How to Program Mazda3 Alexa 2017 All Keys Lost with Lonsdor K518



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 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 K518 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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