How to Open Your 2000 Volkswagen Passat Key Fob & Change Battery

How to Open Your 2000 Volkswagen Passat Key Fob & Change Battery

If your Volkswagen remote key fob is not working properly, the battery probably must to be changed. In this case, we are going to tell you how to disassembly Volkswagen key fob and change a weak or dead battery yourself. If you choose to do it at home near Passat, use this guide, but don't forget to check all you need before you start.

What kind of battery remote key fob require

Prior to open keyless entry remote be sure that you have all recommended tools and materials: CR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

A button battery installed inside the your keyless entry remote. Carefully try to disassemble your keyless entry remote with pry tools. Replace 1 CR2032 battery with flat head screwdriver.

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

After the new battery installed, verify key fob functionality by pressing buttons. If everything is functioning, assemble your keyless entry fob's body in reverse order.

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

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Still not working? Buy new one


Remote key fob of Volkswagen Passat use 1xCR2032 batteries. Price for CR2032 batteries are under $5 depending on the brand, type and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Remote key fob in most of cases reprogramming not required after battery change. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can replace battery in your 2000 Volkswagen Passat key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty simple with our instruction.

The price to replace the battery in remote key fob is $50-600 depending on the brand and the service station.

You should change batteries inside remote key fob of Volkswagen Passat at least once in three years. The term of battery vary on their amount of use, operating conditions and quality. Lithium cells usually will last longer.

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

  1. FCC ID: NBG735868T
  2. Models: 1998-2002 Volkswagen Passat