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Discussion Starter #1
Last article I introduce the basic theory of making a car key yourself(not OEM, check my profile to read that article), today I will break down the process, so we can go through the details and have a better understanding for how it works. The tool in this case is from a diagnostic tool brand.



Preparation:

Battery level not lower than 12.5V during the whole process.

Each key’s remote signal matching process not longer than 15 seconds.

Doors and trunk lid are closed before starting.

Steps:

Ignition ON

Choose the correct car model on the pad, then choose central lock system

Choose Adaption and Matching-->remote control self-adaption

Input the key number you want to matching and save it, e.g. 2

Ignition OFF, pull out the key. And press the remote key button at least for 1 second but not longer than 15 seconds in sequence, when the door lock gives feedback, matching is done.

Looking through the whole process, it’s like let the car ECU and door lock recognize the remotes with the help of professional tool. All tech are integrated in one tool, actually there are very few difficult operation left for the people that conducting the process.
 

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Discussion Starter #3
Would putting the baseline year for applicable car models have been too much to ask?
Hi, different brands and makes have different time, do you mind tell me your car model, and I will ask my mentor, he knows better than me.
 
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