2005 Mercury Mountaineer Key Fob Battery Replacement Instructions

2005 Mercury Mountaineer Key Fob Battery Replacement Instructions

Key fob grant easy access to your auto. Once the keyless entry remote battery is dead you’ll not to be able open car from distance. In this article, we outlined how to open your car remote key fob and change your Mercury key battery step by step.

What type battery keyless entry remote use

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

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

A small button battery installed in the your remote key fob. Delicately try to open your keyless entry remote with hands or flat head screwdriver. Remove 1xCR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling keyless entry fob's case, verify that everything working good by pressing buttons on circuit board.

The last thing to do is put your cover back on fob. Delicately try to assemble the pieces together by hands from top to bottom. Inspect your fob case for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video instruction

How To Replace Mercury Mountaineer Key Fob Battery 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Mercury Mountaineer require 1xCR2032 batteries. Price for CR2032 batteries are under $5 depending on the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

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

Yes, you can replace battery in your 2005 Mercury Mountaineer key yourself. Most hard part is to open keyless entry fob's case. It's pretty easy with our guide.

Dealer service price for change the battery in key fob is from 50 to 600 dollars depending on the make.

Keyless entry remote batteries in Mercury Mountaineer should be changed every three years, although this will differ based on their amount of use and build quality. If your remote key fob decreased signal strength, you should replace batteries before it stop close doors and make trouble for you.

These symptoms will warn you that it's possible time to change battery in your Mercury Mountaineer: key fob buttons not working, low key battery indicator on dashboard, you didn't change battery more than 4 years and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: CWTWB1U322
  2. Models: 2002-2010 Mercury Mountaineer