under the VW emblem sticker on the back of the key fob is a small screw (or at least, it is in the Golf V). I'm wondering if this is to keep the two halves together.
Also, from what I have read, the lower half of the key fob is the transmitter (to open the doors) but the top half with the key contains the passive transponder to match codes with the Body Computer.
Don't know how waterproof this part is, the transponder is probably embedded in the plastic head - but I wouldn't be testing it out with salt water...
TDI tiguan in the drive. ParkAssist, comfort, fogs
Service every 15,000, new fault code every 7,500km
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