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What does the driver monitoring system do on a Subaru?

In brief, Subaru's Driver Monitoring System uses an in-cabin camera to watch your eyes and head, warns you if you're distracted or drowsy, and works with the EyeSight safety suite to keep you focused on the road.


How the driver monitoring system works


The Driver Monitoring System (DMS) is built into Subaru’s EyeSight safety framework. It relies on an in-cabin camera mounted near the windshield to observe the driver's facial cues, head position, and eye activity in real time. When EyeSight is active, the DMS operates continuously to help ensure the driver remains attentive while the vehicle is in motion.


What it watches


The following signals are tracked to assess driver attention and readiness:



  • Eye gaze and head orientation to gauge whether the driver is looking at the road ahead

  • Eyelid movement and signs of drowsiness or reduced alertness

  • Patterns of distraction, such as prolonged looking away from the road

  • Interaction cues with the vehicle’s safety prompts and alerts


These indicators form the basis for when warnings are issued and how the system coordinates with the broader EyeSight safety features.


How it responds to distraction or drowsiness


When inattentiveness or drowsiness is detected, the DMS typically triggers alerts designed to draw the driver's attention back to the road. These alerts can be visual on the instrument cluster and/or audible chimes. The goal is to prompt a quick response from the driver before safety systems intervene more actively.



  • Visual and audible warnings when attention cues slip

  • In some scenarios, the system may adjust how EyeSight features behave to emphasize driver awareness

  • Continued unresponsiveness can lead to escalated warnings and require driver re-engagement to maintain full safety assist functionality


In all cases, the DMS is designed to support the driver, not to replace personal responsibility behind the wheel.


Interaction with EyeSight and other safety features


Subaru positions the DMS as a companion to EyeSight’s driver-assist technologies, including Adaptive Cruise Control (ACC), Lane Keep Assist, and Pre-Collision Braking. The DMS helps ensure those features operate with a driver who is actively paying attention, adding a layer of accountability to automated safeguards.



  • EyeSight Adaptive Cruise Control uses the driver's attention cues to determine whether to maintain, adjust, or disengage distance settings

  • Pre-Collision Braking can be influenced by driver awareness, with alerts escalating if the driver does not respond to warnings

  • Lane-keeping and steering aids are more effective when the system has assurance that the driver is monitoring the road


Sat against a backdrop of safety, the DMS reinforces the importance of human vigilance while benefiting from Subaru’s automated assistance.


Practical guidance for drivers


To help ensure the DMS functions as intended, here are practical considerations for daily use:



  • Maintain a clear line of sight to the windshield-mounted camera by sitting in a normal driving position and avoiding obstructive accessories

  • Avoid excessive glare, hats, or sunglasses that obscure facial features from the camera’s view

  • Keep the windshield and front area clean to minimize sensor glare or reflections

  • Pay attention to warnings promptly; failure to respond can reduce the effectiveness of the safety assist features


If the system issues a warning or an indicator suggests a camera issue, consult the owner's manual or a Subaru dealer for a diagnostic check to ensure proper operation.


Limitations and caveats


The Driver Monitoring System enhances safety, but it is not a substitute for attentive driving. Its accuracy can be influenced by lighting conditions, driver appearance (such as certain headwear or accessories), and rapid or unusual head movements. Subaru emphasizes that drivers remain responsible for maintaining control and staying focused on the road at all times.


Summary


Subaru’s Driver Monitoring System adds a dedicated in-cabin eye-and-head tracking layer to EyeSight’s safety suite. By watching where you look and how alert you are, it issues warnings, helps ensure EyeSight features operate with appropriate driver engagement, and reinforces safe driving habits without replacing human attention. For most drivers, the DMS serves as a proactive reminder to stay focused and ready to respond to safety prompts.

What is the number one issue with Subarus?


Now. So the head gasket. Issue we've heard it over and over again i've made many many videos here on YouTube about it. And lots of repair videos on fixing Subaru head gasket. Issues.



What does the Subaru Driver Monitoring System do?


You can turn off driver focus to do this press the off button to the left of the steering. Column. Driver focus also includes facial recognition. Technology which provides added conveniences.



Can you turn off the Subaru Driver Monitoring System?


Screen. Others here you can turn the driver monitoring system on and off driver Focus also includes facial recognition technology which provides added conveniences.



What does a Driver Monitoring System do?


A Driver Monitoring System is a safety feature involving a sensor (usually a camera) within the car's cockpit that observes the person behind the wheel. It warns drivers when they are drowsy or inattentive to the road and intervenes if the driver has become incapacitated or fails to react to an impending accident.


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.