Golf 2008 fob battery replacement

[vincent]

Hi everyone

my neighbour has replaced the battery on his key fob but it is still not working. battery installed correctly. Do you have to retrain the fob and if so does anyone know the prodecure?

regards.

Vincent

 

[Dirac]

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VW/AUDI/SEAT/SKODA​

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Remote Control Programming (1997 ON)​

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Procedure​

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1. Switch Ignition ON and leave the key in the ignition.
2. Mechanically lock the vehicle using the Drivers door using a second
key.
3. Using the remote control press the Unlock button once, and the horn
will sound once.
4. Wait 6 seconds and press the unlock button once to activate the coding
procedure. The remote control will now be programmed.
NOTE : When performing programming on additional remotes the procedure
is the same, except you press the unlock button 2, 3 or 4 times for the
different remote.
For example : If programming 2 remotes press the unlock button twice with
a 1 second interval between each press, repeat for 3 and 4 remotes.
5. Switch Ignition OFF.
6. Remove key from ignition and check for operation.
7. The coding procedure can be repeated up to 4 times for additional remotes.​

8. The ignition must be switched OFF between programming each remote

 

[Dirac]

The above should work. If he only has one key then he can get a 2nd cut at a locksmiths without the transponder fitted and programmed, although it would be wise to get a fully programmed 2nd key just in case he loses the one and only in which case he would be in for a BIG bill as ecu eprom has to be reprog'd