How to Open Your 2008 Mazda 5 Key Fob and Change Battery

How to Open Your 2008 Mazda 5 Key Fob and Change Battery

If your car key fob is no longer unlock doors correct, the battery surely needs to be changed. In this article, we described how to disassembly your keyless entry remote and replace your Mazda key battery.

What kind of battery remote key fob use

Changing battery in key fob require flat head screwdriver and one CR1620 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • 1xCR1620 battery
  • flat head screwdriver

Step by step instruction

A tiny button cell battery installed in the your remote key fob. Move the key out of the way if it is in the key fob.

Carefully try to disassemble your keyless entry remote with hands or flat head screwdriver. Replace CR1620 battery with flat head screwdriver.

Now it's time to install new battery in fob’s case. Battery must be placed with the same polarity as was an old. Your keyless entry remote will not work if you by mistake place battery wrong way.

Before assembling keyless entry fob's case, verify that all is functioning by testing buttons on keyless entry remote.

At this point squeeze fob’s back cover together. Line your case two halves together and assemble it together by hands from top to bottom. If your key fob case tightly closed, we done. If not, repeat the last step.

Video of keyless entry remote opening

How To Replace A Battery In A Mazda Key Fob

Still not working? Buy new one


Remote key fob of Mazda 5 use 1xCR1620 batteries. Most CR1620 batteries are under $6 depending on the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Key fob in most of cases reprogramming not required after battery replace. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your keyless entry remote battery is easy to do in 2008 Mazda 5. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

The price to replace the battery in fob is from $30 to as high as $500 depending on the brand and the service station.

Key fob batteries in Mazda 5 should be replaced every 4 years, also this will differ based on frequency of use and build quality. If your remote key fob decreased signal strength, you should replace batteries before it stop close doors and make trouble for you.

If your auto signal strength reduced, fob's battery more than 4 years old, has low key battery indicator on dashboard or key fob buttons not working, it's probably battery change in keyless entry remote needed. Current battery is dead with a high probability, but if it's not help, key fob replace or repair required.
Be the first to comment.
Your message is required.

Fob Compatibility:

  1. FCC ID: BGBX1T478SKE12501
  2. Models: 2006-2015 Mazda 5