How to Replace the Battery in a 2019 Chevrolet Blazer Key Fob

How to Replace the Battery in a 2019 Chevrolet Blazer Key Fob

Key fob allow easy access to your car. When the keyless entry remote battery is dead or weak you’ll lose your fob’s ability to control distance opening function. In this article, we outlined how to open your car remote key fob and change your Chevrolet key battery step by step.

What size battery does 2019 Chevrolet Blazer key fob required

Changing battery in remote key fob require flat head screwdriver and CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • 1xCR2032 battery
  • flat head screwdriver

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

A button battery installed in the your remote key fob. Open the key if it is in the remote key fob.

Accurately try to disassemble your fob with flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's body. Battery must be placed with the same polarity as was an old. Your key fob will not work if you mistakenly place battery wrong way.

After the new battery installed, check key fob by pressing buttons. If everything is functioning, assemble your keyless entry fob's case in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your body two halves together and put it together by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.

How to replace the battery video instruction

Chevrolet Remote Key Fob Battery Replacement - Cruze, Malibu, Sonic, Camaro, Spark, Volt, Bolt, etc.

Still not working? Buy new one

Frequently Asked Questions

Key fob of Chevrolet Blazer require 1xCR2032 batteries. Most CR2032 batteries are under $6 depending on the size packaging, type and brand you buy. You can take old battery to the store, with you 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. Otherwise, read user's manual or contact local dealer.

Yes, you can change battery in your 2019 Chevrolet Blazer remote key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty simple with our instruction.

Auto repair shop's pricing for change the battery in key fob is $50-600 depending on the brand.

You should change batteries inside keyless entry remote of Chevrolet Blazer at least every 4 years. The lifetime of battery vary on their amount of use, quality and operating conditions.

If your Blazer signal strength reduced, fob's battery more than 4 years old, key fob buttons not working or has low key battery indicator on dashboard, in most cases battery replace in remote key fob needed. Currently installed battery is weak with a high probability, but if it's not fix problem, key replace or repair needed.
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Fob Compatibility:

  1. FCC ID: HYQ4EA
  2. Models: 2019-2020 Chevrolet Blazer