SOURCE: how do you change battery in key fob on 2002 vw golf
No problem. The key fob is two pieces. The key part and the remote. Open the key as you would to sue it. Where the key flips open you can see a small recess about where the line of the trunck switch. This is where the key separates. You can pull it off or pry it with a small screwdriver. Once separated with remote part in your hand this also splits in 2. In the same area you split the key off insert the screwdriver in this recess and the fob will open giving you access to the battery. Also can be done by hand. It is a little tight so you will have to force which is normal. No screws just clipped. Make sure the battery is positioned in the right way and that you have 3 volts when you test the battery. 2.7 volts will make the remote not work or act funny.
SOURCE: focus remote key fob not working
this info would cost you £30.+ at ford Radio
Frequency Programming Instructions:
SOURCE: remote key fob will not work-battery replaced
VW/AUDI/SEAT/SKODA
Remote Control Programming (1997 ON)
Procedure
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
control.
Remote Control Erasing (1997 ON)
Procedure
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. Press the remote control unlock button 5 times in 1 second intervals.
A short horn will sound.
4. Wait 6 seconds and press the unlock button once to activate memory
erase.
5. Switch ignition OFF, all remotes are now erased.
SOURCE: Remote Car starter won't work
put your key in the ignition, then remote start it, if it starts, you need to either move the transponder loop of key or reprogram the transponder or take it to a remote starter shop
SOURCE: How do I change the battery in the key fob and do
Hell, and welocme to FixYa!
The remote comes apart, the front half detatchs from the back half, a small screwdriver is all you need.
The battery is easily removed once the case of the fob is open.
There is no need for any reprogramming once the battery is changed; the computer remembers the frequency of the transmitter.
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