HOW TO REPLACE KEY FOB ON MAZDA 2 3 5 6 CX7 CX9 MIATA MX5 RX8 CX-7 CX-9

HOW TO REPLACE KEY FOB ON MAZDA 2 3 5 6 CX7 CX9 MIATA MX5 RX8 CX-7 CX-9

If the key fob on Mazda is broken or wore out this is the right video for you. In order to repair your key fob you do not have to go to the dealership to have new key made, you can just buy the key fob case and replace the key fob by yourself. It will take you only a few minutes. We demonstrated how to replace the key fob on Mazda CX-7 but the same key fob design has been used on many Mazda cars.
This video may be helpful on:
Mazda 2 Key Fob Replacement
Mazda 3 Key Fob Replacement
Mazda 5 Key Fob Replacement
Mazda 6 Key Fob Replacement
Mazda cx-9 Key Fob Replacement
Mazda miata MX-5 Key Fob Replacement
Mazda rx8 Key Fob Replacement

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We, Auto Repair Guys, are not responsible for property damage or injury incurred as a result of any of the information contained in this video. Information given in this video does not guarantee the desired outcome. Any injury, damage or loss that may result from improper use of the tools, equipment, or the information contained in this video is the sole responsibility of the user and not Auto Repair Guys.

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[DanielBoffo]

Mate, you’re a bloody legend as you’ve saved me $165 to do a 5 min job. Who knew the Mazda emblem on the fob came out and a screw was hiding underneath. Thank you so much. Best YouTube video in years. 👍👍👍

[bignamek]

This is the best video for Mazda key fob replacement because it opens the key-spring assembly and points out the immobilizer. Here are some tips though:

1. If you are using a new key fob, your new fob won’t work without the immobilizer. The immobilizer is simply a small magnet as pointed out in the video at about 4:15.

2. Remove the immobilizer by simply turning the opened assembly over and tap it out. In my case it simply dropped out without any extra effort.

3. If you are using a new fob with a blank key, any professional key cutting service can cut it for you. For me it cost about $10 and took 10 minutes.

4. Instead of programming a new fob, you can just transfer the battery and electronic components from your old fob to the new one.

[dmovek]

you are the only video that mentioned the mobilizer. I switched a fob & car would not turn over. I've been working on this for hours and not one video mentioned mobilizer chip.
Thank you so much

[teachthempiano]

Thank you for helping me save nearly $200 for my 2008 Mazda5 fob replacement. I ordered a generic fob/case form ebay, and had Home Depot copy the key. I used everything from the new fob except the radio circuit and the small part of the old fob that houses the immobilizer, and the old screw for that part. Spent <$15 and works like new.

[Maye_li]

Thank you so much!!! I was panicking when I accidentally broke the tooth part of the key while I was trying to replace the battery... I will follow your instructions! Thanks for the video. You saved me a lot of money and a major headache!!

[TracyMunro-bz]

Perfect instructions. Fixed my keys in no time! Thanks a bunch!

[deankay]

Very nice video to show how to change the key & spring. Bad ass looking switch-blade action there Mazda! As a guy who has repaired vehicles from the late 60’s and ASE Master Tech in 1978, please use a finder cover if using the hood as a light duty work bench. It is, at least to me, disrespectful to the customer and protects the finish. Painting the hood on a solid color 10-15 year old vehicle is not easy to match and a lot of work. Also, every good tech has some super glue in the tool box. Right!

[prn]

Great tutorial sir. I just fixed my Mazda keys with your help. Much appreciated and "liked".

[johnschmidt]

Great video. I didn't know about the inhibitor until I saw your video. Now my key starts the car. Thanks

[RSPavel]

You should at first split the fob part of the key and the second part with electronics however this DYI is useful for those who need to change battery and cannot split mentioned parts because somebody glued them together because of broken hook in fob part. So in this case you can replace a battery by removing upper part of the key (with buttons) as on video at 1:29 min.

[timcolvin]

Okay guys, thanks for the info guys, good video guys, I love your style guys, keep up the good work

[mdnite]

Great video! The whole time I was thinking please put everything on a nice clean towel so it wouldn’t scratch the paint or the parts roll off the car. Good job though! 👍

[vinicioortiz]

Thank you I am your fan now. You save a lot. OF TIME AND MONEY

[andynorris]

I don't tend to do such projects on the bonnet of my car - high risk of scratching and losing something small

[AlexandraBernabela]

Anyone knows how to remove the immobiliser to transfer it to new case ? Unfortunately the video is missing the most important parts

[moelo]

My key fob fell out of my pocket and fell on the ground and everything came apart. I put it back together but for the life of me it would not turn. After watching this I realize the immobilizer fell out and it was so small I did not notice. Do you know if I can buy only the immobilizer from Mazda?

[wordtruth]

None of these parts open this easy. You will end up breaking them or have major scratches on them. But, thanks for the video.

[AlexandraBernabela]

Great explnation, only bit confusing switching keys and you went bit too fast had to replay certain parts. But fixed my keys less tham €15

[hernchen]

My Mazda 3 key no longer pop up. Open the key as shown in the video to find out that a plastic part was broken. Searching and found key flip shell on ebay for $3.80. Thanks a lot.