Static Objects Front and Rear of the vehicle
If the sensors detect a static object, such as a wall, in the travelling direction of the vehicle and the system determines that a collision may occur due to the vehicle suddenly moving forward due to an accidental accelerator pedal operation, the vehicle moving the unintended direction due to the wrong shift position, or while parking or traveling at low speeds, the system will operate to lessen the impact with the detected static object and reduce the resulting damage.
The system operates in the following situations when a static object is detected in the traveling direction of the vehicle.
■ When traveling at a low speed and the brake pedal is not depressed, or is depressed late
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■ When the accelerator pedal is depressed excessively
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■ When the vehicle moves in the unintended direction due to the wrong shift lever position
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■The system will operate when
The function will operate when the driving assist information indicator is not illuminated or flashing and all of the following conditions are met:
- Engine output restriction control
- PKSB (Parking Support Brake) system is enabled.
- The vehicle speed is approximately 9 mph (15 km/h) or less.
- There is a static object in the traveling direction of the vehicle and approximately 6 to 13 ft. (2 to 4 m) away.
- The PKSB (Parking Support Brake) determines that a stronger- than-normal brake operation is necessary to avoid a collision.
- Brake control
- Engine output restriction control is operating.
- The PKSB (Parking Support Brake) determines that an immediate brake operation is necessary to avoid a collision.
■The system will stop operating when
The function will stop operating if any of the following conditions are met:
- Engine output restriction control
- PKSB (Parking Support Brake) system is disabled.
- The system determines that the collision has become avoidable with normal brake operation.
- The static object is no longer approximately 6 to 13 ft. (2 to 4 m) away from the vehicle or in the traveling direction of the vehicle.
- Brake control
- PKSB (Parking Support Brake) system is disabled.
- Approximately 2 seconds have elapsed since the vehicle was stopped by brake control.
- The brake pedal is depressed after the vehicle is stopped by brake control.
- The static object is no longer approximately 6 to 13 ft. (2 to 4 m) away from the vehicle or in the traveling direction of the vehicle.
■Detection range
The detection range of the system differs from the detection range of the intuitive parking assist.
Therefore, even if the intuitive parking assist detects an object and provides a warning, the PKSB (Parking Support Brake) may not start operating.
Moving Vehicles Rear of the Vehicle
If a rear radar sensor detects a vehicle approaching from the right or left at the rear of the vehicle and the system determines that the possibility of a collision is high, this function will perform brake control to reduce the likelihood of an impact with the approaching vehicle.
This function will operate in situations such as the following if a vehicle is detected in the traveling direction of the vehicle.
■ When reversing, a vehicle is approaching and the brake pedal is not depressed, or is depressed late
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■The system will operate when
The function will operate when the driving assist information indicator is not illuminated or flashing and all of the following conditions are met:
- Engine output restriction control
- PKSB (Parking Support Brake) system is enabled.
- The vehicle speed is approximately 9 mph (15 km/h) or less.
- Vehicles which are approaching from the right or left at the rear of the vehicle at a traveling speed of approximately 5 mph (8 km/h) or more.
- The shift lever is in R.
- The PKSB (Parking Support Brake) determines that a stronger than normal brake operation is necessary to avoid a collision with an approaching vehicle.
- Brake control
- Engine output restriction control is operating.
- The PKSB (Parking Support Brake) determines that an emergency brake operation is necessary to avoid a collision with an approaching vehicle.
■The system will stop operating when
The function will stop operating if any of the following conditions are met:
- Engine output restriction control
- PKSB (Parking Support Brake) system is disabled.
- The collision becomes avoidable with normal brake operation.
- A vehicle is no longer approaching from the right or left at the rear of the vehicle.
- Brake control
- PKSB (Parking Support Brake) system is disabled.
- Approximately 2 seconds have elapsed since the vehicle was stopped by brake control.
- The brake pedal is depressed after the vehicle is stopped by brake control.
