How to Open Your 2009 Scion tC Key Fob & Change Battery

How to Open Your 2009 Scion tC Key Fob & Change Battery

If your car key fob is not unlock doors perfectly, the battery most likely needs to be changed. Below, we walks you through how to open your key fob and change your Scion key battery.

What type battery does 2009 Scion tC key fob take

Replacing battery in key fob require flat head screwdriver and 1 CR2016 battery. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.
  • flat head screwdriver
  • 1xCR2016 battery

Step by step guide

A small button cell battery installed in the your key fob. Delicately try to disassemble your key with flat head screwdriver. Remove one CR2016 battery with flat head screwdriver.

Replace old battery with new one CR2016. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote 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.

The last thing to do is put your cover back on fob. Gently try to assemble the pieces together by hands from top to bottom. If your key shell firmly closed, we done. If not, repeat the last step.

How to replace the battery video instruction

How to Replace TOYOTA / SCION Key Fob Battery | EASY!

Still not working? Buy new one

Frequently Asked Questions

Key fob of Scion tC require 1xCR2016 batteries. Most CR2016 batteries are under $5 build upon the brand, size packaging and type you buy. You can take old battery to the store, with you to find a proper replacement.

Often, after key battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can change battery in your 2009 Scion tC remote key fob yourself. Most difficult part is to disassembly fob’s case. It's pretty simple with our guide.

Car service cost for replace the battery in key fob is from 50 to 600 dollars depending on the car.

Remote key fob batteries in Scion tC should be replaced once in three or four years, although this will vary based on usage and build quality. If your keyless entry remote reduced signal strength, you should replace batteries before it stop open doors and make problems for you.

These signs will alert you that it's probably time to replace battery in your 2009 Scion tC: low key battery indicator on dashboard, signal strength reduced, key fob buttons not working and multiple clicks to unlock or lock doors required.
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Other Scion Models:

Fob Compatibility:

  1. FCC ID: M0ZB41TG | MOZB41TG
  2. Models: 2005-2010 Scion TC