This bulletin provides information regarding Mazda’s Smart City Brake Support (SCBS) system, which alerts the driver of a possible collision using an indication in the display and a warning sound when the forward sensing camera (FSC) detects a vehicle ahead and determines that a collision with a vehicle ahead is imminent.

In addition, the system reduces damage in the event of a collision by operating the brake control when the system determines that a collision is unavoidable. It may also be possible to avoid a collision depending on the relative speed between the customer’s vehicle and the vehicle ahead.

In addition, when the driver depresses the brake pedal, the brakes are applied firmly and quickly to assist.

Under the following conditions, the SCBS system may not operate normally:

  • The SCBS system will not operate if the driver is performing driving operations (accelerator pedal and steering wheel).
  • The accelerator or brake pedal is depressed.
  • The steering wheel or selector lever is being operated
  • If there is the possibility of partial contact with a vehicle ahead.
  • The vehicle is driven on a slippery road surface such as wet or icy or snow-bound roads.
  • The braking performance is adversely affected due to cold temperatures or wet brakes.
  • The vehicle is driven at the same speed as the vehicle ahead.

Mazda warns: Do not perform operational testing of the smart city brake support system. If the warning indicator light is not illuminated and there are no codes stored in the system, the system is operating properly, and Mazda cannot perform any additional testing of the system.

Dealers and customers should never attempt to test or recreate crash scenarios under any circumstances because that could lead to an accident and injuries.

The SCBS operates when signaled by the forward sensing camera.

The SCBS operates when signaled by the forward sensing camera.

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