Lonsdor K518 Program Mazda3 Alexa 2017 Smart Key

Guide to add smart key and program all keys lost on a Mazda3 Alexa 2017 by Lonsdor K518 key programmer via OBD.
Key information:
Chip type: special smart card
Frequency: 433MHz
Pin code: No
Remote generation: smart key programming completed will generate remote automatically
Device to program: Lonsdor K518ISE (English version of K518)
OBD location: Under the steering wheel


1: Add smart key
Connect K518 from Obd2tool.com host with vehicle via diagnostic socket
Select Immobilizer->Mazda->Alexa
Communicating…
K518 read part number

Turn ignition switch to ON position

K518 identified key programmed: 2

Communicating…
Stick the non-registered smart key on the Start button

Programming…
Automatic model please step on the pedal brake
Manual model please step on the clutch

Programming…
Identify key programmed: 3

Turn ignition OFF
All programmed key must perform following operations:
Step on pedal brake, press on Start button with remote key with car logo mark and start turn IGN ON
Turn IGN OFF after 3s

Program success

1: All keys lost
Connect K518ISE host with vehicle via diagnostic socket
Select Immobilizer->Mazda->Alexa
Communicating…
K518 read part number
Require at least 2 keys

Turn ignition ON. If cannot switch ignition on, please press on Cancel button

Communicating…
Key programmed:3

Communicating…

Lonsdor K518ISE identified key programmed: 0

Turn ignition OFF

Hold non-registered smart key in hand

Turn ignition ON
Stick 1st smart key with logo on the Start button

Programming…
Key programmed:1

Turn ignition off
Hold non-registered smart key in hand
Turn ignition ON
Stick 2nd smart key with logo on the Start button

Programming…
Key programmed: 2

Turn ignition OFF
All programmed key must perform following operations:
Step on pedal brake, press on Start button with remote key with car logo mark and start turn IGN ON
Turn IGN OFF after 3s

Program success.

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