Toyota Corolla Manuals

Toyota Corolla: PCS (Pre-Collision System) / System functions

■ Pre-collision warning

When the system determines that the possibility of a frontal collision is high, a buzzer will sound and a warning message will be displayed on the multi-information display to urge the driver to take evasive action.

Toyota Corolla. System functions

■ Pre-collision brake assist

When the system determines that the possibility of a frontal collision is high, the system applies greater braking force in relation to how strongly the brake pedal is depressed.

■ Pre-collision braking

If the system determines that the possibility of a frontal collision is extremely high, the brakes are automatically applied to help avoid the collision or reduce the impact of the collision.

WARNING

■Limitations of the pre-collision system

  • The driver is solely responsible for safe driving. Always drive safely, taking care to observe your surroundings. Do not use the pre-collision system instead of normal braking operations under any circumstances. This system will not prevent collisions or lessen collision damage or injury in every situation. Do not overly rely on this system. Failure to do so may lead to an accident, resulting in death or serious injury.
  • Although this system is designed to help avoid a collision or help reduce the impact of the collision, its effectiveness may change according to various conditions, therefore the system may not always be able to achieve the same level of performance. Read the following conditions carefully. Do not overly rely on this system and always drive carefully.
    • • Conditions under which the system may operate even if there is no possibility of a collision.
    • • Conditions under which the system may not operate properly.
  • Do not attempt to test the operation of the pre-collision system yourself. Depending on the objects used for testing (dummies, cardboard objects imitating detectable objects, etc.), the system may not operate properly, possibly leading to an accident.

■Pre-collision braking

  • When the pre-collision braking function is operating, a large amount of braking force will be applied.
  • If the vehicle is stopped by the operation of the pre-collision braking function, the pre-collision braking function operation will be canceled after approximately 2 seconds. Depress the brake pedal as necessary.
  • 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.
  • If the brake pedal is being depressed, the system may determine that the driver is taking evasive action and possibly delay the operation timing of the pre-collision braking function.

■When to disable the pre-collision system

In the following situations, disable the system, as it may not operate properly, possibly leading to an accident resulting in death or serious injury:

  • When the vehicle is being towed
  • When your vehicle is towing another vehicle
  • When transporting the vehicle via truck, boat, train or similar means of transportation
  • When the vehicle is raised on a lift with the engine running and the tires are allowed to rotate freely
  • When inspecting the vehicle using a drum tester such as a chassis dynamometer or speedometer tester, or when using an on vehicle wheel balancer
  • When a strong impact is applied to the front bumper or front grille, due to an accident or other reasons
  • If the vehicle cannot be driven in a stable manner, such as when the vehicle has been in an accident or is malfunctioning
  • When the vehicle is driven in a sporty manner or off-road
  • When the tires are not properly inflated
  • When the tires are very worn
  • When tires of a size other than specified are installed
  • When tire chains are installed
  • When a compact spare tire or an emergency tire puncture repair kit is used
  • If equipment (snow plow, etc.) that may obstruct the radar sensor or front camera is temporarily installed to the vehicle

    PCS (Pre-Collision System)

    The pre-collision system uses a radar sensor and front camera to detect objects (®P.206) in front of the vehicle. When the system determines that the possibility of a frontal collision with an object is high, a warning operates to urge the driver to take evasive action and the potential brake pressure is increased to help the driver avoid the collision...

    Changing settings of the pre-collision system

    ■ Enabling/disabling the pre-collision system The pre-collision system can be enabled/disabled on   of the multi-information display. The system is automatically enabled each time the engine switch is turned to ON...

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