2001 Mercury Cougar Key Fob Battery Replacement Guide
If your Mercury remote key fob is no longer working perfectly, the cell battery surely needs to be changed. In this case, we demonstrate how to open Mercury remote key fob and replace a weak or dead battery yourself. If you decide to do it at home near Cougar, use this guide, but first make sure you have tools and materials required before you start.
What type battery key fob requirePrior to open remote key fob be sure that you have all required tools and materials: one CR2032 battery and flat head screwdriver.
- 1xCR2032 battery
- flat head screwdriver
Simple steps to replace the battery in your car's keyless entry remote
A tiny button cell battery installed inside the your key fob. Accurately try to disassemble your keyless entry remote with hands or flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.
Change old battery with fresh one CR2032. 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 position on battery, by "+" mark.
Before assembling fob’s case, verify that all functions works by testing buttons on key fob.
At this point squeeze keyless entry fob's back cover together. Line your case two halves together and assemble it in place by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.
How to change the battery video instruction
How To Replace Mercury Cougar Key Fob Battery 1999 2000 2001 2002
Still not working? Buy new one