Buick LeSabre 2000-2006 Key Codes

The Buick LeSabre 2000-2006 uses key code series O, with 2,000 documented codes spanning the range O5000-O6999. Uses a 10-cut double-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer. The lock is decodable with 3 Lishi tools — sign in for the specific match. Bitting data verified as of March 30, 2026.

Code prefix
O
Code range
O5000-O6999
Years
2000-2006
Total codes
2,000
Lishi decodable
Yes (3 tools) — sign in for tool name
Cuts per key
10
Last verified

Common questions

What key code series does the Buick LeSabre 2000-2006 use?
The Buick LeSabre 2000-2006 uses key code series O, with 2,000 documented codes ranging from O5000-O6999.
Can the Buick LeSabre 2000-2006 lock be decoded?
Yes. A Lishi-style 2-in-1 decoder reads the door or ignition lock without disassembly, revealing the bitting code that can be cross-referenced against this series' key code database. The specific Lishi tool match for this vehicle is available to signed-in locksmiths.
How many cuts does a Buick LeSabre 2000-2006 key have?
10 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
When was the Buick LeSabre 2000-2006 key data last verified?
Bitting data for the Buick LeSabre 2000-2006 was last verified March 30, 2026. Verification timestamps are tracked per series, and updates appear here as locksmiths confirm code accuracy in the field.

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