Toyota Safety Sense

 

Toyota Safety Sense™ (TSS) represents the latest milestone in Toyota's history of creating advancements and innovations in safety that help mitigate and prevent crashes and protect people in certain conditions. This advanced active safety technology is about to be included as standard equipment on almost every Toyota model and trim level in the United States by the end of 2017 (2018 model year vehicles).

Overview
Toyota Safety Sense™ (TSS) is designed to help protect drivers, passengers, people in other vehicles on the road, and pedestrians (TSS-P and AHB). TSS is comprised of multi-feature active safety packages anchored by automated pre-collision warning and braking. TSS is designed to support the driver's awareness, decision making, and vehicle operation over a wide range of speeds under certain conditions. Packaged together in an integrated system, TSS features help address three key areas of accident protection: mitigating or preventing frontal collisions, helping to keep drivers within their lane, and enhancing road safety during nighttime driving. Always drive safely, obey traffic speed limits and laws, and focus on the road while driving.

TSS will be offered in the form of two packages: Toyota Safety Sense™  (TSS-C) for compact vehicles and Toyota Safety Sense™  (TSS-P) for mid-sized and large vehicles. 

Toyota Safety Sense™  features three proprietary active safety technologies, and combines a camera and laser for outstanding performance and reliability. The package can help mitigate or prevent collisions in a wide range of vehicle speeds under certain conditions.
Pre-Collision System (PCS) - Vehicle Detection
Lane Departure Alert (LDA)
Automatic High Beams (AHB)

Toyota Safety Sense™ combines an in-vehicle camera and front-grill mounted millimeter-wave radar for enhanced performance and more functionality. In addition to the three active safety technologies featured in the TSS-C package, the Pre-Collision System offered with this package, TSS-P enhances the operational speeds of PCS and adds a Pedestrian Detection function, enhances Lane Departure Alert with a Steering Assist function on Electronic Power Steering (EPS) equipped vehicles and adds Dynamic Radar Cruise Control. 
Pre-Collision System with Pedestrian Detection function (PCS w/PD) - Vehicle Detection & Pedestrian Detection
Lane Departure Alert with Steering Assist function (LDA w/SA) (EPS equipped vehicles)
Automatic High Beams (AHB)
Dynamic Radar Cruise Control (DRCC)
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Toyota Safety Sense™ Table Vehicle Applicability Chart
 


TSS1 will be offered in the form of two packages: Toyota Safety Sense™  (TSS-C) for compact vehicles and Toyota Safety Sense™  (TSS-P) for mid-sized and large vehicles. Please refer to this chart for the latest on what vehicles feature TSS.
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Toyota Safety Sense™: Pre-Collision System (PCS)- Vehicle Detection
With TSS-C, Pre-Collision System (PCS) uses an in-vehicle camera and laser to help detect the vehicle in front of your vehicle. 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. This system will not prevent collisions or lessen collision damage or injury in every situation. Do not use PCS instead of normal braking operations under any circumstances. Do not attempt to test the operation of the pre-collision system yourself, as the system may not operate or engage, possibly leading to an accident. In some situations, such as when driving in inclement weather such as heavy rain, fog, snow or a sandstorm or while driving on a curve and for a few seconds after driving on a curve, a vehicle may not be detected by the laser and camera sensors, preventing the system from operating or engaging properly. Refer to a Toyota Owner's Manual for a list of additional situations in which the system may not operate properly.

When PCS determines that the possibility of a frontal collision with that vehicle is high, it prompts the driver to take evasive action and brake, by using an audio and visual alert
These alerts are designed to operate when the vehicle speed is between approximately 7 to 85 miles-per-hour (MPH) for potential collisions with a vehicle (Alerts are designed to function prior to brake function at speeds between approximately 10-85 MPH. Alert and brake functions may occur simultaneously for PCS operational speeds below 10 MPH.)

If the driver notices the hazard and brakes, the system may provide additional braking force using Brake Assist. This system may prime the brakes and may apply greater braking force in relation to how strongly the brake pedal is depressed
If the driver does not brake in a set time and the system determines that the possibility of a frontal collision with a preceding vehicle is extremely high, the system may automatically apply the brakes, reducing speed in order to help the driver reduce the impact and in certain cases avoid the collision
The PCS included with the TSS-C package may operate the automatic braking feature at speeds between approximately 7 to 50 MPH for potential collisions with a preceding vehicle
May reduce vehicle speed by up to 19 MPH for potential collisions with a preceding vehicle

If the vehicle is stopped by the operation of the pre-collision brake function, the operation of the pre-collision brake hold will be canceled (brake will be released) after the vehicle has been stopped for approximately two seconds to allow the vehicle to move, if necessary. The driver of the vehicle must then determine whether brake or gas pedal application, or neither, is appropriate for the conditions

The pre-collision brake function may not operate if certain operations are performed by the driver. If the accelerator pedal is being depressed strongly or the steering wheel is being turned, the system may determine that the driver is taking evasive action and possibly prevent the pre-collision braking function from operating. In some situations, while the pre-collision brake function is operating, operation of the function may be canceled if the accelerator pedal is depressed strongly or the steering wheel is turned and the system determines that the driver is taking evasive action.

