[Closed] Key cut but not programmed - Bugatti Type 57S Prototype stuck

2059 views - Last reply: April 20, 2025
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Where's the key code located to program keys for my Bugatti Type 57S Prototype?

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Replies (5)

I’m also looking for how to retrieve the key code on a Bugatti Type 57S Prototype.

My mechanic said this might help with my Bugatti Type 57S Prototype key issue.

Saved me from towing my Bugatti Type 57S Prototype. Thanks!

Trying to figure this out for my Bugatti Type 57S Prototype too!

My Bugatti Type 57S Prototype needs a new key but I need the code first. Help!

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An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
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