How to Open Your 2004 Chrysler 300M Key Fob and Change Battery

How to Open Your 2004 Chrysler 300M Key Fob and Change Battery

If your car key is not unlock doors properly, the battery surely must to be changed. In this post, we described how to open your car remote key fob and change your Chrysler key battery.

What is the battery remote key fob require

Before going to disassembly key fob check all that you need: flat head screwdriver and two CR2016 batteries.
  • 2xCR2016 batteries
  • flat head screwdriver

Step by step guide

A small coin cell battery installed inside the your key fob. Delicately try to disassemble your fob with hands or flat head screwdriver. Change 2xCR2016 batteries with flat head screwdriver.

Replace old batteries with fresh one CR2016. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

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

At this point squeeze fob’s back cover together. Line your case pieces together and put it in place by hands from top to bottom. Check your key fob shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2004 Chrysler 300M Video

How To Replace A Chrysler 300 Key Fob Battery 2005 - 2008 FCC ID OHT692427AA

Still not working? Buy new one


Keyless entry remote of Chrysler 300M use 2xCR2016 batteries. Price for CR2016 batteries are under $4 depending on the size packaging, type and brand you buy. You can take old battery to the store, to be sure.

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

Replacing your key fob battery is easy to do in 2004 Chrysler 300M. Most of car manufacturers think of the clients and make a special hole for keyless entry remote disassembly.

Car service pricing for replace the battery in fob is from 50 to 600 dollars depending on the make.

You should replace batteries inside remote key fob of modern cars at least once in three years. lifespan of battery differ on their amount of use, quality and operating conditions. Lithium cells normally will last longer.

These symptoms will alert you that it's probably time to replace battery in your Chrysler 300M: 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:

  1. FCC ID: GQ43VT17T
  2. Models: 2001-2004 Chrysler 300M