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