Subaru EyeSight Disabled: Troubleshooting and Manual Checks
Experiencing issues with your Subaru EyeSight system? Begin by manually checking for common culprits. This includes inspecting the windshield for obstructions like dirt, cracks, or even smudged bugs directly in front of the cameras.
Common Reasons for EyeSight System Failure
Several factors can contribute to the temporary or persistent failure of the Subaru EyeSight system. Many of these are easily addressed with a simple manual check. A primary cause involves obstructions blocking the EyeSight cameras’ field of view. This includes anything from a dirty windshield, accumulated dirt, bug splatters, or even condensation buildup on the glass directly in front of the camera lenses. Cracks or chips in the windshield, particularly within the camera’s line of sight, can also impede functionality. Incorrect tire sizes or issues with wheel bearings can also trigger system malfunctions. The EyeSight system relies on precise wheel speed data; mismatched tires or failing wheel bearings can disrupt this data, leading to errors and system deactivation. Environmental factors also play a significant role. Heavy rain, snow, dense fog, or bright sunlight directly shining into the cameras can temporarily blind the system, causing it to disengage. Furthermore, sensor misalignment due to impacts or other mechanical issues can also lead to system failure, often requiring professional recalibration. Software glitches, though less frequent, can also cause temporary disruptions. Finally, ensure that the vehicle’s battery is in good condition, as a weak battery can sometimes trigger false error codes and affect the EyeSight system’s operation. Addressing these common issues can often resolve EyeSight problems without requiring a trip to the dealership.
Checking for Obstructions and Cleanliness
A crucial step in troubleshooting EyeSight issues is a thorough inspection for obstructions and cleanliness. The EyeSight system relies on two cameras mounted near the rearview mirror, and any impediment to their vision can cause malfunctions. Begin by carefully examining the windshield, both inside and out, directly in front of the cameras. Look for dirt, grime, bug splatters, or any other residue that might obscure the lenses. Use a high-quality glass cleaner and a clean microfiber cloth to thoroughly clean the windshield, paying particular attention to the area in front of the cameras. Avoid using abrasive cleaners or harsh chemicals that could damage the glass or the camera lenses. Next, inspect the camera lenses themselves. Use a lens cleaning wipe or a soft, dry microfiber cloth to gently clean the lenses. Be extremely careful not to apply too much pressure, as the lenses are delicate and can be easily scratched. Check for any condensation or fogging inside the vehicle, as this can also obstruct the cameras’ view. Ensure that the vehicle’s ventilation system is working properly to prevent condensation buildup. Also, be mindful of objects placed on the dashboard that might reflect in the windshield and interfere with the cameras’ vision. Remove any such items to ensure a clear and unobstructed view. Regularly cleaning the windshield and camera lenses is a simple yet effective way to prevent EyeSight problems and maintain optimal system performance. Don’t underestimate the impact of a clean windshield on the EyeSight system’s ability to function correctly.
Inspecting the Windshield
The windshield plays a vital role in the proper functioning of the Subaru EyeSight system. Because the EyeSight cameras rely on a clear and unobstructed view of the road ahead, any imperfections or damage to the windshield can significantly impact the system’s performance. A meticulous inspection of the windshield is therefore essential when troubleshooting EyeSight issues. Begin by visually examining the windshield for any cracks, chips, or stars. Even small imperfections can distort the cameras’ view and cause the system to malfunction. Pay close attention to the area directly in front of the EyeSight cameras, as this is where any damage will have the most significant impact. Next, check for any scratches or abrasions on the windshield’s surface. These can be caused by wiper blades, road debris, or even improper cleaning techniques. Scratches can scatter light and create glare, making it difficult for the cameras to accurately interpret the images they capture. Also, look for any delamination, which is a separation of the layers of glass that make up the windshield. Delamination can cause distortion and reduce the clarity of the view. In addition to physical damage, also check for any aftermarket window tinting or films that may have been applied to the windshield. These films can interfere with the cameras’ ability to detect objects and lane markings, leading to EyeSight malfunctions. If you find any damage or imperfections on the windshield, it is crucial to have it repaired or replaced by a qualified technician. Ignoring windshield damage can not only compromise the EyeSight system but also affect the vehicle’s overall safety. A damaged windshield is more likely to shatter in an accident, increasing the risk of injury to the occupants. Remember, a clear and intact windshield is essential for the EyeSight system to function correctly and ensure your safety on the road.
