How to Replace the Battery in a 2012 Toyota Sienna Key Fob

How to Replace the Battery in a 2012 Toyota Sienna Key Fob

Remote key fob grant access to your car. If the key fob battery is dead you lose your fob’s ability to control remote functions. In this post, we demonstrate how to disassembly Toyota keyless entry remote and replace a weak or dead battery yourself. If you gonna solve to do it at home near Sienna, follow our instruction, but first make sure you have everything you need before you start.

What type battery does 2012 Toyota Sienna keyless entry remote take

Before beginning disassembly keyless entry remote make sure that you have all recommended tools and materials: 1 CR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to change the battery in your Sienna's remote key fob

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

Delicately try to pry apart your fob with hands or flat head screwdriver. Change 1 CR2032 battery with flat head screwdriver.

Change old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you connect battery wrong way.

When the new battery installed, verify key fob functionality by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

At this point squeeze fob’s back cover together. Line your shell two halves together and put it in place by hands from top to bottom. Check your fob shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2012 Toyota Sienna Video

DIY - How to change SmartKey Key fob Battery on Toyota Sienna

Still not working? Buy new one

FAQ

Remote key fob of Toyota Sienna require 1xCR2032 batteries. Price for CR2032 batteries are under $4 depending on the type, brand and size packaging you buy. You can take old battery to the store, to find a proper replacement.

Key fob in most of cases do not require to be reprogrammed after battery replace. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Replacing your keyless entry remote battery is easy to do in 2012 Toyota Sienna. Most of car manufacturers think of the clients and make a special hole for remote key fob open.

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

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

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

  1. FCC ID: GQ43VT20T
  2. Models: 2004-2018 Toyota Sienna