[Status: Resolved] Key code not working on my 2021 Lexus RX 350L

2702 views - Last reply: April 07, 2025
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How can I access my 2021 Lexus RX 350L's key code to program new keys?

Hello! We've developed a VIN-based tool to help you get your key code for the 2021 Lexus RX 350L. Check it out here: VIN Key Code Generator.

Replies (4)

Really hoping this unlocks my 2021 Lexus RX 350L's mystery code.

Following this for my 2021 Lexus RX 350L. Please update if it works!

Wish I found this thread before towing my 2021 Lexus RX 350L.

Been here before with my 2021 Lexus RX 350L. Let’s see if this one works.

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Key Tip: Newer cars often require dealer programming for first key replacement
Lost Keys
Costs vary widely: Basic keys: $50-$150, Transponder keys: $150-$300, Smart keys/fobs: $200-$800, Dealership replacements typically cost 20-50% more than locksmiths. Emergency/lockout service adds $50-$150.
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