2013 TOYOTA SIENNA Owners Manual

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SIENNA_OM_OM45472U_(U)
CAUTION
■When the sensor may not be corr ectly detecting the vehicle ahead
Apply the brakes as necessary in any of the following situations.
● When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
● When your vehicle is pointing upwards (caused by a heavy load in the lug-
gage compartment etc.)
● Vehicles that cut in suddenly
● Vehicles with small rear ends (trailers with no load on board etc.)
● Motorcycles traveling in the same lane
■ Handling the radar sensor
Observe the following to ensure the pre-collision system can function effec-
tively:
● Keep the sensor and front grille clean at all times.
Clean the sensor and front grille with a soft cloth so you do not mark or
damage them.
● Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may become
inaccurate or malfunction. If the sensor or surrounding area is subject to a
strong impact, always have the area inspected and adjusted by your Toy-
ota dealer.
● Do not disassemble the sensor.
● Do not attach accessories or stickers to the sensor, grille or surrounding
area.
● Do not modify or paint the sensor and grille cover.

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SIENNA_OM_OM45472U_(U)
BSM (Blind Spot Monitor)
: If equipped
The Blind Spot Monitor is a system that has 2 functions;
●The Blind Spot Monitor function
Assists the driver in making the decision when changing lanes
● The Rear Cross Traffic Alert function
Assists the driver when backing up
These functions use same sensors.

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SIENNA_OM_OM45472U_(U)
BSM main switch
Pressing the switch turns the system on or off. When the switch is set
to on, the switch’s indicator illuminates. Common switch for Blind Spot
Monitor function and Rear Cross Traffic Alert function.
Outside rear view mirror indicator
Blind Spot Monitor function:
When a vehicle is detected in the blind spot, the outside rear view mir-
ror indicator comes on while the turn signal lever is not operated and
the outside rear view mirror indicator flashes while the turn signal lever
is operated.
Rear Cross Traffic Alert function:
When a vehicle approaching from the right or left rear of the vehicle is
detected, the outside rear view mirror indicators flash.
Rear Cross Traffic Alert buzzer (Rear Cross Traffic Alert function
only)
When a vehicle approaching from the right or left rear of the vehicle is
detected, a buzzer sounds from behind the rear seat.

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The Blind Spot Monitor functionThe Blind Spot Monitor function uses radar sensors to detect vehicles
that are traveling in an adjacent la ne in the area that is not reflected
in the outside rear view mirror (the blind spot), and advises the driver
of the vehicles existence via the outside rear view mirror indicator.
The Blind Spot Monitor function detection areas
The areas that vehicles can be detected in are outlined below.
The range of the detection area
extends to:Approximately 11.5 ft. (3.5 m)
from the side of the vehicle
The first 1.6 ft. (0.5 m) from the
side of the vehicle is not in the
detection area
Approximately 9.8 ft. (3 m)
from the rear bumper
Approximately 3.3 ft. (1 m) for-
ward of the rear bumper

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SIENNA_OM_OM45472U_(U)
The Rear Cross Traffic Alert function
The Rear Cross Traffic Alert Functions when your vehicle is in
reverse. It can detect other vehicles approaching from the right or left
rear of the vehicle. It uses radar sensors to alert the driver of the
other vehicle’s existence through flashing the outside rear view mirror
indicators and sounding a buzzer.
Approaching vehicles
Detection areas

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The Rear Cross Traffic Alert function detection areas
The areas that vehicles can be detected in are outlined below.
To give the driver a more consist ent time to react, the buzzer can
alert for faster vehicles from farther away.
Example:
Approaching vehicleSpeedApproximate
alert distance
Fast 18 mph (28 km/h) 65 ft. (20 m)
Slow 5 mph (8 km/h) 18 ft (5.5 m)

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SIENNA_OM_OM45472U_(U)
■The Blind Spot Monitor function is operational when
● The BSM main switch is set to on
● Vehicle speed is greater than approximately 10 mph (16 km/h).
■ The Blind Spot Monitor function will detect a vehicle when
● A vehicle in an adjacent lane overtakes your vehicle.
● Another vehicle enters the detection area when it changes lanes.
■ Conditions under which the Blind Spot Monitor function will not detect
a vehicle
The Blind Spot Monitor function 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 driving 2 lanes across from your vehicle*
*
: Depending on conditions, detection of a vehicle and/or object may occur.

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■Conditions under which the Blind Spot Monitor function may not func-
tion correctly
● The Blind Spot Monitor function may not detect vehicles correctly in the
following conditions:
• During bad weather such as heavy rain, fog, snow etc.
• When ice or mud etc. is attached to the rear bumper
• When driving on a road surface that is wet due to rain, standing water
etc.
• When there is a significant difference in speed between your vehicle and the vehicle that enters the detection area
• When a vehicle is in the detection area from a stop and remains in the detection area as your vehicle accelerates
• When driving up or down consecutive steep inclines, such as hills, a dip in the road etc.
• When multiple vehicles approach with only a small gap between each vehicle
• When vehicle lanes are wide, and the vehicle in the next lane is too far away from your vehicle
• When the vehicle that enters the detection area is traveling at about the same speed as your vehicle
• When there is a significant difference in height between your vehicle and the vehicle that enters the detection area
• Directly after the BSM main switch is set to on
• When towing a trailer
• When items such as a bicycle carrier are installed on the rear of the vehicle
● Instances of the Blind Spot Monitor function unnecessarily detecting a
vehicle and/or object may increase under the following conditions:
• When there is only a short distance between your vehicle and a guard-
rail, wall etc.
• When there is only a short distance between your vehicle and a follow- ing vehicle
• When vehicle lanes are narrow and a vehicle driving 2 lanes across from your vehicle enters the detection area
• When items such as a bicycle carrier are installed on the rear of the vehicle