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Thread: How to: Mazda CX-5 all key lost

  1. #1
    Registered Member

    Mazda CX-5 2.0 SE-L 5dr 2013

    Join Date
    Apr 2016
    California, U.S.A

    How to: Mazda CX-5 all key lost


    two keys, a Mazda OBD key programmer

    Vehicle model: Mazda CX5


    (Notice: there are two selections ENT and ESC at the bottom of the OBDSTAR F-100 key pro. Press ENT means to continue,and press ESC means to return.)

    Connect F100 to the car.

    The programmer tool starts, and press ENT

    Select Mazda CX5

    With start


    Switch ignition on

    Follow the tip that all the smart key out of the car 1 meters away.


    Press and hold the vehicle start button for 10 seconds, Start button indicator

    Select all smart keys lost

    Instruction: All smart keys will be erased, MIN keys are required

    Switch ignition on


    Current number of smart key:2

    Press ENTER to continue, press ESC to return

    Configuring the system, please wait…

    Reading vehicle information…

    Configuring the system, please wait…

    Current number of smart key: 0

    Erase complete

    Configuring the system, please wait…

    Switch ignition off

    Press press button and follow the steps

    Use a new smart key to contact start button, press ENTER to continue

    Configuring the system, please wait

    Current number of the system smart keys: 1

    Program success, whether to program next one? Press ENTER to continue ,press ESC to return.

    Switch ignition off and configuring the system, please wait…

    Press start button and follow the same steps like the first key

    Then current number of smart keys: 2

    You have to complete the following procedures, engine can be started:

    Switch ignition off
    Put on the brakes, the key 1 press start button to start the engine for 3 seconds, then turn off the ignition switch
    If you want to add more keys, please repeat procedure 2, complete.
    Finally, test the new keys to test if they can work.

  2. #2
    Registered Member Conrad 16.5's Avatar

    2016.5 CX-5 Grand Touring AWD titanium/black

    Join Date
    Sep 2016
    Northern Illinois
    How are you able to turn the ignition on without a key that's recognized by the system?
    "Don't bother me with facts, Son. I've already made up my mind." -Foghorn Leghorn

  3. #3
    Registered Member

    2016 CX-5

    Join Date
    Dec 2016
    Mazdaland, Philippines
    Thanks for the write up! SAVED!

  4. #4
    Registered Member
    Donated: $15

    2016.5 CX 5 Touring AWD

    Join Date
    Mar 2013
    ABE area, Pennsylvania, USA
    Thanks for the write up. That tool is about $136. How much would it cost to have it done from the dealer?

  5. #5
    Registered Member yrwei52's Avatar
    Donated: $8

    2016 Mazda CX-5 GT AWD w/Tech

    Join Date
    Mar 2015
    Plano, Texas, USA

    Arrow How to: Mazda CX-5 all key lost

    Quote Originally Posted by madar View Post
    Thanks for the write up. That tool is about $136. How much would it cost to have it done from the dealer?
    I've seen people say Mazda dealer will charge somewhere around $70 for programming the key fob and $10 for cutting the mechanical key.

  6. #6
    Registered Member

    CX-5 Sport 6MT

    Join Date
    Jun 2012
    SF Bay Area
    Has anyone used the obdstar? I'm getting a quote of about $300+ to get obtain a new key and have it programmed by a dealer

  7. #7
    Registered Member Srad600's Avatar

    2016 CX-5AWD GT+Tech/ 2018 CX-9AWD GT

    Join Date
    Jun 2015
    Chino hills, California
    Nice write up, thanks.

  8. #8
    Registered Member Dnut999's Avatar

    2016 CX-5 Grand Touring

    Join Date
    Dec 2015
    Oakland, CA
    Thanks for the writeup.

  9. #9
    Registered Member

    Mazda,2014 CX-5 GT AWD w/tech

    Join Date
    May 2017
    Southern NH
    Has anybody used this? Have to program several keys. But dont want to kill my last one.

  10. #10
    On my 4th Mazda

    '17 CX-5 Grand Touring

    Join Date
    Jun 2006
    Kansas City, MO
    Forgive me if this has been discussed but I can't find. I'm coming from Ford world, where if you have two good PATS keys, you can program spares yourself without any extra equipment like what had to be used here. Is that not an option with these remotes?

    Mine: 2011 Mustang GT
    Hers: 2017 CX-5 Grand Touring - Snowflake White Pearl Mica w/ Parchment Interior

    Dearly Departed: 2003 Protege5, 2003 6s, 2008 3s GT hatch

  11. #11
    Registered Member gova's Avatar

    '14.5 CX-5 Touring AWD, Soul Red | '14 CX-5 Touring AWD White

    Join Date
    Jul 2012

    Can F100 be replaced by a phone application that 'talks' to OBDII?

  12. #12
    Registered Member

    CX5 2.0

    Join Date
    Aug 2017
    i noticed that your 2nd key has 3 button (trunk release), does it work after you programmed it?

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