Tire Size and Wheel Bearing Issues
While seemingly unrelated, tire size and wheel bearing issues can surprisingly affect the functionality of your Subaru’s EyeSight system. EyeSight relies on precise data from various sensors, including wheel speed sensors, to accurately assess the vehicle’s movement and surroundings. Deviations in tire size or problems with wheel bearings can disrupt this data, leading to EyeSight malfunctions. Let’s delve into how these issues can impact the system. Incorrect tire sizes, even if they seem minor, can throw off the wheel speed sensor readings. EyeSight uses these readings to calculate the vehicle’s speed, acceleration, and deceleration. If the tires are not the correct size, the wheel speed sensors will provide inaccurate data, potentially causing the system to misinterpret the vehicle’s movements. This can result in EyeSight features such as adaptive cruise control and lane keep assist not functioning correctly, or even disengaging altogether. It’s crucial to ensure that all four tires are the same size, brand, and model, and that they are inflated to the recommended pressure. Refer to your vehicle’s owner’s manual or the tire placard on the driver’s side doorjamb for the correct tire specifications. Furthermore, worn or damaged wheel bearings can also interfere with EyeSight’s operation. Wheel bearings allow the wheels to rotate smoothly and freely. When they start to fail, they can create excessive play or wobble in the wheel, which can affect the accuracy of the wheel speed sensor readings. A faulty wheel bearing can also generate vibrations that can disrupt the EyeSight cameras’ ability to focus and interpret images correctly. If you suspect a problem with your wheel bearings, it’s essential to have them inspected and replaced by a qualified mechanic. Symptoms of failing wheel bearings include a grinding or humming noise coming from the wheels, especially when turning, as well as excessive play or movement in the wheel when you try to shake it. Regularly checking your tire size and maintaining your wheel bearings are crucial for ensuring the proper functioning of your Subaru’s EyeSight system. Addressing these issues promptly can prevent EyeSight malfunctions and ensure your safety on the road.
Resetting the EyeSight System
If you’ve addressed potential external issues and your EyeSight system remains disabled, a system reset might be necessary. This process involves using the vehicle’s on-board controls to restore the EyeSight system to its default settings, potentially resolving software glitches.
Performing a System Reset via On-Board Controls
Resetting your Subaru’s EyeSight system through the on-board controls can often resolve temporary glitches or software errors that may be causing the system to malfunction. Before initiating the reset, ensure your vehicle is parked on a level surface in a safe location. The following steps outline a general procedure, but it’s crucial to consult your vehicle’s owner’s manual for specific instructions tailored to your model year, as the exact menu options and terminology can vary.
Step 1: Access the Settings Menu. Start by turning on your vehicle’s ignition. Using the buttons on your steering wheel, navigate to the main settings menu on your vehicle’s multi-information display. This is often accessed by pressing the “Info” or “Settings” button repeatedly until the appropriate menu appears. The exact button and menu names may differ based on your Subaru model.
Step 2: Locate the EyeSight Settings. Within the settings menu, look for options related to “Driver Assist,” “Safety,” or specifically “EyeSight.” You may need to scroll through several pages to find the relevant sub-menu. Once located, select the EyeSight settings option to proceed.
Step 3: Select the Reset Option. Inside the EyeSight settings, you should find an option to “Reset,” “Initialize,” or “Clear.” This option will typically revert the EyeSight system back to its factory default settings. Be aware that this will erase any personalized settings you may have configured for the system.
Step 4: Confirm the Reset. Before the reset is performed, the system will likely prompt you to confirm your decision. Read the on-screen instructions carefully and select “Yes” or “OK” to proceed. The system may take a few moments to complete the reset process. Do not turn off the vehicle during this time.
Step 5: Test the System. After the reset is complete, turn off the vehicle, remove the key from the ignition (or press the start/stop button to turn the vehicle completely off), and wait for a few minutes. This allows the system to fully reset. Restart the vehicle and check if the EyeSight system is now functioning correctly. Drive the vehicle in a safe environment to test the various EyeSight features, such as adaptive cruise control and lane keep assist. If the problem persists after the reset, further troubleshooting or professional diagnosis may be necessary.
Important Considerations:
- Owner’s Manual: Always refer to your vehicle’s owner’s manual for detailed instructions specific to your model.
- Battery Condition: Ensure your vehicle’s battery is in good condition, as a weak battery can sometimes interfere with electronic systems.
- Calibration: In some cases, a reset may require the EyeSight system to be recalibrated, especially if the windshield has been replaced or the cameras have been adjusted.
