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A reliable GPS system is crucial for navigating smoothly, especially when driving to unfamiliar places. Subaru’s built-in GPS is a convenient feature, but like any tech, it can sometimes experience glitches. If your Subaru GPS isn’t working as expected, this guide will help you identify and resolve common issues, ensuring you get back on the road without worry.

Common Subaru GPS Issues

Before jumping into the fixes, it's helpful to understand the types of issues you might encounter with Subaru GPS:

  1. Signal Loss: The GPS system may have trouble connecting to satellites, leading to inaccurate positioning or a “No Signal” message.
  2. Frozen Screen or System: The GPS screen might freeze, stop responding, or display outdated information.
  3. Incorrect Directions: The GPS could provide incorrect or outdated directions due to software or map issues.
  4. Unresponsive Buttons or Display: Touchscreen buttons may stop responding, or the display may fail to load correctly.
  5. Slow Performance: The GPS may lag or fail to update locations in real-time.

Each of these issues can stem from a variety of sources, including software glitches, hardware malfunctions, or connectivity problems. Let’s explore some easy solutions to help you troubleshoot and resolve them.

Solution 1: Restart the Infotainment System

A simple restart can fix many temporary software glitches.

  1. Turn Off the Car: Turn off the ignition and wait for about 30 seconds.
  2. Restart the Car: Start the car again and wait for the infotainment system to load.
  3. Check the GPS: See if the GPS functions correctly.

This quick restart can resolve minor bugs and get the system back to normal operation.

Solution 2: Update the GPS Software and Maps

Outdated software or maps can lead to incorrect directions, lagging, or other navigation issues.

  1. Check for Updates: Visit Subaru’s official website and search for software or map updates for your specific vehicle model.
  2. Download the Update: Download the update file onto a USB drive (ensure the drive is formatted to FAT32).
  3. Install the Update: Plug the USB drive into the car’s USB port and follow the on-screen instructions to install the update.

Keeping your GPS software and maps current ensures accurate routing and optimal performance.

Solution 3: Reset the GPS System

If a restart doesn’t work, a system reset can help clear glitches.

  1. Go to Settings: Navigate to your Subaru’s infotainment settings.
  2. Select Factory Reset: Look for a “Factory Reset” or “Restore to Default” option.
  3. Confirm: Confirm the reset, and wait for the system to restart.

Note: A factory reset will erase saved destinations, so you’ll need to re-enter these after the reset.

Solution 4: Check Satellite Signal Strength

A poor satellite connection could be the reason for a non-functioning GPS.

  1. Drive to an Open Area: Satellite signals may be obstructed by tall buildings, tunnels, or dense tree cover. Head to an open area with a clear view of the sky.
  2. Check Signal Strength: Most Subaru GPS systems allow you to check the satellite signal strength within the settings or diagnostic menu.
  3. Wait for Connection: Wait a few minutes for the GPS to reconnect with available satellites.

If you frequently encounter signal loss, the issue could stem from a GPS antenna problem, which may need professional diagnosis.

Solution 5: Recalibrate the GPS System

Sometimes, the GPS may need recalibration to improve accuracy.

  1. Access Settings: Go into the GPS or navigation settings on the infotainment screen.
  2. Select Recalibration Option: Look for an option that mentions “Recalibrate” or “Re-center” GPS.
  3. Follow Instructions: Follow the on-screen steps to complete recalibration.

Recalibrating the GPS helps it better pinpoint your location and improves accuracy.

Solution 6: Check for Electrical or Connectivity Issues

The GPS system depends on stable power and connectivity, which may occasionally become disrupted.

  1. Inspect Fuses: A blown fuse related to the infotainment or GPS system can cause malfunctions. Check your vehicle’s fuse box, usually located under the dashboard or in the engine bay, and replace any damaged fuses.
  2. Inspect Cables and Connectors: Loose or damaged wiring can also affect the GPS. If you’re comfortable, inspect the connections to the infotainment system.
  3. Battery Check: If your Subaru’s battery is low or worn out, it may not provide sufficient power to the GPS. Ensure your battery is in good health.

If you’re unsure about handling these checks, it’s best to have a professional inspect your vehicle.

Solution 7: Perform a Soft Reset of the GPS Unit

A soft reset is a method to refresh the system without erasing data like a factory reset would.

  1. Locate Reset Button: Look for a small reset button near the infotainment screen or GPS unit. It may require a pin or paperclip to press.
  2. Press and Hold: Press and hold the reset button for about 5-10 seconds, then release.
  3. Wait for Restart: The system will reboot, clearing temporary glitches without erasing your saved settings.

Solution 8: Clear Stored Cache Data

Over time, cache data may build up in the GPS, leading to slow or erratic behavior.

  1. Enter System Settings: Go to the settings menu on the infotainment system.
  2. Select Cache or Storage: Some Subaru models have an option to clear cache or storage data.
  3. Clear Cache: Select this option to clear unnecessary data, which can improve system responsiveness.

Clearing cache periodically can help prevent future performance issues.

Solution 9: Check GPS Antenna

A faulty or disconnected GPS antenna can lead to poor signal reception and performance issues.

  1. Inspect Antenna Location: The GPS antenna is usually mounted on the roof or near the windshield. Look for any visible damage.
  2. Reposition: Sometimes, adjusting or repositioning the antenna slightly can improve signal strength.
  3. Replace if Necessary: If the antenna is damaged, consider replacing it. This task may require a visit to a Subaru service center.

Solution 10: Seek Professional Assistance

If none of these solutions resolve the issue, the problem may require expert diagnosis and repair.

  1. Contact Subaru Customer Support: Subaru’s customer support can provide additional guidance or suggest steps specific to your model.
  2. Visit a Subaru Dealership: A dealership will have specialized tools and expertise to identify and fix deeper issues with the GPS system.
  3. Consider a Software Diagnostic: Some dealerships can perform advanced software diagnostics to uncover hidden software-related issues.

Subaru technicians are trained to handle complex infotainment and navigation issues, ensuring your system operates smoothly.

Final Thoughts

A functional GPS is essential for safe and convenient driving, so encountering issues can be frustrating. By following these steps, you should be able to resolve most Subaru GPS problems and get your navigation back on track. Regular software updates, proper system care, and a little troubleshooting can keep your GPS working reliably for years to come.