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Essential tool
In order to restore the ability of rubber buttons to close contacts, the following materials and tools will be required:
- Aluminium foil.
- A small amount of glue.
- Hole puncher.
Trinket repair
First you need to carefully disassemble the key body. Most often, it is assembled on latches that open with a knife.
The next step is the mechanical cleaning of the rubber buttons on the reverse side from possible dirt and residues from the previous metallized coating. I also recommend degreasing the buttons after cleaning them with a small amount of alcohol (it is better not to use gasoline for rubber products).
Now, with the help of a hole punch, you need to make the number of aluminum points necessary for repair, which will act as contacts.
I used superglue to stick the dots to the rubber buttons, but such a stiff connection became unusable after a few weeks, so I took elastic rubber glue to repair it again. It dries longer, but the adhesive joint is elastic, therefore more resistant to pressure. After this repair, I have been using the key fob for several months, there are no complaints yet.
That's all the tricks of the repair, I hope my experience will help you solve a similar problem and restore the electronic key to your car.
Original article in English
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