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

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

Key fob allow access to your auto. Once the remote key fob battery is discharged you’ll not to be able unlock car from distance. It's not difficult to change the battery in your remote key fob DIY. All you need is outlined in this post.

What is the battery keyless entry remote use

Before going to disassembly key fob make sure that you have all recommended tools and materials: 1xCR2016 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2016 battery

Step by step instruction

Inside of your key fob installed tiny coin cell battery. Move the key out of the way if it is in the keyless entry remote.

Delicately try to pry apart your keyless entry remote with pry tools. Replace CR2016 battery with flat head screwdriver.

Now it's time to install new battery in fob’s shell. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

When the new battery installed, verify key fob functionality by pressing buttons. If everything working fine, assemble your fob’s body in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your case two halves together and assemble it together by hands from top to bottom. Inspect your keyless entry remote case for gaps. If it is not firmly closed try to repeat last step.

How to replace the battery video guide

▶️2008 2009 2010 2011 Toyota Camry Corolla Key FOB Remote Battery Replacement Easy + Fast

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Toyota Corolla require 1xCR2016 batteries. Most CR2016 batteries are under $5 build upon the size packaging, brand and type you buy. Take your old battery to the store, to find a proper replacement.

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

Changing your keyless entry remote battery is simple to do in 2009 Toyota Corolla. Most of car manufacturers think of the customers and make a special hole for keyless entry remote disassembly.

The price to change the battery inside key fob is from $30 to as high as $500 depending on the car and the service station.

You should change batteries inside key fob of Toyota Corolla at least every 3-4 years. lifespan of battery differ on frequency of use, quality and operating conditions. Famous brands cells normally will last longer.

If your Toyota key fob buttons not working, fob's battery more than 4 years old, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, it's probably battery replace inside keyless entry remote needed. Installed battery is dead with a high probability, but if it's not help, fob change or repair required.
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Fob Compatibility:

  2. Models: 2009-2010 Toyota Corolla