Professional Calibration and Diagnosis
If troubleshooting and system resets fail to restore EyeSight functionality, professional diagnosis is crucial. Dealerships possess specialized tools and expertise to pinpoint underlying issues. Calibration might be necessary, especially after windshield replacement or camera adjustments, for optimal performance.
When to Consult a Dealership
Knowing when to seek professional help for your Subaru EyeSight system is critical for ensuring its proper function and your safety on the road. While basic troubleshooting steps like cleaning the windshield or performing a system reset can resolve some issues, certain situations necessitate the expertise of a certified Subaru technician. If you’ve exhausted all readily available solutions and the EyeSight system remains disabled or continues to malfunction, it’s time to schedule a visit to your local Subaru dealership.
One key indicator that professional intervention is required is the presence of persistent warning lights or error messages related to the EyeSight system on your dashboard. These alerts often signify more complex problems that cannot be resolved through simple at-home fixes. Similarly, if you notice erratic behavior from the system, such as sudden braking or lane departure warnings when no actual hazard exists, a thorough diagnostic evaluation is essential.
Furthermore, any event that could potentially affect the alignment or calibration of the EyeSight cameras warrants a professional assessment. This includes collisions, even minor ones, as well as windshield replacements or any repairs involving the front of the vehicle. Even if the system appears to be functioning normally after such an event, it’s best to have it checked by a technician to ensure that it’s operating within the manufacturer’s specifications.
Moreover, if you’ve attempted a system reset using the on-board controls but the issue persists, it’s unlikely that further self-troubleshooting will be effective. In such cases, the problem may stem from a faulty sensor, a software glitch, or a more intricate mechanical issue that requires specialized tools and diagnostic equipment to identify and resolve.
Finally, if you’re simply uncomfortable or unsure about performing any troubleshooting steps on your own, it’s always a good idea to err on the side of caution and consult a professional. Subaru dealerships have trained technicians who are intimately familiar with the EyeSight system and can quickly and accurately diagnose any problems you may be experiencing. By entrusting your vehicle to their care, you can rest assured that the issue will be resolved correctly and that your EyeSight system will be restored to its optimal working condition.
Recalibration Requirements
The Subaru EyeSight system relies on precisely calibrated cameras to accurately perceive the surrounding environment and enable its various safety features. Recalibration ensures that the cameras are properly aligned and that the system is functioning within the manufacturer’s specifications. Several situations necessitate recalibration to maintain the EyeSight system’s effectiveness and prevent potential malfunctions. Understanding these requirements is crucial for ensuring your safety and maximizing the benefits of this advanced driver-assistance technology.
One of the most common reasons for recalibration is a windshield replacement. The EyeSight cameras are mounted behind the windshield, and any changes to the glass can affect their alignment. Even if the new windshield is installed perfectly, slight variations in thickness or curvature can impact the cameras’ ability to accurately perceive depth and distance. Therefore, it’s essential to have the EyeSight system recalibrated after any windshield replacement, regardless of the reason for the replacement.
Similarly, any repairs involving the front of the vehicle, such as collision repairs or even front-end alignments, can potentially disrupt the EyeSight system’s calibration. Even minor impacts can shift the cameras’ position, leading to inaccurate readings and compromised performance. As a result, it’s recommended to have the system checked and recalibrated after any front-end repairs, even if there are no visible signs of damage to the cameras or windshield.
In addition to physical repairs, certain software updates or system resets may also require recalibration. Subaru occasionally releases software updates for the EyeSight system to improve its performance or address known issues. These updates can sometimes affect the camera calibration, necessitating a recalibration procedure to ensure optimal functionality. Similarly, if the EyeSight system has been reset due to a malfunction or other reason, recalibration may be necessary to restore its proper alignment and settings.
Furthermore, significant changes to the vehicle’s suspension or ride height can also impact the EyeSight system’s calibration. If you’ve installed aftermarket suspension components or modified the vehicle’s ride height in any way, it’s crucial to have the system recalibrated to account for these changes. Failure to do so can result in inaccurate readings and compromised performance, potentially leading to safety hazards.
Finally, if you notice any unusual behavior from the EyeSight system, such as erratic braking, lane departure warnings when no lane departure is occurring, or a general sense that the system is not functioning as intended, it’s essential to have it checked and recalibrated by a qualified Subaru technician. These symptoms may indicate that the cameras are misaligned or that the system requires a software update or other adjustment.