Guide to Fixing Subaru Key Fob Battery Problems

If your Subaru key fob is not working properly, the most common cause is a dead or weak battery. Replacing the battery is a simple and cost-effective fix that can restore your key fob’s functionality.

Signs of a Failing Subaru Key Fob Battery

Before replacing the battery, it’s helpful to recognize the signs that indicate a low or dead battery:

  • The key fob’s buttons are unresponsive or work intermittently.
  • The range of the key fob is significantly reduced.
  • The lock or unlock lights on your vehicle do not activate when pressing the buttons.
  • You see a low battery warning on your vehicle’s dashboard (if applicable).

Tools and Materials Needed

  • Replacement Subaru key fob battery (usually CR2032)
  • Small flat-head screwdriver or plastic pry tool
  • Clean cloth or towel
  • Optional: gloves for handling batteries

Step-by-Step Guide to Replacing the Battery

Follow these steps to safely replace your Subaru key fob battery:

Step 1: Prepare Your Workspace

Find a clean, flat surface to work on. Lay down a cloth or towel to prevent losing small parts.

Step 2: Open the Key Fob

Locate the seam on the key fob. Use a small flat-head screwdriver or plastic pry tool to gently separate the two halves of the fob. Be careful not to damage the plastic.

Step 3: Remove the Old Battery

Identify the battery inside. Carefully lift it out using the screwdriver or your fingers. Note the orientation of the battery (which side is facing up).

Step 4: Insert the New Battery

Place the new CR2032 battery into the slot, ensuring it is oriented correctly (usually with the + side facing up). Confirm it sits snugly.

Step 5: Reassemble the Fob

Align the two halves of the key fob and press them together until they snap securely. Make sure there are no gaps.

Testing Your Repaired Key Fob

Stand near your vehicle and press the lock or unlock button. If the vehicle responds, the battery replacement was successful. If not, double-check the battery orientation and connection.

Additional Tips

  • Always use the correct battery type for your Subaru key fob.
  • If the key fob still doesn’t work after replacing the battery, consider reprogramming it or consulting a professional.
  • Keep spare batteries handy for future replacements.

Replacing your Subaru key fob battery is a quick fix that can save you time and money. Regularly check your key fob’s responsiveness to ensure reliable access to your vehicle.