2018 Acura RDX Key Fob Battery Replacement Instructions

2018 Acura RDX Key Fob Battery Replacement Instructions

Key fob allow easy access to your auto. When the remote key fob battery is weak or dead you’ll lose your fob’s ability to control distance opportunities. In this article, we explained how to open your key fob and change a weak battery yourself. If you gonna solve to do it at home near RDX, follow our instruction, but don't forget to check everything you need.

What type battery does 2018 Acura RDX key fob required

Before you start to disassembly keyless entry remote make sure that you have all recommended tools and materials: flat head screwdriver and one CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to change the battery in your car's keyless entry remote

Inside of your remote key fob installed coin battery. Open key first, and then try to pry apart the key fob.

Carefully try to disassemble your fob with pry tools. Remove 1xCR2032 battery with flat head screwdriver.

Replace old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you connect battery wrong way.

When the new battery installed, verify remote key fob by pressing buttons. If all functions works, assemble your fob’s body in reverse order.

At this point squeeze fob’s back cover together. Line your body pieces together and put it in place by hands from top to bottom. If your fob case firmly closed, we done. If not, repeat the last step.

Video of key opening

Acura RDX Key Fob Battery Replacement (2016 - 2018)

Still not working? Buy new one


Key fob of Acura RDX use 1xCR2032 batteries. Most CR2032 batteries are under $4-6 build upon the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

Remote key fob in most of cases reprogramming not required after battery replace. If your key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2018 Acura RDX key fob yourself. Most hard part is to disassembly fob’s case. It's pretty easy with our guide.

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

You should replace batteries inside keyless entry remote of Acura RDX at least every 3-4 years. lifespan of battery vary on their amount of use, operating conditions and quality. Lithium cells usually will last longer.

If your RDX has low key battery indicator on dashboard, need multiple clicks to unlock or lock doors, signal strength reduced or key fob buttons not working, in most cases battery replace in keyless entry remote required. Currently installed battery is weak with a high probability, but if it's not fix problem, keyless entry remote replace or repair needed.
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Other Acura Models:

Fob Compatibility:

  1. FCC ID: KR580399900
  2. Models: 2016-2020 Acura RDX