2009 Mercury Grand Marquis Key Fob Battery Replacement Guide
If your Mercury key is no longer working perfectly, the cell battery surely needs to be changed. In this article, we described how to open your keyless entry remote and change your Mercury key battery step by step.
What size battery does 2009 Mercury Grand Marquis key fob takeReplacing battery in key fob require flat head screwdriver and CR2032 battery. 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 Grand Marquis's keyless entry remote
Inside of your keyless entry remote installed button battery. Carefully try to pry apart your fob with hands or flat head screwdriver. Change 1 CR2032 battery with flat head screwdriver.
Replace old battery with fresh one CR2032. Battery must be placed with the same polarity as was a previous. Your key fob will not work if you by mistake put battery wrong way.
Before assembling keyless entry fob's case, check that all functions works by pressing buttons on remote key fob.
The last thing to do is put your cover back on fob. Accurately try to assemble the pieces together by hands from top to bottom. If your keyless entry remote body firmly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2009 Mercury Grand Marquis Video
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