How to Open Your 2007 Lexus ES 330 Key Fob & Change Battery

How to Open Your 2007 Lexus ES 330 Key Fob & Change Battery

If your ES 330 key fob is no longer working perfectly, the cell battery most likely needs to be changed. In this case, you will benefit from knowing how to disassembly Lexus keyless entry remote and replace a discharged battery DIY. If you decide to do it at home near ES 330, use this instruction, but don't forget to check tools and materials required before you start.

What size battery does 2007 Lexus ES 330 key fob take

Don't forget before disassembly key fob check all that you need: flat head screwdriver and CR2016 battery.
  • flat head screwdriver
  • 1xCR2016 battery

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

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

Carefully try to disassemble your key fob with pry tools. Change CR2016 battery with flat head screwdriver.

Change old battery with fresh one CR2016. Battery must be placed with the same position as was an old. Your key fob will not work if you by mistake put battery wrong way.

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

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

How to change the battery video guide

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Still not working? Buy new one


Key fob of Lexus ES 330 use 1xCR2016 batteries. Price for CR2016 batteries are under $5 depending on the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

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

Yes, you can change battery in your 2007 Lexus ES 330 keyless entry remote yourself. Most hard part is to open fob’s case. It's pretty simple with our instruction.

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

Keyless entry remote batteries in Lexus ES 330 should be replaced once in 4 years, but this will differ based on frequency of use and quality. If your remote key fob reduced signal strength, you should change batteries before it stop close doors and make problems for you.

These symptoms will alert you that it's perhaps time to replace battery in your 2007 Lexus ES 330: you didn't change battery more than 4 years, low key battery indicator on dashboard, multiple clicks to unlock or lock doors required and signal strength reduced.
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Fob Compatibility:

  2. Models: 2004-2007 Lexus ES 330