How to Open Your 2003 Volkswagen Jetta Key Fob & Change Battery

How to Open Your 2003 Volkswagen Jetta Key Fob & Change Battery

If your Jetta key is no longer unlock doors perfectly, the cell battery probably must to be changed. It's not difficult to replace the battery in your key fob, and it’s easier than you think. All you need is explained in this post.

What kind of battery key fob use

Replacing battery in keyless entry remote require flat head screwdriver and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to change the battery in your car's keyless entry remote

Inside of your keyless entry remote installed tiny button cell battery. Open key first, and then try to pry apart the keyless entry remote.

Accurately try to pry apart your key with hands or flat head screwdriver. Change one CR2032 battery with flat head screwdriver.

Change old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you connect battery wrong way.

Before assembling fob’s case, check that everything is functioning by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your shell two halves together and assemble it together by hands from top to bottom. Inspect your keyless entry remote shell for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2003 Volkswagen Jetta Video

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Still not working? Buy new one


Remote key fob of Volkswagen Jetta require 1xCR2032 batteries. Price for CR2032 batteries are under $6 build upon the brand, size packaging and type you buy. You can take old battery to the store, with you to find a proper replacement.

Often, after keyless entry remote battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2003 Volkswagen Jetta remote key fob yourself. Most hard part is to open fob’s case. It's pretty simple with our instruction.

The price to change the battery in key is in range $50-600 depending on the car and the service pricing.

You should replace batteries inside key fob of Volkswagen Jetta at least once in three years. The lifetime of battery vary on usage time, operating conditions and quality.

If your Volkswagen fob's battery more than 4 years old, key fob buttons not working, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, in most cases battery change in key fob needed. Installed battery is dead with a high probability, but if it's not help to fix issues, remote key fob change or repair needed.
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Fob Compatibility:

  1. FCC ID: NBG 735868 T | NBG92596263
  2. Models: 2002-2005 Volkswagen Jetta