2009 Mercury Marquis Key Fob Battery Replacement Instructions
If your Mercury remote key fob is not unlock doors perfectly, the battery more likely must to be replaced. Below, we explained how to open your key fob and replace your Mercury key battery step by step.
What size battery does 2009 Mercury Marquis remote key fob requiredBefore going to open keyless entry remote check all that you need: one CR2032 battery and flat head screwdriver.
- 1xCR2032 battery
- flat head screwdriver
Simple steps to replace the battery in your Marquis's key fob
Inside of your key fob installed small button battery. Carefully try to disassemble your key fob with hands or flat head screwdriver. Remove one CR2032 battery with flat head screwdriver.
Change old battery with new one CR2032. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you connect battery wrong way.
When the new battery installed, verify remote key fob by pressing buttons. If everything is functioning, assemble your keyless entry fob's body in reverse order.
The last thing to do is put your cover back on fob. Delicately try to assemble the two halves in place by hands from top to bottom. If your remote key fob case firmly closed, we done. If not, repeat the last step.
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