The following setting(s) can be adjusted (Varies by vehicle and type of TSS): 
PCS Alert Timing (Alert timing only, brake operation remains the same): Far - Mid (default) - Near
Pre-Collision System: Turn function ON or OFF. If PCS is turned OFF by the driver, PCS will default back to ON with the Mid alert timing each time the ignition is cycled.

Refer to a Toyota Owner's Manual for additional information on PCS operation, settings adjustments, limitations, and precautions.
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Toyota Safety Sense™: Lane Departure Alert (LDA)
LDA in both TSS-C and TSS-P uses an in-vehicle camera designed to detect visible white and yellow lane markers in front of the vehicle and the vehicle's position on the road. If the system determines that the vehicle is starting to unintentionally deviate from its lane, the system alerts the driver with an audio and visual alert. When the alerts occur, the driver must check the surrounding road situation and carefully operate the steering wheel to move the vehicle back to the center part of their lane.

LDA is designed to function at speeds of approximately 32 MPH or higher on relatively straight roadways

In addition to alert functions of LDA, TSS-P equipped vehicles with Electronic Power Steering (EPS) will also feature a Steering Assist function (LDA w/SA). When equipped and enabled, if the system determines that the vehicle is on a path to unintentionally depart from its lane, the system may provide small corrective steering inputs to the steering wheel for a short period of time to help keep the vehicle in its lane. 

The vehicle's multi-information display indicates the system's operating status:
The inside of the displayed lines will be empty if the system is not able to detect the lane markings or if the system operation is temporarily disabled on one or both sides
The inside of the filled in lines will be filled in (usually white) if the system is able to detect the lane markings
The inside of the filled in lines will flash on the affected side (usually orange) when LDA is operating. This is the Visual Alert
Outside of the filled in lines will flash on the affected side (usually green) if Steering Assist function is operating

The following setting(s) can be adjusted (Varies by vehicle and type of TSS):
LDA Audio and Visual Alert: Turn ON or OFF & Adjust Alert Sensitivity
Steering Assist function: Turn the Steering Assist function ON or OFF & Adjust Sensitivity
Vehicle Sway Warning: Turn function ON or OFF & Adjust Alert Sensitivity

Operation of the LDA system and setting adjustments continues in the same condition regardless of ignition cycle until changed by the driver or the system is reset.

Refer to a Toyota Owner's Manual for additional information on LDA operation, settings adjustments, limitations, and precautions
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Toyota Safety Sense™: Automatic High Beams (AHB)
Automatic High Beams (AHB) is a safety system designed to help drivers see more of what's ahead at nighttime without dazzling other drivers. When enabled, AHB uses an in-vehicle camera to help detect the headlights of oncoming vehicles and tail lights of preceding vehicles, then automatically switches between high and low beams as appropriate to provide the most light possible and enhance forward visibility. By using high beams more frequently, the system may allow earlier detection of pedestrians and obstacles.

AHB is designed to function at speeds of approximately 25 MPH or higher. Minimum speed may vary by vehicle

The following setting(s) can be adjusted:
AHB: Turn ON or OFF

Refer to a Toyota Owner's Manual for additional information on AHB operation, settings adjustments, limitations, and precautions.
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Toyota Safety Sense™: PCS with Pedestrian Detection function (PCS w/PD) - Vehicle Detection
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. This system will not prevent collisions or lessen collision damage or injury in every situation. Do not use PCS instead of normal braking operations under any circumstances. Do not attempt to test the operation of the pre-collision system yourself, as the system may not operate or engage, possibly leading to an accident. In some situations, such as when driving in inclement weather such as heavy rain, fog, snow or a sandstorm or while driving on a curve and for a few seconds after driving on a curve, a vehicle may not be detected by the radar and camera sensors, preventing the system from operating or engaging properly. Refer to a Toyota Owner's Manual for a list of additional situations in which the system may not operate properly.

