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What is the BSM system in Lexus?

The Lexus Blind Spot Monitor (BSM) system is a cutting-edge technology designed to enhance driving safety and awareness. This advanced feature is available on select Lexus models, providing drivers with an extra layer of protection against potential collisions.


What is the Lexus BSM System?


The Lexus BSM system is a driver assistance feature that uses radar sensors to detect vehicles in the driver's blind spots. When a vehicle is detected in the blind spot, the system will illuminate a warning indicator on the corresponding side-view mirror, alerting the driver to the presence of the vehicle. This helps the driver make safer lane changes and maneuvers, reducing the risk of accidents.


How Does the Lexus BSM System Work?


The Lexus BSM system utilizes radar sensors installed on the rear bumper of the vehicle. These sensors continuously monitor the areas on both sides of the car, known as the blind spots. When a vehicle is detected in the blind spot, the system will activate the corresponding side-view mirror indicator, providing a visual warning to the driver.


In addition to the visual warning, the Lexus BSM system also features a Rear Cross-Traffic Alert (RCTA) function. This feature uses the same radar sensors to detect vehicles approaching from the left or right when the driver is backing up, further enhancing the driver's awareness and safety.


Benefits of the Lexus BSM System



  • Improved Driving Safety: The Lexus BSM system helps drivers avoid potential collisions by alerting them to the presence of vehicles in their blind spots, reducing the risk of accidents during lane changes and merging maneuvers.

  • Enhanced Awareness: The system provides an additional layer of awareness, allowing drivers to make more informed decisions and maneuver their vehicles with greater confidence.

  • Convenience and Peace of Mind: The Lexus BSM system operates automatically, freeing the driver from the need to constantly check their blind spots, which can be particularly useful in heavy traffic or during long drives.


The Lexus BSM system is a testament to the brand's commitment to driver safety and innovation. By leveraging advanced radar technology, Lexus has developed a feature that can significantly enhance the driving experience and help keep both the driver and their passengers safe on the road.

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Kevin Bennett

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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.