How to Replace the Battery in a 2004 Pontiac Sunfire Key Fob

How to Replace the Battery in a 2004 Pontiac Sunfire Key Fob

Remote key fob grant easy access to your Sunfire. If the key battery is weak you lose your keyless entry fob's ability to control distance opening function. In this article, we described how to open your car remote key fob and replace your Pontiac key battery step by step.

What type battery does 2004 Pontiac Sunfire keyless entry remote required

Replacing battery in keyless entry remote require one CR2032 battery and flat head screwdriver. 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 replace the battery in your Sunfire's keyless entry remote

Inside of your keyless entry remote installed button cell battery. Gently try to open your key fob with pry tools. Change 1 CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Battery must be placed with the same position as was an old. Your remote key fob will not work if you mistakenly put battery wrong way.

After the new battery installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your case pieces together and put it in place by hands from top to bottom. Check 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

How To Replace Pontiac Sunfire Key Fob Battery 2000 2005

Still not working? Buy new one


Remote key fob of Pontiac Sunfire use 1xCR2032 batteries. Most CR2032 batteries are under $4 build upon the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

Keyless entry remote in most of cases reprogramming not required after battery change. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your remote key fob battery is easy to do in 2004 Pontiac Sunfire. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

Car service pricing for replace the battery in keyless entry remote is from $30 to as high as $500 depending on the brand.

You should change batteries inside keyless entry remote of modern cars at least every four years. The term of battery vary on their amount of use, quality and operating conditions. Lithium cells usually will last longer.

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

  1. FCC ID: L2C0005T
  2. Models: 2000-2005 Pontiac Sunfire