[Free Tool] Trying to program a spare key - need the key code for my 2020 Hyundai Elantra SEL Sedan

2290 views - Last reply: May 21, 2025
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Looking for my 2020 Hyundai Elantra SEL Sedan's key code to program a new key fob

Hello! We've developed a VIN-based tool to help you get your key code for the 2020 Hyundai Elantra SEL Sedan. Check it out here: VIN Key Code Generator.

Replies (5)

Does anyone know if this works on push-start 2020 Hyundai Elantra SEL Sedans?

Key code problems with my 2020 Hyundai Elantra SEL Sedan as well. Subscribed!

My 2020 Hyundai Elantra SEL Sedan refuses to start. Could be the key code—trying this fix.

Good luck to everyone dealing with 2020 Hyundai Elantra SEL Sedan key issues!

Following this for my 2020 Hyundai Elantra SEL Sedan. Please update if it works!

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Key Fob Issues
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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Key Programming
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Lost Keys
Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
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