How to Replace the Battery in a 2012 Toyota Prius V Key Fob

How to Replace the Battery in a 2012 Toyota Prius V Key Fob

Remote key fob allow access to your auto. Once the keyless entry remote battery is dead or weak you’ll not to be able open trunk or doors from distance. In this post, you’ll benefit from knowing how to open your car remote key fob and change a weak battery yourself. If you choose to do it at home near Prius V, follow our instruction, but first make sure you have everything you need before you start.

What size battery does 2012 Toyota Prius V keyless entry remote take

Replacing battery in remote key fob require flat head screwdriver and 1xCR1632 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • 1xCR1632 battery
  • flat head screwdriver

Step by step guide

Inside of your key fob installed button battery. Move the key out of the way if it is in the remote key fob.

Carefully try to disassemble your key fob with flat head screwdriver. Remove CR1632 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 current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling keyless entry fob's case, verify that all is functioning by testing buttons on circuit board.

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

Video of key opening

2012 | Toyota | Prius | Replace Smart Key Battery | How To By Toyota City Minneapolis MN

Still not working? Buy new one


Keyless entry remote of Toyota Prius V require 1xCR1632 batteries. Most CR1632 batteries are under $4-6 depending on the type, brand and size packaging you buy. You can take old battery to the store, to find a proper replacement.

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

Changing your remote key fob battery is simple to do in 2012 Toyota Prius V. Most of car manufacturers think about clients and make a special hole for remote key fob open.

The price to replace the battery inside fob is from $30 to as high as $500 depending on the brand and the service station.

Remote key fob batteries in Toyota Prius V should be replaced once in 4 years, although this will vary based on usage and quality. If your keyless entry remote reduced signal strength, you should replace batteries before it stop working and make trouble for you.

These symptoms will alert you that it's possible time to replace battery in your Toyota Prius V: multiple clicks to unlock or lock doors required, signal strength reduced, key fob buttons not working and you didn't change battery more than 4 years.
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Fob Compatibility:

  2. Models: 2010-2016 Toyota Prius V