
Intermittent windshield wipers with interval adjuster
(U.S.A.)
or
(Canada)
Move the lever up 2 levels
Move the lever up 1 level
(U.S.A.)
or
(Canada)
Move the lever down 1 level
(U.S.A.)
or
(Canada)
Move the lever down 2 levels
Operating the wiper lever
1
2
3
4
or
or
or
Off
Temporary
operation
Temporary
operation
Intermittent
operation
High speed
operation
Intermittent
operation
Off
Off
Low speed
operation
High speed
operation
Low speed
operation
Off
Intermittent
operation
High speed
operation
High speed
operation
High speed
operation
Off
Low speed
operation
No change
No change
Status
before
operation
Operation
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4-3. Operating the lights and wipers
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 opera-
tion
Pulling the lever operates the wipers
and washer.
Wipers will automatically operate a cou-
ple 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 headlight cleaners will operate
every 5th time the lever is pulled.
Rain-sensing windshield wipers
(U.S.A.)
or
(Canada)
Move the lever up 2 levels
Move the lever up 1 level
(U.S.A.)
or
(Canada)
Move the lever down 1 level
(U.S.A.)
or
(Canada)
Move the lever down 2 levels
AUTO mode on/off switch
5
6
7
AUTO mode
indicator
1
2
3
4
5
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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.
AUTO mode indicator will turn on when AUTO mode is selected.
*
1
: After temporary operation, the mode will return to AUTO mode.
*
2
: AUTO mode will be canceled.
When AUTO mode is selected, the sensor sensitivity can be adjusted by turning
the switch ring.
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual operation
Pulling the lever operates the wipers
and washer.
Wipers will automatically operate a cou-
ple 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 headlight cleaners will operate
every 5th time the lever is pulled.
or
or
or
Off
Temporary
operation
Temporary
operation
Low speed
operation
High speed
operation
Low speed
operation
Off
Off
High speed
operation
High speed
operation
High speed
operation
Off
Low speed
operation
No change
No change
AUTO
mode
Intermittent
operation
Off
Temporary
operation
*
1
Low speed
operation
*
2
High speed
operation
*
2
Continuously
No change
Operation
Status
before
operation
6
7
8
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4-3. Operating the lights and wipers
The wipers can be used as intermittent windshield wipers, which operate regard-
less of vehicle speed or amount of raindrops. The intermittent windshield wiper
operation can be switched when the vehicle is stopped and the wiper is off. The
wiper operation cannot be switched during AUTO mode or while the intermit-
tent windshield wipers are operating.
Press and hold
until the AUTO
mode indicator stops flashing.
If
is pressed and held until the
AUTO mode indicator stops flashing
again, it will return to its previous state.
■
The windshield wiper and washer can be operated when
The engine switch is in IGNITION ON mode.
■
Dripping prevention wiper sweep
After washing and wiping operation several times, the wipers operate one more time
after a short delay to prevent dripping.
However, the last sweep will not happen while the vehicle is moving.
■
Effects of vehicle speed on wiper operation
●
Intermittent windshield wipers interval changes when the vehicle is stopped.
●
With low speed operation selected, wiper operation will be switched from low speed to
intermittent operation only when the vehicle is stationary.
■
Raindrop sensor
●
If AUTO mode is selected while the engine switch is in IGNITION ON mode, the wip-
ers will operate once to show that AUTO mode is activated.
●
If the temperature of the raindrop sensor is 185°F (85°C) or higher, or -22°F
(-30°C) or lower, automatic operation may not occur. In this case, operate the
wipers in any mode other than AUTO mode.
Switching between the intermittent windshield wipers and rain-sensing
windshield wipers (vehicles with rain-sensing windshield wipers)
●
The raindrop sensor judges the amount of
raindrops.
An optical sensor is adopted. It may not oper-
ate properly when sunlight from the rising or
setting of the sun intermittently strikes the
windshield, or if bugs etc. are present on the
windshield.
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4-3. Operating the lights and wipers
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■
When the windshield wipers are in temporary operation
AUTO mode cannot be activated even if
is pressed.
■
If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the windshield
washer fluid reservoir.
WARNING
■
Caution regarding the use of windshield wipers in AUTO mode
The windshield wipers may operate unexpectedly if the sensor is touched or the wind-
shield is subject to vibration in AUTO mode. Take care that your fingers or anything
else do not become caught in the windshield wipers.
