How to Change Battery in Subaru Key Fob

If you are driving a newer Subaru model in Kalkaska or Bellaire, then you likely have a modern key fob to control certain functions of your vehicle. It was created to last a substantial amount of time, but eventually the battery will run out. This can become very disruptive to your day if you don’t know how to replace it. Learn how to change battery in Subaru key fobs with the Serra Subaru of Traverse City service team below, so you can continue your plans without major interruption!

How to Replace a Subaru Key Fob Battery

Some models of the Subaru may have a different style than others, so replacing the battery for Subaru key fob may vary. Follow the steps below to for how to open a Subaru key fob and replacing the Subaru key fob battery for your vehicle:

Newer Subaru Key Fob (Bulging Rectangle Shape) – Requires a 2032 Battery

1. On the back of the key fob, push the small silver tab to release and pull out a metal key.
2. Right next to where the key was pulled from, insert the tip of the key or a flathead screwdriver into the gap between the front and back of the key fob.
3. Twist gently to pop open the key fob cover.
4. Locate the flat round battery inside the fob–it may be on the flip side of the transmitter circuit board.
5. Release the battery from the tiny tabs securing in place, and pop your new 2032 battery in, ensuring the correct side is facing up.
6. Put the battery back together and put the metal key back in, making sure everything snaps into place.

Older Subaru Key Fob (Teardrop Shape) – Requires a 2025 Battery

1. Locate the small niche in the seam between the front and back of the key fob.
2. Insert a small flathead screwdriver into the niche and twist to pop open the key fob.
3. Use the screwdriver to pop the old battery out, and place the new 2025 battery in, ensuring it has the correct side facing up.
4. Snap the two sides of the key fob back together, and you’re all set!

Actual Subaru Key (Exposed Metal Key With Buttons) – Requires a CR 1620 Battery

1. Locate the small niche in the seam between the front and back of the key encasement.
2. Insert a small flathead screwdriver into the niche and twist to pop open and remove the encasement.
3. Remove the smaller unit inside, and locate small tabs around the seams of this smaller unit.
4. Press the tabs to open this encasement and reveal the battery inside.
5. Remove the battery and replace it with a new CR 1620 battery, ensuring that the correct side is facing up.
6. Snap the battery cover back together, making sure everything is properly aligned.
7. Place the smaller unit back inside the key encasement, and snap everything closed.

Our Service Team is Ready to Help!

If you’re having trouble with your Subaru key fob battery, schedule an appointment with our service team so we can help! We’ll get you back on the Suttons Bay roads in no time.