How to Open Your 1993 Mercury Grand Marquis Key Fob and Change Battery

How to Open Your 1993 Mercury Grand Marquis Key Fob and Change Battery

Key fob grant access to your Grand Marquis. When the key battery is discharged you’ll not to be able lock car from distance. It's not difficult to replace the battery in your keyless entry remote with our instruction. All you need is described in this post.

What type battery remote key fob use

Before you start to open key fob be sure that you have all required tools and materials: 2xCR2016 batteries and flat head screwdriver.
  • flat head screwdriver
  • 2xCR2016 batteries

Step by step instruction

Inside of your keyless entry remote installed small coin battery. Delicately try to open your key fob with pry tools. Remove 2 CR2016 batteries with flat head screwdriver.

Replace old batteries with fresh one CR2016. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you connect battery wrong way.

After the new batteries installed, check remote key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's case in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the two halves in place by hands from top to bottom. Check your key fob body for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 1993 Mercury Grand Marquis Video

How To Replace Mercury Grand Marquis Key Fob Battery 1993 1994

Still not working? Buy new one


Remote key fob of Mercury Grand Marquis use 2xCR2016 batteries. Most CR2016 batteries are under $6 depending on the type, size packaging and brand you buy. You can take old battery to the store, to find a proper replacement.

Often, after key fob battery replace, you do not need to reprogram. Key fob reprogramming procedure often described in user's manual of your vehicle.

Changing your remote key fob battery is simple to do in 1993 Mercury Grand Marquis. Most of car manufacturers think of the customers and make a special hole for keyless entry remote open.

Dealer service pricing for change the battery in key is $50-600 depending on the make.

You should replace batteries inside key fob of modern cars at least every three years. The lifetime of battery vary on frequency of use, operating conditions and quality. Lithium cells usually will last longer.

If your auto fob's battery more than 4 years old, need multiple clicks to unlock or lock doors, has low key battery indicator on dashboard or key fob buttons not working, it's probably battery replace in keyless entry remote needed. Current battery is weak or dead with a high probability, but if it's not help, key replace or repair required.
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Fob Compatibility:

  1. FCC ID: GQ43VT4T
  2. Models: 1993-1994 Mercury Grand Marquis