How to Open Your 1994 Mercury Cougar Key Fob and Change Battery

How to Open Your 1994 Mercury Cougar Key Fob and Change Battery

If your car key is not unlock doors perfectly, the battery probably must to be changed. In this post, you’ll benefit from knowing how to disassembly Mercury keyless entry remote and replace a weak battery DIY. If you decide to do it at home near Cougar, follow our instruction, but first make sure you have all you need.

What size battery does 1994 Mercury Cougar remote key fob take

Before beginning disassembly remote key fob make sure that you have all required tools and materials: two CR2016 batteries and flat head screwdriver.
  • 2xCR2016 batteries
  • flat head screwdriver

Step by step guide

Inside of your remote key fob installed tiny button cell battery. Delicately try to disassemble your key with pry tools. Change two CR2016 batteries with flat head screwdriver.

Change old batteries with new one CR2016. 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.

Before assembling fob’s case, verify that all is functioning by pressing buttons on circuit board.

The last thing to do is put your cover back on fob. Accurately try to put the pieces in place by hands from top to bottom. If your key fob body firmly closed, we done. If not, repeat the last step.

How to replace the battery video instruction

How To Replace Mercury Cougar Key Fob Battery 1993 1994 1995 1996 1997

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Mercury Cougar use 2xCR2016 batteries. Price for CR2016 batteries are under $5 build upon the brand, type and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Keyless entry remote in most of cases do not require to be reprogrammed after battery replace. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can replace battery in your 1994 Mercury Cougar key yourself. Most difficult part is to disassembly fob’s case. It's pretty easy with our guide.

The price to change the battery in remote key fob is in range $50-600 depending on the brand and the service pricing.

You should replace batteries inside keyless entry remote of Mercury Cougar at least once in three years. The lifetime of battery differ on their amount of use, quality and operating conditions.

If your Mercury fob's battery more than 4 years old, has low key battery indicator on dashboard, key fob buttons not working or signal strength reduced, in most cases battery change inside keyless entry remote needed. Installed battery is dead with a high probability, but if it's not fix problem, keyless entry remote change or repair required.
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Fob Compatibility:

  1. FCC ID: GQ43VT4T
  2. Models: 1993-1997 Mercury Cougar