- A vehicle is no longer approaching from the right or left at the rear of the vehicle.
■Detection range
The detection area of the system differs from the detection area of the RCTA function. Therefore, even if the RCTA function detects a vehicle and provides an alert, the PKSB (Parking Support Brake) system may not start operating.
Driving assist systems
To keep driving safety and performance, the following systems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle.
Summary of the driving assist systems
■ ABS (Anti-lock Brake System)
Helps to prevent wheel lock when the brakes are applied suddenly, or if the brakes are applied while driving on a slippery road surface
■ Brake assist
Generates an increased level of braking force after the brake pedal is depressed when the system detects a panic stop situation
■ VSC (Vehicle Stability Control)
Helps the driver to control skidding when swerving suddenly or turning on slippery road surfaces.
■ Enhanced VSC (Enhanced Vehicle Stability Control)
Provides cooperative control of the ABS, TRAC, VSC and EPS.
Helps to maintain directional stability when swerving on slippery road surfaces by controlling steering performance.
■ TRAC (Traction Control)
Helps to maintain drive power and prevent the drive wheels from spinning when starting the vehicle or accelerating on slippery roads
■ Active Cornering Assist (ACA)
Helps to prevent the vehicle from drifting to the outer side by performing inner wheel brake control when attempting to accelerate while turning
■ Hill-start assist control
Helps to reduce the backward movement of the vehicle when starting on an uphill
■ EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to turn the steering wheel.
■ Dynamic Torque Control AWD system (AWD models)
Automatically controls the drive system such as to front-wheel drive or AWD (all wheel drive) according to various running conditions including normal driving, during cornering, on a uphill, when starting off, during acceleration, on a slippery roads due to snow or rain, thus contributing to stable operability and driving stability.
■ The Secondary Collision Brake
When the SRS airbag sensor detects a collision and the system operates, the brakes and brake lights are automatically controlled to reduce the vehicle speed and help reduce the possibility of further damage due to a secondary collision.
■When the TRAC/VSC systems are operating
The slip indicator light will flash while the TRAC/VSC systems are operating.
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■Disabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power from the engine to the wheels. Pressing
to turn the system off may make it easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly press and release
.
The "Traction Control Turned OFF" will be shown on the multi-information display.
Press
again to turn the system back on.
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■Turning off both TRAC and VSC systems
To turn the TRAC and VSC systems off, press and hold
for more than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on and the "Traction Control Turned OFF" will be shown on the multi-information display.*
Press
again to turn the system back on.
*: PCS will also be disabled (only Pre-Collision warning is available).
The PCS warning light will come on and a message will be displayed on the multi-information display.
■When the message is displayed on the multi-information display showing that TRAC has been disabled even if
has not been pressed
TRAC is temporary deactivated. If the information continues to show, contact your Toyota dealer.
■Operating conditions of hill-start assist control
When the following four conditions are met, the hill-start assist control will operate:
- The shift lever is in a position other than P or N (when starting off forward/backward on an upward incline)
- The vehicle is stopped
- The accelerator pedal is not depressed
- The parking brake is not engaged
- The engine switch is in ON
■Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
- The shift lever is shifted to P or N
- The accelerator pedal is depressed
- The parking brake is engaged
- 2 seconds at maximum elapsed after the brake pedal is released
- The engine switch is in ON
■Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC and hill-start assist control systems
- A sound may be heard from the engine compartment when the brake pedal is depressed repeatedly, when the engine is started or just after the vehicle begins to move. This sound does not indicate that a malfunction has occurred in any of these systems.
- Any of the following conditions may occur when the above systems are operating.
None of these indicates that a malfunction has occurred.
- Vibrations may be felt through the vehicle body and steering.
- A motor sound may be heard also after the vehicle comes to a stop.
- The brake pedal may pulsate slightly after the ABS is activated.
