Lexus ES: BSM (Blind Spot Monitor)
The Blind Spot Monitor is a system
that uses rear side radar sensors
installed on the inner side of the
rear bumper on the left and right
side to assist the driver in confirming
safety when changing lanes.
WARNING
■Cautions regarding the use of the
function
The driver is solely responsible for safe
driving. Always drive safely, taking care
to observe your surroundings.
The Blind Spot Monitor is a supplementary
function which alerts the driver that a
vehicle is in a blind spot of the outside
rear view mirrors or is approaching rapidly
from behind into a blind spot. Do not
overly rely on the Blind Spot Monitor. As
the function cannot judge if it is safe to
change lanes, over reliance could lead to
an accident resulting in death or serious
injury.
As the system may not function correctly
under certain conditions, the driver's own
visual confirmation of safety is necessary.
System components
- Meter control switches
Turn the Blind Spot Monitor on/off.
- Outside rear view mirror indicators
When a vehicle is detected in a blind spot
of the outside rear view mirrors or
approaching rapidly from behind into a
blind spot, the outside rear view mirror
indicator on the detected side will illuminate.
If the turn signal lever is operated
toward the detected side, the outside rear
view mirror indicator will flash.
- BSM indicator
When the Blind Spot Monitor is turned on,
the indicator comes on.
Turning the Blind Spot Monitor
on/off
1. Press
or
of the meter control
switches, select .
2. Press
or
of the meter control
switches, select "BSM", and
then press "OK".
■Outside rear view mirror indicator visibility
In strong sunlight, the outside rear view mirror
indicator may be difficult to see.
■When "Blind Spot Monitor Unavailable"
is shown on the multi-information display
Ice, snow, mud, etc., may be attached to the
rear bumper around the sensors.
Remove the ice, snow, mud, etc., attached
to the rear bumper around the sensors to
return the function to normal. Additionally,
the sensors may not operate normally when
driving in extremely hot or cold environments.
■Customization
Some functions can be customized.
WARNING
■Handling the rear side radar sensors
Blind Spot Monitor sensors are installed
behind the left and right sides of the rear
bumper respectively. Observe the following
to ensure the Blind Spot Monitor
can function correctly.
- Keep the sensors and the surrounding
areas on the rear bumper clean at all
times.
If a sensor or its surrounding area on
the rear bumper is dirty or covered
with snow, the Blind Spot Monitor may
not operate and a warning message
will be displayed. In this situation,
clear off the dirt or snow and
drive the vehicle with the operation
conditions of the BSM function
satisfied for approximately
10 minutes. If the warning message
does not disappear, have the vehicle
inspected by your Lexus dealer.
- Do not subject a sensor or its surrounding
area on the rear bumper to a
strong impact.
If a sensor is moved even slightly off
position, the system may malfunction
and vehicles may not be detected correctly.
In the following situations, have your
vehicle inspected by your Lexus
dealer.
- A sensor or its surrounding area is
subject to a strong impact.
- If the surrounding area of a sensor is
scratched or dented, or part of them
has become disconnected.
- Do not disassemble the sensor.
- Do not attach accessories, stickers
(including transparent stickers), aluminum
tape, etc. to a sensor or its surrounding
area on the rear bumper.
- Do not modify the sensor or surrounding
area on the rear bumper.
- If a sensor or the rear bumper needs to
be removed/installed or replaced,
contact your Lexus dealer.
- Do not paint the rear bumper any
color other than an official Lexus color.
Blind Spot Monitor operation
■ Vehicles that can be detected by the Blind Spot Monitor
The Blind Spot Monitor uses rear side radar sensors to detect the following
vehicles
traveling in adjacent lanes and advises the driver of the presence of such
vehicles
via the indicators on the outside rear view mirrors.
- Vehicles that are traveling in areas that are not visible using the
outside rear
view mirrors (the blind spots)
- Vehicles that are approaching rapidly from behind in areas that are not
visible
using the outside rear view mirrors (the blind spots)
■ Blind Spot Monitor detection areas
The areas that vehicles can be detected in are outlined below.