■
Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshield becomes warm. The
fluid may freeze on the windshield and cause low visibility. This may lead to an accident,
resulting in death or serious injury.
NOTICE
■
When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■
When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be caused if the lever is pulled toward you and
held continually.
■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
■
When standing the windshield wipers up
Raise the wipers in line with the windshield. (
Failure to do so may result in damage to the wipers and/or the hood.
234
Opening the fuel tank cap
●
Turn the engine switch off and ensure that all the doors and windows are
closed.
●
Confirm the type of fuel.
■
Fuel types
■
Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only accom-
modates the special nozzle on unleaded fuel pumps.
■
If the malfunction indicator lamp illuminates
The malfunction indicator lamp may illuminate erroneously if refueling is performed
repeatedly when the fuel tank is nearly full.
Perform the following steps to open the fuel tank cap:
Before refueling the vehicle
235
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WARNING
■
When refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do so may
result in death or serious injury.
●
After exiting the vehicle and before opening the fuel door, touch an unpainted metal
surface to discharge any static electricity. It is important to discharge static electricity
before refueling because sparks resulting from static electricity can cause fuel vapors
to ignite while refueling.
●
Always hold the grips on the fuel tank cap and turn it slowly to remove it.
A whooshing sound may be heard when the fuel tank cap is loosened. Wait until the
sound cannot be heard before fully removing the cap. In hot weather, pressurized fuel
may spray out the filler neck and cause injury.
●
Do not allow anyone that has not discharged static electricity from their body to come
close to an open fuel tank.
●
Do not inhale vaporized fuel.
Fuel contains substances that are harmful if inhaled.
●
Do not smoke while refueling the vehicle.
Doing so may cause the fuel to ignite and cause a fire.
●
Do not return to the vehicle or touch any person or object that is statically charged.
This may cause static electricity to build up, resulting in a possible ignition hazard.
■
When refueling
Observe the following precautions to prevent fuel overflowing from the fuel tank:
●
Securely insert the fuel nozzle into the fuel filler neck.
●
Stop filling the tank after the fuel nozzle automatically clicks off.
●
Do not top off the fuel tank.
NOTICE
■
Refueling
Do not spill fuel during refueling.
Doing so may damage the vehicle, such as causing the emission control system to
operate abnormally or damaging fuel system components or the vehicle’s painted sur-
face.
236
With the doors unlocked, press the
center of the rear edge of the fuel
filler door.
Push until you hear a click and take your
hand away to slightly open the fuel filler
door. Then open the door fully by hand.
Turn the fuel tank cap slowly to
remove it and put it into the holder
on the fuel filler door.
Opening the fuel tank cap
1
2
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■
When the fuel filler door cannot be opened by pressing the rearward of the fuel filler
door
After refueling, turn the fuel tank cap
until you hear a click. Once the cap
is released, it will turn slightly in the
opposite direction.
Close the fuel filler door, and press
the center of the rear edge of the
fuel filler door until you hear a click.
When you lock the doors, the fuel filler
door will lock also.
Remove the cover inside the trunk and pull the
lever.
Closing the fuel tank cap
1
2
238
■
Fuel filler door lock condition
The fuel filler door may not be locked even when the vehicle’s doors are locked in the fol-
lowing conditions:
●
When operating the door lock button inside the vehicle
●
When the automatic door locking system is operated (
●
When the fuel filler door is closed after the vehicle’s doors are locked
WARNING
■
When replacing the fuel tank cap
Do not use anything but a genuine Lexus fuel tank cap designed for your vehicle. Doing
so may cause a fire or other incident which may result in death or serious injury.
239
4-5. Using the driving support systems
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Lexus Safety System +
◆
PCS (Pre-Collision System)
◆
LKA (Lane-Keeping Assist)
◆
Automatic High Beam
◆
Dynamic radar cruise control with full-speed range
: If equipped
The Lexus Safety System + consists of the following drive assist systems and
contributes to a safe and comfortable driving experience:
WARNING
■
Lexus Safety System +
The Lexus Safety System + is designed to operate under the assumption that the driver
will drive safely, and is designed to help reduce the impact to the occupants and the
vehicle in the case of a collision or assist the driver in normal driving conditions.
As there is a limit to the degree of recognition accuracy and control performance that
this system can provide, do not overly rely on this system. The driver is always responsi-
ble for paying attention to the vehicle’s surroundings and driving safely.
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