How to Open Your 2015 Toyota Sienna Key Fob & Change Battery

How to Open Your 2015 Toyota Sienna Key Fob & Change Battery

Remote key fob grant easy access to your Sienna. Once the keyless entry remote battery is weak or dead you will lose your fob’s ability to control remote opening function. In this post, you’ll benefit from knowing how to disassembly your key fob and change a dead or weak battery yourself. If you choose to do it at home near Sienna, use this instruction, but don't forget to check all you need.

What size battery does 2015 Toyota Sienna remote key fob take

Before going to open key fob check all that you need: CR1632 battery and flat head screwdriver.
  • 1xCR1632 battery
  • flat head screwdriver

Step by step instruction

A small button 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 with hands or flat head screwdriver. Change 1 CR1632 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's body. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you put battery wrong way.

When the new battery installed, check keyless entry remote by pressing buttons. If everything is functioning, assemble your fob’s shell in reverse order.

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. If your keyless entry remote case firmly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2015 Toyota Sienna Video

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

Still not working? Buy new one

FAQ

Keyless entry remote of Toyota Sienna use 1xCR1632 batteries. Most CR1632 batteries are under $4-6 depending on the type, size packaging and brand you buy. You can take old battery to the store, with you to find a proper replacement.

Often, after key battery change, reprogramming not required. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your remote key fob battery is easy to do in 2015 Toyota Sienna. Most of car manufacturers think about customers and make a special hole for keyless entry remote open.

Auto repair shop's pricing for replace the battery in key fob is from 50 to 600 dollars depending on the make.

You should change batteries inside keyless entry remote of modern cars at least once in four years. lifespan of battery vary on usage time, operating conditions and quality.

If your car fob's battery more than 4 years old, signal strength reduced, key fob buttons not working or need multiple clicks to unlock or lock doors, in most cases battery change in keyless entry remote needed. Current battery is discharged with a high probability, but if it's not fix, key replace or repair needed.
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Fob Compatibility:

  1. FCC ID: HYQ14ADR
  2. Models: 2011-2020 Toyota Sienna