The range of each detection area is:
- Approximately 1.6 ft. (0.5 m) to 11.5 ft. (3.5 m) from either side of
the vehicle*1
- Approximately 3.3 ft. (1 m) forward of the rear bumper
- Approximately 9.8 ft. (3 m) from the rear bumper
- Approximately 9.8 ft. (3 m) to 197 ft. (60 m) from the rear bumper*2
*1: The area between the side of the vehicle and 1.6 ft. (0.5 m) from the
side of the vehicle
cannot be detected.
*2: The greater the difference in speed between your vehicle and the detected
vehicle is,
the farther away the vehicle will be detected, causing the outside rear view
mirror indicator
to illuminate or flash.
■The Blind Spot Monitor is operational
when
The Blind Spot Monitor is operational when
all of the following conditions are met:
- The Blind Spot Monitor is on.
- The shift lever is in a position other than R.
- The vehicle speed is greater than approximately
10 mph (16 km/h).
■The Blind Spot Monitor will detect a
vehicle when
The Blind Spot Monitor will detect a vehicle
present in the detection area in the following
situations:
- A vehicle in an adjacent lane overtakes
your vehicle.
- You overtake a vehicle in adjacent lane
slowly.
- Another vehicle enters the detection
area when it changes lanes.
■Conditions under which the Blind Spot
Monitor will not detect a vehicle
The Blind Spot Monitor is not designed to
detect the following types of vehicles and/or
objects:
- Small motorcycles, bicycles, pedestrians,
etc.*
- Vehicles traveling in the opposite direction
- Guardrails, walls, signs, parked vehicles
and similar stationary objects*
- Following vehicles that are in the same
lane*
- Vehicles traveling 2 lanes away from your
vehicle*
- Vehicles which are being overtaken rapidly
by your vehicle.*
*: Depending on the conditions, detection
of a vehicle and/or object may occur.
■Conditions under which the Blind Spot
Monitor may not function correctly
- The Blind Spot Monitor may not detect
vehicles correctly in the following situations:
- When the sensor is misaligned due to a
strong impact to the sensor or its surrounding
area
- When mud, snow, ice, a sticker, etc. is
covering the sensor or surrounding area
on the rear bumper
- When driving on a road surface that is
wet with standing water during bad
weather, such as heavy rain, snow, or fog
- When multiple vehicles are approaching
with only a small gap between each vehicle
- When the distance between your vehicle
and a following vehicle is short
- When there is a significant difference in
speed between your vehicle and the vehicle
that enters the detection area
- When the difference in speed between
your vehicle and another vehicle is
changing
- When a vehicle enters a detection area
traveling at about the same speed as your
vehicle
- As your vehicle starts from a stop, a vehicle
remains in the detection area
- When driving up and down consecutive
steep inclines, such as hills, dips in the
road, etc.
- When driving on roads with sharp bends,
consecutive curves, or uneven surfaces
- When vehicle lanes are wide, or when
driving on the edge of a lane, and the
vehicle in an adjacent lane is far away
from your vehicle
- When an accessory (such as a bicycle
carrier) or towing eyelet is installed to the
rear of the vehicle
- When there is a significant difference in
height between your vehicle and the
vehicle that enters the detection area
- Immediately after the Blind Spot Monitor
is turned on
- Instances of the Blind Spot Monitor
unnecessarily detecting a vehicle and/or object may increase in the
following situations:
- When the sensor is misaligned due to a
strong impact to the sensor or its surrounding
area
- When the distance between your vehicle
and a guardrail, wall, etc. that enters the
detection area is short
- When driving up and down consecutive
steep inclines, such as hills, dips in the
road, etc.
- When vehicle lanes are narrow, or when
driving on the edge of a lane, and a vehicle
traveling in a lane other than the adjacent
lanes enters the detection area
- When driving on roads with sharp bends,
consecutive curves, or uneven surfaces
- When the tires are slipping or spinning
- When the distance between your vehicle
and a following vehicle is short
- When an accessory (such as a bicycle
carrier) or towing eyelet is installed to the
rear of the vehicle
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