How to repair a key fob

After years of trusty service, your car key fob button decides to fall apart! You could go to the garage or mechanic and pay a lot of money for a new one... OR you could follow this super simple guide and fix your key fob back to it's former glory! Hooray!

Sugru Mouldable Glue is great for this because:

- it is hard wearing and durable

- bonds well to nearly all plastics used for key fobs

- it sets into a flexible rubber so feels great when you press it with your thumb!


  • 1 single-use pack of Sugru
  • Your key fob
  • A felt tip pen
  • A piece of recycled plastic (preferably clear)

Step 1

key fob with missing button

First off, save the small rod that touches the chip in the middle of the flop.

Step 2

Waste plastic cut with scissors

Next up, cut a piece of plastic (you can find some in your recycling bin) to fit inside the button space. (if you fill the button space with sugru it will not be flexible and easy to press!)

TOP TIP: If you use clear plastic, you can draw over the button space to get the exact shape!

Step 3

Plastic piece attached to fob with Sugru

Open your single-use pack of Sugru and knead it in your fingers for approximately 10 seconds.

Then, use a small piece of Sugru to bond the plastic to the rod.

Step 4

Sugru applied over plastic piece

Apply Sugru to the top of the plastic and a few mm around it to create your button!

Press the Sugru firmly against the the housing of the fob to ensure a good bond.

Step 5

Sugru smoothed with finger

Gently rub your finger over the surface of the Sugru to give a smooth finish.

Now leave it set for 12-24 hours.

Step 6

Sugru button being pressed with thumb

The next day and the Sugru has set. Get Pressing!