How to Open Your 2009 Toyota Prius Key Fob and Change Battery

How to Open Your 2009 Toyota Prius Key Fob and Change Battery

Keyless entry remote allow access to your Prius. Once the keyless entry remote battery is weak or dead you will not to be able close doors from distance. In this case, we demonstrate how to open your car key fob and change a discharged battery DIY. If you choose to do it at home near Prius, use this guide, but first make sure you have everything you need.

What kind of battery key fob require

Before beginning disassembly keyless entry remote make sure that you have all required tools and materials: 1xCR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

A small coin battery installed in the your remote key fob. Remove any internal key before you try to pry apart the keyless entry remote.

Gently try to open your key fob with pry tools. Replace 1xCR2032 battery with flat head screwdriver.

Get new battery and install it in keyless entry 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, make sure that all functions works by pressing buttons on circuit board.

The last thing to do is put your cover back on fob. Accurately try to put the pieces together by hands from top to bottom. Check your keyless entry remote case for gaps. If it is not tightly closed try to repeat last step.

How to change the battery video guide

Toyota Prius Key Remote Battery Replacement 2004 - 2009 - DIY

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Toyota Prius require 1xCR2032 batteries. Price for CR2032 batteries are under $4-6 build upon the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

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

Changing your key fob battery is simple to do in 2009 Toyota Prius. Most of car manufacturers think about clients and make a special hole for remote key fob open.

Auto repair shop's cost for replace the battery in remote key fob is $50-600 depending on the make.

You should change batteries inside key fob of Toyota Prius at least every four years. The lifetime of battery vary on usage time, quality and operating conditions. Famous brands cells usually will last longer.

These signs will alert you that it's perhaps time to change battery in your 2009 Toyota Prius: low key battery indicator on dashboard, you didn't change battery more than 4 years, key fob buttons not working and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: MOZB21TG
  2. Models: 2004-2009 Toyota Prius