How to Open Your 2011 Mercury Mariner Key Fob & Change Battery
Keyless entry remote grant easy access to your car. If the key battery is weak or dead you’ll lose your keyless entry fob's ability to use distance opening function. It's not difficult to change the battery in your key fob, and it’s easier than you think. All tools, that you need is described in this article.
What kind of battery remote key fob useChanging battery in keyless entry remote require flat head screwdriver and 1 CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
- flat head screwdriver
- 1xCR2032 battery
Step by step instruction
A small coin battery installed inside the your key fob. Remove any internal key first, and then try to pry apart the keyless entry remote.
Accurately try to pry apart your remote key fob with hands or flat head screwdriver. Remove 1 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 remote key fob will not work if you put battery wrong way.
When the new battery installed, check key fob functionality by pressing buttons. If everything working properly, assemble your keyless entry fob's body in reverse order.
At this point squeeze fob’s back cover together. Line your shell pieces together and put it together by hands from top to bottom. Check your key fob case for gaps. If it is not firmly closed try to repeat last step.
How to change the battery video instruction
How To Replace Mercury Mariner Key Fob Battery 2005 2011
Still not working? Buy new one