Mazda 3 Quick Manual page 30

Smart Brake Support (SBS)
The Smart Brake Support (SBS) system alerts the driver of a possible collision
using a display and warning sound if the radar sensor (front) and the Forward
Sensing Camera (FSC) determine that there is the possibility of a collision with a
vehicle ahead while the vehicle is being driven at about 15 km/h or faster (10
mph or faster). Furthermore, if the radar sensor (front) and the Forward Sensing
Camera (FSC) determines that a collision is unavoidable, the automatic brake
control is performed to reduce damage in the event of a collision.
In addition, when the driver depresses the brake pedal, the brakes are applied
firmly and quickly to assist. (Brake Assist (SBS brake assist)).
Do not rely completely on the Smart Brake Support (SBS) system and always
drive carefully:
The Smart Brake Support (SBS) is designed to reduce damage in the event of a
collision, not avoid an accident. The ability to detect an obstruction is limited
depending on the obstruction, weather conditions, or traffic conditions. Therefore, if
the accelerator pedal or brake pedal is mistakenly operated it could result in an
accident. Always verify the safety of the surrounding area and depress the brake pedal
or accelerator pedal while keeping a safer distance from vehicles ahead or on-coming
vehicles.
WARNING
For details, refer to Section 4, "i-ACTIVSENSE".
When Driving
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