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Mazda 3 Owners Manual: Smart City Brake Support (SCBS)

Mazda 3 Owners Manual / When Driving / i-ACTIVSENSE / Smart City Brake Support (SCBS)

The Smart City Brake Support (SCBS) system is designed to reduce damage in the event of a collision by operating the brake control (SCBS brake) when the system's laser sensor (front) detects a vehicle ahead and determines that a collision with a vehicle ahead is unavoidable. It may also be possible to avoid a collision if the relative speed between your vehicle and a vehicle ahead is less than about 15 km/h (9.3 mph).

In addition, when the driver depresses the brake pedal while the system is in the operation range at about 4 to 30 km/h (2 to 18 mph), the brakes are applied firmly and quickly to assist. (Brake Assist (SCBS brake assist))

Mazda 3. Smart City Brake Support (SCBS)


WARNING Do not rely on the Smart City Brake Support System (SCBS) as a substitute for safer driving: The Smart City Brake Support (SCBS) system cannot compensate for unsafe and reckless driving, excessive speed, tailgating (following another vehicle too closely), and driving on slippery roads such as wet, snowy, and icy roads (reduced tire friction and road contact because of water on the road surface). You can still have an accident.

Do not rely completely on the Smart City Brake Support (SCBS) system:

  • The Smart City Brake Support (SCBS) system is only designed to reduce damage in the event of a collision. Over reliance on the system leading to the accelerator pedal or brake pedal being mistakenly operated could result in an accident.
  • The Smart City Brake Support (SCBS) is a system which operates in response to a vehicle ahead. The system may not be able to detect or react to 2-wheeled vehicles or pedestrians.
  • The laser sensor (front) for the Smart City Brake Support (SCBS) system is installed near the rearview mirror. To assure the correct operation of the Smart City Brake Support (SCBS), heed the following cautions.
  • Do not apply stickers to the surface of the windshield near the laser sensor (front) (including transparent stickers). Otherwise, the laser sensor (front) may not be able to detect vehicles ahead which could result in an accident.
  • Do not apply coating agent to the windshield. Otherwise, the laser sensor (front) may not be able to detect vehicles or obstructions in front which could result in an accident.
  • Do not disassemble the laser sensor (front).
  • If cracks or damage caused by fl ying gravel or debris is visible near the laser sensor (front), stop using the Smart City Brake Support (SCBS) system immediately and have your vehicle inspected by an Authorized Mazda Dealer. If the vehicle continues to be driven with cracks or scratch marks left on the windshield near the laser sensor (front), the system may operate unnecessarily and cause an unexpected accident.

    Refer to Stopping The Smart City Brake Support (SCBS) System Operation on

  • When replacing the windshield wipers or windshield, consult an Authorized Mazda Dealer.

Do not modify the suspension: If the vehicle height or inclination is changed, the system will not be able to correctly detect vehicles ahead. This will result in the Smart City Brake Support (SCBS) system not operating normally or mistakenly operating, which could cause a serious accident.

Turn off the Smart City Brake Support (SCBS) when the vehicle is running on a chassis roller or being towed: Turn off the Smart City Brake Support (SCBS) system to prevent mistaken operation when the vehicle is running on a chassis roller or being towed. See the next page on how to turn off the Smart City Brake Support (SCBS).

Refer to Stopping The Smart City Brake Support (SCBS) System Operation on .

CAUTION
  • When driving off -road in areas where there is grass or forage, it is recommended that the Smart City Brake Support (SCBS) system be turned off .
  • Always use tires for all wheels that are of the specifi ed size, and the same manufacturer, brand, and tread pattern. In addition, do not use tires with signifi cantly diff erent wear patterns on the same vehicle as the Smart City Brake Support (SCBS) system may not operate normally.
  • The laser sensor (front) includes a function for detecting a soiled windshield and informing the driver, however, depending on the conditions, it may not detect plastic shopping bags, ice or snow on the windshield. In such cases, the system cannot accurately determine a vehicle ahead and may not be able to operate normally. Always drive carefully and pay attention to the road ahead.

NOTE

Smart City Brake Support (SCBS) Indicator Light (Red)

If the Smart City Brake Support (SCBS) is operating, the indicator light (red) flashes.

Mazda 3. Smart City Brake Support (SCBS) Indicator Light (Red)


Stopping the Smart City Brake Support (SCBS) System Operation

The Smart City Brake Support (SCBS) system can be temporarily deactivated.

Refer to Personalization Features on .

When the Smart City Brake Support (SCBS) system is turned off, the Smart City Brake Support (SCBS) OFF indicator light turns on.

Mazda 3. Stopping the Smart City Brake Support (SCBS) System Operation


When the engine is restarted, the system becomes operational.

NOTE When the DSC OFF switch is pressed to stop the DSC operation, the Smart City Brake Support (SCBS) system operation also stops and the Smart City Brake Support (SCBS) OFF indicator light turns on.

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