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step by step visual. http://www.riskin.org/vwkey/
Split the remote open at the key fob loop.
A key fob is used to electronically open a car door. Batteries can be replaced by opening the back, removing the old battery, and replacing with the new battery.
Yes
The key fob doesn't get reset... the keyless entry module gets programmed to accept commands from that key fob. If your key fob suddenly stops working and it's not a battery issue, then you either have a problem with your key fob itself, or the keyless entry module, and it'll need to be diagnosed and repaired accordingly.
put new battery in
Remove the valet key from the fob and behind it is a small Phillips screw. After that the fob will split and the battery is visible.
It indicates the battery life left in your key fob battery.
Yes you can just change the battery
First you will need to remove the back cover using a coin or anything that will fit into the slot. Once it is open, remove the old battery and replace with a new battery. You will then need to place the battery cover back on using the coin again.
Find out what type of battery the fob takes, and then replace it. If you are in the middle of nowhere, then i dont know.
Just call Parts, the battery costs $6.00 you can replace it yourself.