Replace Key Fob Batteries

How to Open Your 2010 Audi A4 Key Fob & Change Battery

How to Open Your 2010 Audi A4 Key Fob & Change Battery

Key fob grant access to your Audi. If the keyless entry remote battery is dead or weak you will lose your fob’s ability to control distance opportunities. It's not difficult to change the battery in your keyless entry remote DIY. All you need is explained in this article.

What size battery does 2010 Audi A4 remote key fob required

Before you start to disassembly key fob check all that you need: CR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step instruction

Inside of your keyless entry remote installed tiny coin cell battery. Open the key if it is in the remote key fob.

Gently try to disassemble your fob with pry tools. Change one CR2032 battery with flat head screwdriver.

Replace old battery with fresh 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.

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

The last thing to do is put your cover back on fob. Delicately try to put the pieces together by hands from top to bottom. Inspect your key shell for gaps. If it is not tightly closed try to repeat last step.

Video of key opening

How to change SmartKey Key fob Battery on Audi A5 A3 A4 S4 S5 S6 Q5 Keyless entry IYZFBSB802

Still not working? Buy new one

FAQ

Remote key fob of Audi A4 require 1xCR2032 batteries. Most CR2032 batteries are under $4-6 build upon the type, brand and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Usually, after keyless entry remote battery change, 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 2010 Audi A4 remote key fob yourself. Most difficult part is to disassembly fob’s case. It's pretty simple with our guide.

Car service price for change the battery in remote key fob is from $30 to as high as $500 depending on the make.

You should change batteries inside keyless entry remote of Audi A4 at least every three years. The term of battery vary on frequency of use, operating conditions and quality. Lithium cells usually will last longer.

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

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Audi Models:

Fob Compatibility:

  1. FCC ID: NBG 009272 T
  2. Models: 2008-2010 Audi A4