What is the problem with the Subaru EyeSight system?

EyeSight offers driver-assist features like adaptive cruise control and pre-collision braking, but it is not flawless. The system can brake unexpectedly, miss pedestrians or vehicles in some conditions, and relies on a front-facing camera, so performance hinges on visibility and proper calibration. It should not replace attentive driving.

Understanding EyeSight: how it works

Subaru’s EyeSight uses twin cameras mounted behind the windshield to monitor the road ahead. It provides adaptive cruise control with stop-and-go, pre-collision braking, lane departure warning, and lane-keeping assist in many models, with some versions also offering traffic sign recognition. The effectiveness of these features depends on a clear view of the road, proper calibration, and up-to-date software.

Where it struggles: limitations and problems

Despite its benefits, EyeSight faces real-world limitations that can affect performance. The following issues are among the most commonly reported by owners and reviewers, and by safety regulators in certain contexts.

Weather, visibility, and sensor performance

Rain, snow, fog, spray from other vehicles, glare, or a dirty windshield can obscure the cameras’ view and degrade detection of vehicles, pedestrians, or lane markings. In such conditions, EyeSight may be slow to react or may not engage as intended.

Calibration, windshield, and maintenance

The front cameras rely on precise alignment. If the windshield is replaced, damaged, or not properly serviced, EyeSight calibration can drift. Regular maintenance and ensuring a clean, unobstructed camera area help maintain performance, and recalibration is often required after windshield work.

Pedestrian and cyclist detection limitations

EyeSight can detect pedestrians and cyclists, but detection is not perfect. Performance tends to be better in daylight and with higher-contrast clothing; at night or with low-visibility clothing, the system may not recognize a person in time to avoid a collision.

Lane keeping and speed management in complex environments

In construction zones, on poorly marked roads, or in winding or irregular lanes, EyeSight can misinterpret lane lines or reduce responsiveness. Some users report abrupt or unnecessary steering corrections or braking in situations where human judgment would be more appropriate.

Real-world concerns: recalls, safety notices, and guidance

Over the years, Subaru and safety regulators have issued recalls and service campaigns related to EyeSight in certain model years. Issues have included unintended braking, calibration mismatches, and software-related anomalies. If you own a Subaru with EyeSight, verify your VIN for any open recalls on official channels such as Subaru’s recall site or the NHTSA database, and install any available updates or service campaigns.

What to do if EyeSight misbehaves

If you notice unexpected braking, false alerts, or missed detections, contact an authorized Subaru service center. Do not rely on EyeSight as a substitute for your own judgment or hand-eye coordination, and ensure software updates are installed and the system is recalibrated after windshield work or other maintenance.

Practical tips to maximize EyeSight performance

To help EyeSight operate as intended, consider these steps before driving and after maintenance or windshield work.

• Keep the windshield area around the rearview mirror clean and free of obstructions so the cameras have a clear view.


• Regularly update the vehicle’s software and ensure any recalls or service campaigns are completed.


• Have EyeSight recalibrated after windshield replacement, damage, or any event that might affect camera alignment.


• Maintain a safe following distance and avoid relying solely on EyeSight; stay attentive and ready to take control.


• Be aware that performance can vary with weather, road conditions, and visibility; adjust driving accordingly.

By staying proactive about maintenance and using EyeSight as a supporting aid rather than a substitute for driver vigilance, you can maximize its benefits while acknowledging its limits.

Summary

Subaru EyeSight can enhance safety with features such as adaptive cruise control and pre-collision braking, but its performance is not infallible. Weather, visibility, camera calibration, and detection gaps can lead to false activations or missed hazards. Drivers should remain attentive, perform regular software updates and calibrations when needed, and verify any recalls for their specific model year and VIN. In short, EyeSight is a helpful aid, not a replacement for responsible driving.

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How to reset Subaru EyeSight system?

To reset the Subaru EyeSight system, first try the easiest method: cycle the ignition and drive for a short distance; the system may reset automatically. If that doesn't work, a more thorough reset involves disconnecting the car's battery for about 15 minutes before reconnecting it. For specific issues like after a new windshield, the system requires a professional recalibration that can take time. 
This video explains how to troubleshoot and reset the Subaru EyeSight system: 57sVehicle FreakYouTube · Sep 20, 2023
Method 1: The easiest approach

• Turn the car off and then restart it. This can often clear temporary glitches.
• Drive the car normally for a short distance. Some issues may resolve themselves after the system receives a short period of normal sensor data. 

Method 2: Disconnect the battery 

• Park the vehicle in a safe location and turn it off. 
• Open the hood and disconnect the negative battery terminal, followed by the positive terminal. 
• Wait for at least 15 minutes to allow the system to fully power down. 
• Reconnect the positive terminal first, then the negative terminal. 
• Start the car. The system should reset, but it may take some time to fully initialize. 

