2021 LEXUS LS500 Owners Manual

2014-4. Refueling
4
Driving
1Press the opener switch.
2 Turn the fuel tank cap slowly and
remove it, then put it into the holder
on the fuel filler door.
■If the fuel filler door cannot be opened
 P.441
After refueling, turn the fuel tank cap
until you hear a click. Once the cap is
released, it will turn slightly in the oppo-
site direction.
■When “Check Fuel Cap” is displayed on
the multi-information display
The fuel tank cap may be unfastened or
loose. Turn the engine switch off, check the
cap and tighten it securely. If the message
remains, wait a few se conds and then turn
the engine switch off once again.
Opening the fuel tank cap
Closing the fuel tank cap
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 inci-
dent which may result in death or serious
injury.

2024-5. Using the driving support systems
4-5.Using the driving support systems
*:If equipped
■PCS (Pre-Collision System) (vehi-
cles with Lexus Safety System + A)
 P.215
■FCTA (Front Cross Traffic Alert)
 P.235
■LTA (Lane Tracing Assist)
 P.238
■AHB (Automatic High Beam)
 P.193
■RSA (Road Sign Assist)*
*:If equipped
P.251
■Dynamic radar cruise control with
full-speed range
 P.254 Four types of sensors, located behind
the front grille, front bumper, rear
bumper and windshield, detect infor-
mation necessary to operate the drive
assist systems.
Front
Front radar sensor
Front side radar sensors
Front camera
Rear
Rear side radar sensors ( P.264)
Lexus Safety System + A*
The Lexus Safety System + A con-
sists of the following drive assist sys-
tems and contributes to a safe and
comfortable driving experience:
Drive assist system
WARNING
■Lexus Safety System + A
The Lexus Safety System + A 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 con-
ditions.
As there is a limit to the degree of recog-
nition accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surroundings and driving
safely.
Sensors
A
B
C

2034-5. Using the driving support systems
4
Driving
WARNING
■To avoid malfunction of the front
radar sensor
Observe the following precautions.
Otherwise, the radar sensor may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
●Keep the radar sens or and the radar
sensor cover clean at all times.
Radar sensor
Radar sensor cover
If the front of the rada r sensor or the front
or back of the radar sensor cover is dirty
or covered with water droplets, snow,
etc., clean it.
Clean the radar sensor and radar sensor
cover with a soft cloth to avoid damaging
them.
●Do not attach accessories, stickers
(including transpar ent stickers) or
other items to the radar sensor, radar
sensor cover or surrounding area.
A
B
●Do not subject the radar sensor or its
surrounding area to a strong impact.
If the radar sensor is moved even
slightly off position, the system may
malfunction and objects may not be
detected correctly.
If the radar sensor, front grille, or front
bumper has been subjected to a
strong impact, have the vehicle
inspected by your Lexus dealer.
●Do not disassemble the radar sensor.
●Do not modify or paint the radar sen-
sor or radar sensor cover.
●In the following cases, the radar sensor
must be recalibrated. Contact your
Lexus dealer for details.
• When the radar sensor or front grille
are removed and installed, or replaced
• When the front bumper is replaced
■To avoid malfunction of the front side
radar sensors
Observe the following precautions.
Otherwise, the radar sensor may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.

2044-5. Using the driving support systems
WARNING
●Keep the radar sensors and their sur-
rounding areas on the front bumper
clean at all times.
If a radar sensor or its surrounding area
on the front bumper is dirty or covered
with snow, the system may not operate
and a warning message (
P.436) will
be displayed.
If this occurs, clean off the dirt or snow
and drive the vehicle for approximately
10 minutes.
If the warning message does not disap-
pear, have your vehicle inspected by your
Lexus dealer.
●Do not attach accessories, stickers
(including transparen t stickers), alumi-
num tape or other items to the radar
sensors or their surrounding area.
●Do not subject a radar sensor or its
surrounding area on the front bumper
to a strong impact.
If a radar sensor is moved even slightly
off position, the system may malfunction
and vehicles may not be detected cor-
rectly.
In the following situations, have your
vehicle inspected by your Lexus dealer.
• If a radar sensor or its surrounding area is subject to a strong impact
• If the area on the front bumper around a radar sensor is scratched or dented,
or the front bumper has become par-
tially disengaged
●Do not disassemble the radar sensors.
●Do not modify the radar sensors or
their surrounding area on the front
bumper.
●In the following cases, the radar sensor
must be recalibrated. Contact your
Lexus dealer for details.
• When the radar sens or is removed and
installed, or replaced
• When the front bumper is replaced
●Do not paint the front bumper any
color other than an official Lexus color.
■To avoid malfunction of the front cam-
era
Observe the following precautions.
Otherwise, the front camera may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
●Keep the windshield clean at all times.
• If the windshield is dirty or covered with an oily film, water droplets, snow,
etc., clean the windshield.
• As some glass coating agents may affect the detection performance of
the front camera, consult your Lexus
dealer when using a glass coating
agent.
• If a glass coating agent is applied to the windshield, it will still be necessary to
use the windshield wipers to remove
water droplets, etc. from the area of
the windshield in front of the front
camera.
• If the inner side of the windshield where the front camera is installed is
dirty, contact your Lexus dealer.

