Replace Key Fob Batteries

How to Open Your 2008 Toyota Sienna Key Fob & Change Battery

How to Open Your 2008 Toyota Sienna Key Fob & Change Battery

Key fob grant access to your Toyota. Once the key battery is dead or weak you will not to be able lock doors from distance. In this case, you will benefit from knowing how to disassembly Toyota remote key fob and replace a dead or weak battery yourself. If you choose to do it at home near Sienna, use this guide, but don't forget to check all you need.

What type battery does 2008 Toyota Sienna keyless entry remote take

Before beginning open key fob be sure that you have all required tools and materials: one CR2032 battery, phillips head screwdriver and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery
  • phillips head screwdriver

Step by step guide

A tiny coin cell battery installed inside the your keyless entry remote. Remove screw on the back of the remote key fob. Flip the key fob over and find for at least 1 screw holding in the plastic.

Accurately try to open your fob with hands or flat head screwdriver. Change CR2032 battery with flat head screwdriver.

Get new battery and install it in keyless entry fob's case. 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 pressing buttons on circuit board.

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

Video of remote key fob disassembly

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

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Toyota Sienna use 1xCR2032 batteries. Price for CR2032 batteries are under $4 build upon the size packaging, brand and type you buy. You can take old battery to the store, to find a proper replacement.

Often, after keyless entry remote battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Changing your remote key fob battery is simple to do in 2008 Toyota Sienna. Most of car manufacturers think of the clients and make a special hole for key fob open.

Car service price for replace the battery in key fob is from $30 to as high as $500 depending on the make.

Key fob batteries in Toyota Sienna should be changed once in three or four years, although this will differ based on frequency of use and quality. If your remote key fob reduced signal strength, you should replace batteries before it stop open doors and make problems for you.

If your car key fob buttons not working, fob's battery more than 4 years old, has low key battery indicator on dashboard or signal strength reduced, in most cases battery replace inside key fob required. Currently installed battery is discharged with a high probability, but if it's not help, remote key fob replace or repair required.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Toyota Models:

Fob Compatibility:

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