VEHICLE DETECTION (PCS)
With Toyota Safety Sense™, PCS uses an in-vehicle camera and front-grill mounted millimeter-wave radar to help detect the vehicle in front of your vehicle.
When PCS determines that the possibility of a frontal collision with a preceding vehicle is high, it prompts the driver to take evasive action and brake, by using an audio and visual alert
These alerts are designed to operate when the vehicle speed is between approximately 7 to 110 MPH for potential collisions with a preceding vehicle

If the driver notices the hazard and brakes, the system may provide additional braking force using Brake Assist. This system may prime the brakes and may apply greater braking force in relation to how strongly the brake pedal is depressed
If the driver does not brake in a set time and the system determines that the possibility of a frontal collision with a preceding vehicle is extremely high, the system may automatically apply the brakes, reducing speed in order to help the driver reduce the impact and in certain cases avoid the collision
The PCS included with the TSS-P package may operate the automatic braking feature at speeds between approximately 7 to 110 MPH for potential collisions with a preceding vehicle
May reduce vehicle speed by up to 25 MPH for potential collisions with a preceding vehicle

Applicable to TSS-P PCS Vehicle and Pedestrian Detection: If the vehicle is stopped by the operation of the pre-collision brake function, the operation of the pre-collision brake hold will be canceled (brake will be released) after the vehicle has been stopped for approximately two seconds to allow the vehicle to move, if necessary. The driver of the vehicle must then determine whether brake or gas pedal application, or neither, is appropriate for the conditions.

Applicable to TSS-P PCS Vehicle and Pedestrian Detection: The pre-collision braking function may not operate if certain operations are performed by the driver. If the accelerator pedal is being depressed strongly or the steering wheel is being turned, the system may determine that the driver is taking evasive action and possibly prevent the pre-collision braking function from operating. In some situations, while the pre-collision braking function is operating, operation of the function may be canceled if the accelerator pedal is depressed strongly or the steering wheel is turned and the system determines that the driver is taking evasive action.

The following setting(s) can be adjusted (Varies by vehicle and type of TSS). Adjustments made affect Vehicle and Pedestrian Detection3 together, they cannot be independently adjusted:
PCS Alert Timing (Alert timing only, brake operation remains the same): Far - Mid (default) - Near
Pre-Collision System: Turn function ON or OFF. If PCS is turned OFF by the driver, PCS will default back to ON with the Mid alert timing each time the ignition is cycled.

Refer to a Toyota Owner's Manual for additional information on PCS w/PD operation, settings adjustments, limitations, and precautions.
Read more

Toyota Safety Sense™: PCS with Pedestrian Detection function (PCS w/PD) - Pedestrian Detection
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. This system will not prevent collisions or lessen collision damage or injury in every situation. Do not use PCS instead of normal braking operations under any circumstances. Do not attempt to test the operation of the pre-collision system yourself, as the system may not operate or engage, possibly leading to an accident. In some situations, such as when driving in inclement weather such as heavy rain, fog, snow or a sandstorm or while driving on a curve and for a few seconds after driving on a curve, a vehicle may not be detected by the radar and camera sensors, preventing the system from operating or engaging properly. Refer to a Toyota Owner's Manual for a list of additional situations in which the system may not operate properly.

PEDESTRIAN DETECTION (PCS w/PD)
In certain conditions, the PCS system included with the TSS-P package may also help to detect a pedestrian in front of your vehicle. With Toyota Safety Sense™, PCS uses an in-vehicle camera and front-grill mounted millimeter-wave radar to help detect a pedestrian in front of your vehicle.

The in-vehicle camera of PCS detects a potential pedestrian based on size, profile, and motion of the detected pedestrian. However, a pedestrian may not be detected depending on the conditions, including the surrounding brightness and the motion, posture, size, and angle of the potential detected pedestrian, preventing the system from operating or engaging (Refer to a Toyota Owner's Manual for additional information)
If PCS determines that the possibility of a frontal collision with pedestrian in front of your vehicle is high under certain conditions, it prompts the driver to take evasive action and brake, by using an audio and visual alert, followed by Brake Assist
These alerts operate when the vehicle's speed is between approximately 7 to 50 MPH

If the driver does not brake in a set time and the system determines that the risk of collision with a pedestrian in front of your vehicle is extremely high, the system may automatically apply the brakes, reducing speed in order to help the driver reduce the impact and in certain cases avoid the collision
The PCS included with the TSS-P package may operate the automatic braking feature at speeds between approximately 7 to 50 MPH for potential collisions with a preceding pedestrian
May reduce vehicle speed by up to 19 MPH for potential collisions with a preceding pedestrian

Applicable to TSS-P PCS Vehicle and Pedestrian Detection: If the vehicle is stopped by the operation of the pre-collision brake function, the operation of the pre-collision brake hold will be canceled (brake will be released) after the vehicle has been stopped for approximately two seconds to allow the vehicle to move, if necessary. The driver of the vehicle must then determine whether brake or gas pedal application, or neither, is appropriate for the conditions.

