How to Open Your 2002 Mazda 626 Key Fob and Change Battery

How to Open Your 2002 Mazda 626 Key Fob and Change Battery

Keyless entry remote allow easy access to your auto. When the key fob battery is weak or dead you lose your fob’s ability to use remote opening function. Below, we outlined how to disassembly your car remote key fob and change your Mazda key battery step by step.

What type battery keyless entry remote require

Before going to open keyless entry remote make sure that you have all recommended tools and materials: flat head screwdriver and CR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step instruction

Inside of your remote key fob installed coin cell battery. Carefully try to disassemble your key with hands or flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's shell. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling fob’s case, check that everything is functioning by pressing buttons on key fob.

At this point squeeze fob’s back cover together. Line your case two halves together and put it in place by hands from top to bottom. Check your key shell for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video instruction

How To Replace Mazda 626 Key Fob Battery 1998 1999 2000 2001 2002

Still not working? Buy new one


Remote key fob of Mazda 626 use 1xCR2032 batteries. Price for CR2032 batteries are under $4 build upon the type, brand and size packaging you buy. Take your 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 keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your key fob battery is easy to do in 2002 Mazda 626. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

Auto repair shop's price for replace the battery in fob is $50-600 depending on the car.

You should replace batteries inside key fob of Mazda 626 at least every three years. The term of battery vary on frequency of use, operating conditions and quality.

These signs will warn you that it's perhaps time to replace battery in your 2002 Mazda 626: you didn't change battery more than 4 years, low key battery indicator on dashboard, signal strength reduced and key fob buttons not working.
Be the first to comment.
Your message is required.

Other Mazda Models:

Fob Compatibility:

  1. FCC ID: NHVWB1U215
  2. Models: 1998-2002 Mazda 626