How to Replace the Battery in a 2010 Mercury Marquis Key Fob

How to Replace the Battery in a 2010 Mercury Marquis Key Fob

Key fob grant easy access to your car. Once the key fob battery is weak or dead you’ll lose your keyless entry fob's ability to control remote opening function. It's not difficult to change the battery in your remote key fob with our ultimate instruction. All tools, that you need is described below.

What is the battery key fob require

Prior to disassembly key fob be sure that you have all required tools and materials: 1 CR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to change the battery in your car's key fob

A small coin battery installed in the your key fob. Accurately try to disassemble your keyless entry remote with pry tools. Replace one CR2032 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's body. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.

When the new battery installed, verify remote key fob functionality 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 put the two halves together by hands from top to bottom. If your key body tightly closed, we done. If not, repeat the last step.

Video of key fob disassembly

How To Replace Mercury Grand Marquis Key Fob Battery 2007 2008 2009 2010 2011

Still not working? Buy new one

FAQ

Keyless entry remote of Mercury Marquis use 1xCR2032 batteries. Most CR2032 batteries are under $5 build upon the type, size packaging and brand you buy. Take your old battery to the store, to be sure.

Usually, after key battery change, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can change battery in your 2010 Mercury Marquis keyless entry remote yourself. Most difficult part is to disassembly keyless entry fob's case. It's pretty easy with our step by step guide.

Dealer service price for change the battery in fob is from $30 to as high as $500 depending on the make.

You should change batteries inside keyless entry remote of modern cars at least once in three or four years. The term of battery differ on usage time, operating conditions and quality.

If your Marquis key fob buttons not working, fob's battery more than 4 years old, need multiple clicks to unlock or lock doors or has low key battery indicator on dashboard, in most cases battery change inside keyless entry remote required. Currently installed battery is dead with a high probability, but if it's not fix, keyless entry remote replace or repair needed.
Be the first to comment.
Your message is required.

Fob Compatibility:

  1. FCC ID: CWTWB1U322
  2. Models: 2007-2011 Mercury Marquis