2054-5. Using the driving support systems
4
Driving
WARNING
●Do not attach objects, such as stickers,
transparent stickers, and so forth, to
the outer side of the windshield in front
of the front camera (shaded area in the
illustration).From the top of the windshield to
approximately 0.4 in. (1 cm) below
the bottom of the front camera
Approximately 14.2 in. (36 cm)
(Approximately 7.1 in. [18 cm] to the
right and left from the center of the
front camera)
●If the part of the windshield in front of
the front camera is fogged up or cov-
ered with condensation or ice, use the
windshield defogger to remove the
fog, condensation or ice. (
P.324)
●If water droplets cannot be properly
removed from the area of the wind-
shield in front of the front camera by
the windshield wipers, replace the
wiper insert or wiper blade.
●Do not attach window tint to the wind-
shield.
●Replace the windshield if it is damaged
or cracked.
After replacing the windshield, the
front camera must be recalibrated.
Contact your Lexus dealer for details.
●Do not allow liquids to contact the
front camera.
●Do not allow bright lights to shine into
the front camera.
A
B
●Do not dirty or damage the front cam-
era.
When cleaning the inside of the wind-
shield, do not allow glass cleaner to
contact the lens of the front camera.
Also, do not touch the lens.
If the lens is dirty or damaged, contact
your Lexus dealer.
●Do not subject the front camera to a
strong impact.
●Do not change the installation position
or direction of the front camera or
remove it.
●Do not disassemble the front camera.
●Do not modify any components of the
vehicle around the front camera
(inside rear view mirror, etc.) or ceiling.
●Do not attach any accessories to the
hood, front grille or front bumper that
may obstruct the front camera. Con-
tact your Lexus dealer for details.
●If a surfboard or other long object is to
be mounted on the roof, make sure
that it will not obstruct the front cam-
era.
●Do not modify the headlights or other
lights.

2064-5. Using the driving support systems
■Certification

2074-5. Using the driving support systems
4
Driving
■If a warning message is displayed on the multi-information display
A system may be temporarily unavailable or there may be a malfunction in the system.
●In the following situations, perform the actions specified in the table. When the normal
operating conditions are detected, the message will disappear and the system will
become operational.
If the message does not disappea r, contact your Lexus dealer.
SituationActions
When the area around a sensor is covered
with dirt, moisture (fogged up, covered with
condensation, ice, etc.), or other foreign
matterTo clean the part of the windshield in front of
the front camera , use the windshield wipers
or the windshield defo gger of the air condi-
tioning system ( P.324).

2084-5. Using the driving support systems
●In the following situations, if the situation has changed (or the vehicle has been driven for
some time) and the normal operating conditions are detected, the message will disappear
and the system will become operational.
If the message does not disappear, contact your Lexus dealer.
• When the temperature around the radar sensor is outside of the operational range, such
as when the vehicle is in the sun or in an extremely cold environment
• When the front camera cannot detect objects in front of the vehicle, such as when driving
in the dark, snow, or fog, or when brig ht lights are shining into the front camera
When the temperature around the front
camera is outside of the operational range,
such as when the vehicle is in the sun or in an
extremely cold environment
If the front camera is hot, such as after the
vehicle had been parked in the sun, use the
air conditioning system to decrease the tem-
perature around the front camera.
If a sunshade was used when the vehicle
was parked, depending on its type, the sun-
light reflected from the surface of the sun-
shade may cause the temperature of the
front camera to become excessively high.
If the front camera is cold, such after the
vehicle is parked in an extremely cold envi-
ronment, use the air conditioning system to
increase the temperature around the front
camera.
The area in front of the front camera is
obstructed, such as when the hood is open
or a sticker is attached to the part of the
windshield in front of the front camera.
Close the hood, remove the sticker, etc. to
clear the obstruction.
SituationActions