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Why is my automatic emergency braking system light flashing?

If the automatic emergency braking (AEB) system light on your vehicle is flashing, it typically indicates that there is an issue with the system that requires attention. The AEB system is designed to detect potential collisions and automatically apply the brakes to help avoid or mitigate an accident. A flashing warning light suggests that the system is not functioning properly and may need to be serviced.


What Causes the AEB Light to Flash?


There are several potential reasons why the AEB light may be flashing on your vehicle:



  • Sensor Malfunction: The AEB system relies on various sensors, such as radar or camera sensors, to detect obstacles and potential collisions. If one or more of these sensors is malfunctioning, the AEB light may flash to indicate a problem with the sensor.

  • System Failure: The AEB system itself may have experienced a failure or malfunction, causing the warning light to activate. This could be due to a software or hardware issue within the system.li>
  • Obstructed Sensors: If the sensors responsible for the AEB system are blocked or obstructed, the system may not be able to function properly, leading to the warning light flashing. This could be caused by dirt, snow, ice, or other debris on the sensors.li>
  • System Deactivation: In some cases, the AEB system may be temporarily deactivated, either by the driver or due to certain driving conditions, causing the warning light to flash.


If the AEB light is flashing, it's important to have the issue diagnosed and addressed as soon as possible to ensure the proper functioning of the safety system.


What to Do if the AEB Light is Flashing


If you notice the AEB light flashing on your vehicle's dashboard, here are the steps you should take:



  • Check for Obstructions: Visually inspect the front of your vehicle, where the AEB sensors are typically located, to ensure that they are not blocked by dirt, snow, ice, or other debris. Clean the sensors if necessary.li>
  • Consult the Owner's Manual: Refer to your vehicle's owner's manual for specific instructions on how to troubleshoot and address AEB system issues. The manual may provide guidance on resetting the system or identifying the cause of the warning light.li>
  • Take it to a Mechanic: If the issue persists or you are unable to resolve it yourself, take your vehicle to a qualified mechanic or the dealership for diagnosis and repair. They will have the necessary tools and expertise to identify and fix the problem with the AEB system.


Addressing a flashing AEB light promptly is important to ensure the safety and proper functioning of your vehicle's advanced driver assistance systems.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.