What is a backward release

Mazda 2: City Emergency Brake Assist [reverse] (SCBS R)

The City Emergency Brake Assist [backwards] (SCBS R) is a system that is intended to reduce damage in the event of a collision by releasing the brakes (SCBS brakes); when the ultrasonic sensors detect an obstacle on the rear of the vehicle at a driving speed of 2 to 8 km / h and determine that a collision cannot be avoided.


WARNING

Do not fully rely on the City Emergency Brake Assist [reverse] (SCBS R):

  • The City Emergency Brake Assist [backwards] (SCBS R) is intended to reduce damage in the event of a collision. Accidentally depressing the accelerator or brake pedal while relying too much on the system could result in an accident.
  • To ensure trouble-free operation of the City Emergency Brake Assist [reverse] (SCBS R), you must observe the following precautionary measures.
  • Do not apply any glue (not even transparent glue) to the ultrasonic sensor (rear). Otherwise it is possible that the ultrasonic sensor (rear) cannot correctly detect vehicles and obstacles, which can cause an accident.
  • The ultrasonic sensor (rear) must not be removed.
  • If cracks or damage caused by thrown stones are found in the vicinity of the ultrasonic sensor (back), you should no longer use the City Emergency Brake Assist [reverse] (SCBS R) and have the vehicle immediately checked by a specialist, we recommend an authorized Mazda dealer / Have your service partner checked. If the vehicle continues to be used with cracks or scratches in the vicinity of the ultrasonic sensor, an accidental activation of the system may result.

    See "Turning Off City Emergency Brake Assist [reverse] (SCBS R)" on.

  • Contact a specialist to replace the rear bumper; we recommend an authorized Mazda dealer / service partner.

Do not make any changes to the suspension: If the vehicle height or inclination changes, the City Emergency Brake Assist [reverse] (SCBS R) cannot function properly because obstacles can be detected incorrectly.

No large forces may act on the ultrasonic sensor (rear): When washing the vehicle, a high-pressure water jet must not be directed against the ultrasonic sensor (rear) and the area must not be rubbed with great force. In addition, ensure that you do not hit the rear bumper when loading and unloading luggage, otherwise the sensors may not correctly detect obstacles, which can cause malfunctions in the City Emergency Brake Assist [reverse] (SCBS R) or incorrect activation.

 

ATTENTION

  • It is recommended to switch off the City Emergency Brake Assist [reverse] (SCBS R) in areas with grass or green areas.
  • Only use tires with the prescribed dimensions, from the same manufacturer, the same type and with the same tire profile on all four wheels. In addition, do not use tires with very different wear levels. Do not use tires with very different levels of wear.

    Otherwise the City Emergency Brake Assist [reverse] (SCBS R) may malfunction.

  • If the ultrasonic sensors (rear) are covered with ice or snow, it is possible that obstacles cannot be correctly detected. In these cases, system malfunctions can occur. You should therefore always drive carefully and carefully observe the area behind the vehicle.

 

NOTE

  • The vehicle position can change depending on the accelerator or brake pedal operation and the operation of the steering wheel, so that difficulties can arise when detecting obstacles or the system is triggered unnecessarily. In such cases, the City Emergency Brake Assist [reverse] (SCBS R) may malfunction.
  • The City Emergency Brake Assist [reverse] (SCBS R) works under the following conditions.
  • Running engine.
  • The shift lever (manual transmission) or the selector lever (automatic transmission) is in position R (reverse gear).
  • The vehicle speed is between approximately 2 to 8 km / h.
  • The City Emergency Brake Assist [reverse] (SCBS R) is not switched off.
  • No disturbance of the dynamic stability control.
  • The City Emergency Brake Assist [backwards] (SCBS R) is triggered by the ultrasonic sensors (rear), obstacles are detected by the ultrasonic waves reflected by the obstacles.
  • In the following cases, the ultrasonic sensors (rear) cannot correctly detect an obstacle and the City Emergency Brake Assist [reverse] (SCBS R) cannot be triggered.
  • The obstacle is low, such as low walls or trucks with a low bed.
  • The obstacle is high, like trucks with a high loading platform.
  • The obstacle is small.
  • The obstacle is thin, like a signpost.
  • The obstacle is away from the center of the vehicle.
  • The surface of the obstacle is not perpendicular to the vehicle.
  • The obstacle is soft, like a curtain or snow clinging to a vehicle.
  • The obstacle has an irregular shape.
  • The obstacle is very close.
  • In the following cases, the ultrasonic sensors (rear) cannot correctly detect an obstacle and the City Emergency Brake Assist [reverse] (SCBS R) cannot be triggered.
  • Something is stuck to the bumper near the ultrasonic sensor (rear).
  • The steering wheel is turned strongly or the accelerator or brake pedal is pressed.
  • There is a second obstacle near the obstacle.
  • In unfriendly weather conditions, such as rain, fog or snow.
  • High or low humidity.
  • High or low temperatures.
  • Strong wind.
  • The path is bumpy.
  • Heavy luggage is in the luggage compartment or on the back seats.
  • Objects such as a wireless antenna, a fog lamp or an illuminated license plate are mounted near the ultrasonic sensor (rear).
  • The alignment of an ultrasonic sensor (rear) has changed due to an impact.
  • The vehicle is exposed to other sound waves such as a horn, engine noise, or an ultrasonic sensor from another vehicle.
  • In the following cases, an ultrasonic sensor (rear) can detect something that can trigger the City Emergency Brake Assist [reverse] (SCBS R).
  • Driving on steep inclines and declines.
  • Wheel chocks.
  • Curtains, poles, like a toll booth or a railroad crossing.
  • When passing near leaves, barriers, vehicles, walls, and fences.
  • When driving off-road in places with grass or hay.
  • When passing low or narrow gates, vehicle washes and tunnels.
  • A hitch is installed or a trailer is being pulled.
  • (Manual transmission) If the vehicle is stopped with the City Emergency Brake Assist (SCBS) and the clutch pedal is not pressed, the engine will be switched off.
  • The warning display (yellow) of the City Emergency Brake Assist (SCBS) lights up in the event of a system fault.

    See "Warning Lights" on.

City Emergency Brake Assist (SCBS) indicator light (red)

When the City Emergency Brake Assist (SCBS) responds, the indicator light (red) flashes.


Display of the automatic brake actuation

"SCBS brakes automatically" is displayed on the Active Driving display after the SCBS brakes are applied.


NOTE

  • The acoustic impact warning signal sounds when the SCBS brake is actuated.
  • If the vehicle is stopped using the City Emergency Brake Assist (SCBS) without pressing the brake pedal, the acoustic warning signal sounds once after approximately 2 seconds and the City Emergency Brake Assist (SCBS) is automatically released.

Switching off the City Emergency Brake Assist [reverse] (SCBS R)

The City Emergency Brake Assist [reverse] (SCBS R) can be temporarily deactivated.

When the City Emergency Brake Assist [reverse] (SCBS R) is switched off, the control lamp for the City Emergency Brake Assist (SCBS) OFF is switched on.


When the engine is restarted, the system is ready for operation.

If the DSC OFF switch is pressed to switch off the dynamic stability control, the City Emergency Brake Assist [reverse] (SCBS R) is also switched off and the control lamp for the City Emergency Brake Assist (SCBS) OFF is switched on.

Without SCBS OFF switch See "Individual Settings" on.

With SCBS OFF switch Press the SCBS OFF switch to turn off the system.

The control lamp of the City Emergency Brake Assist (SCBS) OFF lights up in the dashboard.


Press the switch again to turn the system back on. The City Emergency Brake Assist (SCBS) OFF indicator light is switched off.

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