How to Replace the Battery in a 2003 Volkswagen Passat Key Fob

How to Replace the Battery in a 2003 Volkswagen Passat Key Fob

If your Volkswagen key is not open doors perfectly, the battery most likely needs to be changed. Below, we explained how to disassembly your remote key fob and change your Volkswagen key battery step by step.

What size battery does 2003 Volkswagen Passat keyless entry remote required

Before starting disassembly keyless entry remote check all that you need: flat head screwdriver and CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to replace the battery in your Passat's keyless entry remote

A tiny button battery installed in the your key fob. Open the key if it is in the keyless entry remote.

Accurately try to pry apart your remote key fob with flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.

Change old battery with new one CR2032. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling keyless entry fob's case, make sure that all functions works by testing buttons on remote key fob.

At this point squeeze keyless entry fob's back cover together. Line your case pieces together and put it in place by hands from top to bottom. If your remote key fob shell firmly closed, we done. If not, repeat the last step.

How to change the battery video guide

DIY How to replace battery on a VW Key FOB transponder Volkswagen Jetta Golf Beetle Passat

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Volkswagen Passat require 1xCR2032 batteries. Price for CR2032 batteries are under $4 depending on the type, brand and size packaging you buy. Take your old battery to the store, to find a proper replacement.

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

Replacing your keyless entry remote battery is simple to do in 2003 Volkswagen Passat. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

The cost to change the battery in keyless entry remote is in range $50-600 depending on the car and the service pricing.

You should change batteries inside keyless entry remote of Volkswagen Passat at least every 4 years. The term of battery differ on frequency of use, operating conditions and quality. Lithium cells usually will last longer.

These symptoms will warn you that it's probably time to replace battery in your Volkswagen Passat: low key battery indicator on dashboard, signal strength reduced, key fob buttons not working and you didn't change battery more than 4 years.
Be the first to comment.
Your message is required.

Other Volkswagen Models:

Fob Compatibility:

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