Change battery in folding key with remote control for Volkswagen Golf, Jetta, Passat, Rabbit and GTI

Replacing the battery in the folding remote for Volkswagen Golf, Jetta, Passat, Rabbit, GTI and others using the same remote.
  • Battery required is a CR2032 lithium battery (3V with 225 mAh capacity)
(Assembly overview – battery for folding key with remote control)

1 –  Key with variable code transponder

2 –  Transmitter unit – upper part

3 –  LED

  • When remote control is operated, this LED must flash briefly.
  • If LED does not flash during remote control operation, the battery is dead and must be renewed.

4 –  Battery

5 –  Transmitter unit – lower part

Removing battery

Step 1

  • Insert a screwdriver in slot between transmitter unit -1- and key -2-.
  • Twist screwdriver in -direction of arrow- to separate transmitter unit from key.
Step 2
  • Press transmitter unit -1- apart using profile section of key -2-.
Step 3
  • Unclip battery -1- from retainers -2- with a screwdriver in direction of -arrow-.


Note:   Before installing battery, always press any key once to reset the transmitter unit to recognise the new battery.
Step 1
  • Lay battery -1- with positive terminal downwards in sender unit -2- (positive terminal is marked on housing).
  • Engage battery in transmitter unit by pressing down lightly.
Step 2
  • Fit cover to transmitter unit (do not damage seal).
  • Then clip transmitter unit to key.

60 thoughts on “Change battery in folding key with remote control for Volkswagen Golf, Jetta, Passat, Rabbit and GTI”

  1. Had an battery replacement and then it dont work vw say i need a code and i have to pay for it to be done? Does it have to be everytime the key battery need replacement i feel rip off costing me £60.00 just for the code and battery of £4.00. It belong to the car i bought the car new 3 years ago. Dont understand why i have to pay for code that only battery replacement? Can you explain to me please.

  2. All you have to do is to follow the wqritten instructions accompanying the method of replacement and you can save yourself a lot of money.

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