Applicable to TSS-P PCS Vehicle and Pedestrian Detection: The pre-collision braking function may not operate if certain operations are performed by the driver. If the accelerator pedal is being depressed strongly or the steering wheel is being turned, the system may determine that the driver is taking evasive action and possibly prevent the pre-collision braking function from operating. In some situations, while the pre-collision braking function is operating, operation of the function may be canceled if the accelerator pedal is depressed strongly or the steering wheel is turned and the system determines that the driver is taking evasive action.

The following setting(s) can be adjusted (Varies by vehicle and type of TSS). Adjustments made affect Vehicle and Pedestrian Detection together, they cannot be independently adjusted:
PCS Alert Timing (Alert timing only, brake operation remains the same): Far - Mid (default) - Near
Pre-Collision System: Turn function ON or OFF. If PCS is turned OFF by the driver, PCS will default back to ON with the Mid alert timing each time the ignition is cycled.

Refer to a Toyota Owner's Manual for additional information on PCS w/PD operation, settings adjustments, limitations, and precautions.
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Toyota Safety Sense: Dynamic Radar Cruise Control (DRCC)
TSS-P equipped vehicles include Dynamic Radar Cruise Control (DRCC). On highways, DRCC functions similar to conventional ???constant speed??? cruise control in that its helps vehicles travel at a consistent speed set by the driver, but this system adds a vehicle-to-vehicle distance control mode which assists the driver by adjusting vehicle speed (within a set range) to help maintain a pre-set distance to a preceding vehicle when the preceding vehicle is traveling at a lower speed.

Once a vehicle speed is set by the driver (approximately 28 MPH or higher) , DRCC uses a front-grill mounted millimeter-wave radar and an in-vehicle camera to detect a preceding vehicle and help determine its distance.

If the vehicle ahead is detected traveling at a speed slower than your set speed or within your distance range setting, the system is designed to automatically decelerate your vehicle without having to cancel the cruise control. When a greater reduction in vehicle speed is necessary, the system may apply the brakes, may alert the driver by using an audio and visual alert, and may operate your vehicle brake lights. The system will then respond to changes in the speed of the vehicle ahead in order to help maintain the vehicle-to-vehicle distance set by the driver. When there is no longer a preceding vehicle driving slower than your vehicle's set speed, the system accelerates until the set speed is reached and returns to constant speed cruising.

The vehicle-to-vehicle distance, or distance between your vehicle and the preceding vehicle, can be set by operating the vehicle-to-vehicle distance control on your steering wheel. Pressing the button allows the driver to choose from three vehicle-to-vehicle distance settings: Long - Medium - Short.
DRCC is designed to function at speeds of approximately 25 to 110 MPH. However, vehicle speed must be above approximately 28 MPH to initiate DRCC as that is the lowest set speed
Starting with certain 2016 Prius models, select Toyota vehicles may also feature the new Full-Speed Range DRCC, which is designed to also work at speeds below 25 MPH. which is designed to also cover speeds below 25 MPH. Full-speed DRCC may enable low speed following, speed matching, stopping, and acceleration/deceleration to a preceding vehicle
Full-Speed Range DRCC is designed to function at speeds between approximately 0 to 110 MPH and is intended for highway use

The following setting(s) can be adjusted:
Vehicle-to-vehicle distance settings: Long - Medium (default) - Short

Refer to a Toyota Owner's Manual for additional information on DRCC, operation, settings adjustments, limitations, and precautions.

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Toyota Safety Sense™ P 9 (TSS-P)

TSS-P combines an in-vehicle camera and front-grille-mounted, millimeter-wave radar for enhanced performance and more functionality.


PCS w/PD
Pre-Collision System With
Pedestrian Detection Function
LDA w/SA
Lane Departure Alert With
Steering Assist Function
AHB
Automatic High Beams

DRCC
Dynamic Radar
Cruise Control

  • Pre-Collision System 10 with Pedestrian Detection function 7 (PCS w/PD) -Vehicle Detection & Pedestrian Detection
  • Lane Departure Alert with Steering Assist function (LDA w/SA) 11 (EPS-equipped vehicles)
  • Automatic High Beams (AHB) 8
  • Dynamic Radar Cruise Control (DRCC) 12
Toyota Safety Sense™ Lane Departure Alert (LDA) 11
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