- The brake pedal may move down slightly after the ABS is activated.
■Active Cornering Assist operation sounds and vibrations
When the Active Cornering Assist is operated, operation sounds and vibrations may be generated from the brake system, but this is not a malfunction.
■EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be heard. This does not indicate a malfunction.
■Automatic reactivation of TRAC and VSC systems
After turning the TRAC and VSC systems off, the systems will be automatically re-enabled in the following situations:
- When the engine switch is turned off
- If only the TRAC system is turned off, the TRAC will turn on when vehicle speed increases If both the TRAC and VSC systems are turned off, automatic re-enabling will not occur when vehicle speed increases.
■Operating conditions of Active Cornering Assist
The system operates when the following occurs.
- TRAC/VSC can operate
- The driver is attempting to accelerate while turning
- The system detects that the vehicle is drifting to the outer side
- The brake pedal is released
■Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from overheating when there is frequent steering input over an extended period of time. The steering wheel may feel heavy as a result. Should this occur, refrain from excessive steering input or stop the vehicle and turn the engine off. The EPS system should return to normal within 10 minutes.
■Secondary Collision Brake operating conditions
The system operates when the SRS airbag sensor detects a collision while the vehicle is in motion.
However, the system does not operate when the components are damaged.
■Secondary Collision Brake automatic cancellation
The system is automatically canceled in any of the following situations.
- The vehicle speed drops below approximately 0 mph (0 km/h)
- A certain amount of time elapses during operation
- The accelerator pedal is depressed a large amount
WARNING
■The ABS does not operate effectively when
- The limits of tire gripping performance have been exceeded (such as excessively worn tires on a snow covered road).
- The vehicle hydroplanes while driving at high speed on wet or slick roads.
■Stopping distance when the ABS is operating may exceed that of normal conditions
The ABS is not designed to shorten the vehicle's stopping distance.
Always maintain a safe distance from the vehicle in front of you, especially in the following situations:
- When driving on dirt, gravel or snow-covered roads
- When driving with tire chains
- When driving over bumps in the road
- When driving over roads with potholes or uneven surfaces
■TRAC/VSC may not operate effectively when
Directional control and power may not be achievable while driving on slippery road surfaces, even if the TRAC/VSC system is operating.
Drive the vehicle carefully in conditions where stability and power may be lost.
■Active Cornering Assist does not operate effectively when
- Do not overly rely on Active Cornering Assist. Active Cornering Assist may not operate effectively when accelerating down slopes or driving on slippery road surfaces.
- When Active Cornering Assist frequently operates, Active Cornering Assist may temporarily stop operating to ensure proper operation of the brakes, TRAC and VSC.
■Hill-start assist control does not operate effectively when
- Do not overly rely on hill-start assist control. Hill-start assist control may not operate effectively on steep inclines and roads covered with ice.
- Unlike the parking brake, hill-start assist control is not intended to hold the vehicle stationary for an extended period of time. Do not attempt to use hill-start assist control to hold the vehicle on an incline, as doing so may lead to an accident.
■When the TRAC/VSC is activated
The slip indicator light flashes.
Always drive carefully. Reckless driving may cause an accident.
Exercise particular care when the indicator light flashes.
■When the TRAC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road conditions. As these are the systems to help ensure vehicle stability and driving force, do not turn the TRAC/VSC systems off unless necessary.
■Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and total load capacity. In addition, make sure that the tires are inflated to the recommended tire inflation pressure level.
The ABS, TRAC and VSC systems will not function correctly if different tires are installed on the vehicle.
Contact your Toyota dealer for further information when replacing tires or wheels.
■Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspension will affect the driving assist systems, and may cause a system to malfunction.
■Secondary Collision Brake
Do not rely solely upon the Secondary Collision Brake. This system is designed to help reduce the possibility of further damage due to a secondary collision, however, that effect changes according to various conditions. Overly relying on the system may result in death or serious injury.
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