[Confirmed] Herald Classic 400 immobilizer not responding after new key

4231 views - Last reply: March 21, 2025
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Where's the key code stored in my Herald Classic 400 for key programming?

Hello! We've developed a VIN-based tool to help you get your key code for the Herald Classic 400. Check it out here: VIN Key Code Generator.

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Does this method work for the Herald Classic 400 models from 2010 onward?

Crossing my fingers—really need this for my Herald Classic 400!

My Herald Classic 400 is basically useless until I get this code. Fingers crossed.

My Herald Classic 400 is basically useless until I get this code. Fingers crossed.

I’m not alone! My Herald Classic 400 is doing the same thing.

Why is finding a key code on a Herald Classic 400 this hard?!

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Locksmiths or dealers can: 1) Decode your door or ignition lock to determine key cuts 2) Access your car's key code through manufacturer databases (with proof of ownership) 3) Program new transponder keys using diagnostic equipment.
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