You can watch this video to learn how to disconnect the car battery to reset the EyeSight system: 1mTom LeemanYouTube · Sep 1, 2024
Method 3: Recalibration (professional service)

• If the system is not resetting after a new windshield, a bad wheel bearing, or other work that affects its sensors, it will need a professional recalibration. 
• A technician will use specialized tools to recalibrate the EyeSight system. This is a more involved process and is necessary for the system to function correctly. 

This video explains how to recalibrate the EyeSight system: 59sNexologyYouTube · Oct 21, 2025
Before you begin

• Ensure all cameras and sensors are clean and unobstructed by dirt, snow, or debris. 
• Make sure the vehicle is parked on a level surface. 
• If you have any concerns or if the problem persists after trying these methods, contact a Subaru dealer for assistance.

What causes Subaru EyeSight to malfunction?

Subaru EyeSight malfunctions are caused by external factors like weather and windshield obstructions, internal issues like a weak battery or software problems, and maintenance issues such as incorrect tire size or a need for sensor recalibration. Common causes include poor visibility from heavy rain, snow, fog, or a dirty windshield, as well as things blocking the cameras like stickers or sun glare. 
External and environmental factors

• Weather: Heavy rain, snow, fog, or whiteout conditions can temporarily blind the cameras. 
• Windshield obstructions: Anything blocking the camera's view, such as stickers, toll passes, frost, dirt, or condensation, can cause a temporary shutdown. 
• Direct sunlight: Driving directly into a low sunrise or sunset can temporarily blind the cameras. 
• Window tinting: Certain types of window tinting on the windshield can obstruct the cameras' view. 

Internal and system issues

• Weak battery: A low voltage battery can cause the system to temporarily shut down, especially during startup. 
• Software glitches: The system may need a software update to fix bugs or compatibility problems. 
• Communication errors: The system may malfunction if it cannot communicate with other modules like the engine, steering, or ABS. 
• Extended parking: The system can deactivate if the car has been parked for a long time. 

Maintenance and calibration

• Incorrect tires: The system may turn off if the wrong size, unevenly worn, or temporarily repaired tires are installed. 
• Recalibration needed: The EyeSight system requires periodic calibration. If the calibration is off, it can lead to malfunctions. 
• Modified suspension: Modifications to the vehicle's suspension can cause issues. 
• Dirty headlights or modified lights: Dirty, frosted, or modified headlights and fog lights can make it difficult for the system to see correctly. 

What to do

• Check the simple things first: Ensure the windshield is clean and clear of any objects, frost, or condensation. 
• Consult the owner's manual: It provides specific instructions for potential causes and when to see a dealer. 
• If the problem persists, see a professional: If the warning remains after clearing external obstructions, the problem could be an internal or mechanical one that requires a visit to a Subaru service retailer for diagnosis and repair. 

How much does it cost to replace the EyeSight on a Subaru?

Subaru EyeSight repair costs vary widely, but typically range from \$1000 to over \$2000 for a windshield replacement, with recalibration costs being a significant factor. A standalone recalibration can cost \$175 to \$800 or more, depending on the shop. Factors like labor, whether an OEM or aftermarket windshield is used, and your insurance coverage all affect the final price. 
Windshield replacement

• Standard replacement with EyeSight: Expect to pay between \$1000 and \$1800+, as the windshield needs to be OE (Original Equipment) quality and often includes the cost of recalibration. 
• Cost factors:
  • OEM vs. Aftermarket: Subaru dealership prices will be higher for OEM glass, while aftermarket options are generally less expensive. 
  • Labor: The total cost includes the part and the labor for installation. 

Recalibration

• When it's needed: EyeSight calibration is necessary after a windshield replacement because the cameras mounted on the windshield need to be realigned to ensure they can accurately detect objects. 
• Cost: The recalibration itself can cost anywhere from \$175 to \$800+, with some shops charging more than others. 
• Dealership vs. independent shops: Dealerships are often recommended for correct calibration, but independent shops may be cheaper. Some shops report that a recalibration is not always needed after a simple windshield swap, though this carries risks. 

Insurance

• Comprehensive coverage: If you have comprehensive auto insurance, the cost may be reduced to just your deductible.
• Windshield coverage: Some policies may offer specific glass coverage with a lower deductible.
• Filing a claim: Your insurance company can often help with the process of filing a claim for the replacement and calibration. 

Other potential costs

• Component replacement: In rare cases, a damaged EyeSight camera itself may need to be replaced, which can be very expensive, costing thousands of dollars. 
• Diagnostic fees: Some shops charge a diagnostic fee for EyeSight-related issues, which may or may not be credited towards the repair.