How to Replace the Battery in a 2012 Audi S4 Key Fob
Keyless entry remote allow access to your Audi. When the remote key fob battery is dead you lose your keyless entry fob's ability to use remote opportunities. Yes, it is possible to replace the battery in your key fob DIY. All you need is described below.
What type battery remote key fob require
Before beginning open remote key fob make sure that you have all recommended tools and materials: CR2032 battery and flat head screwdriver.- 1xCR2032 battery
- flat head screwdriver
Step by step guide
Inside of your remote key fob installed tiny coin battery. Open key before you try to pry apart the keyless entry remote.
Gently try to open your key fob with hands or flat head screwdriver. Remove 1xCR2032 battery with flat head screwdriver.
Now it's time to install new battery inside fob’s body. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
Before assembling keyless entry fob's case, make sure that all is functioning by pressing buttons on circuit board.
The last thing to do is put your cover back on fob. Delicately try to put the two halves in place by hands from top to bottom. If your remote key fob body tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2012 Audi S4 Video
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Still not working? Buy new one