How to Replace the Battery in a 2000 Toyota Prius Key Fob

How to Replace the Battery in a 2000 Toyota Prius Key Fob

If your Prius remote key fob is no longer open doors properly, the cell battery likely must to be replaced. Below, we outlined how to open your keyless entry remote and replace your Toyota key battery step by step.

What is the battery remote key fob require

Before you start to open key fob make sure that you have all required tools and materials: phillips head screwdriver, flat head screwdriver and 1xCR2016 battery.
  • flat head screwdriver
  • 1xCR2016 battery
  • phillips head screwdriver

Step by step guide

A button cell battery installed in the your key fob. Unscrew the back of the remote key fob. Flip the keyless entry remote over and look for at least 1 screw holding in the plastic.

Gently try to disassemble your key with flat head screwdriver. Remove CR2016 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. 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 functions works by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your case pieces together and assemble it together by hands from top to bottom. Check your keyless entry remote body for gaps. If it is not firmly closed try to repeat last step. Screw the back of the remote key fob.

Key Fob Battery Replacement 2000 Toyota Prius Video

Toyota Prius Key Remote Battery Replacement 2004 - 2009 - DIY

Still not working? Buy new one


Keyless entry remote of Toyota Prius require 1xCR2016 batteries. Price for CR2016 batteries are under $6 build upon the type, brand and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Usually, after key fob battery replace, you do not need to reprogram. Key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can change battery in your 2000 Toyota Prius remote key fob yourself. Most difficult part is to open fob’s case. It's pretty easy with our instruction.

Auto repair shop's pricing for replace the battery in key fob is from 50 to 600 dollars depending on the car.

Remote key fob batteries in Toyota Prius should be replaced every 4 years, but this will differ based on their amount of use and build quality. If your remote key fob decreased signal strength, you should change batteries before it stop working and make problems for you.

If your Toyota has low key battery indicator on dashboard, signal strength reduced, key fob buttons not working or fob's battery more than 4 years old, it's probably battery change inside key fob required. Currently installed battery is weak with a high probability, but if it's not help to fix issues, remote key fob change or repair needed.
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Fob Compatibility:

  2. Models: 2001-2003 Toyota Prius