The 2006–2010 Sonata uses the same key setup, so everything on this page applies to those years too. The full picture is on the Hyundai Sonata key guide.

2010 Hyundai Sonata: key facts

Key type: Transponder chip key
Push-to-start: No
Transponder chip: ID46 (PCF7936/PCF7952)
Programming: OBD
All keys lost: We can originate new keys on site

NF generation. This generation is absent from Hyundai's no-immobilizer anti-theft list, consistent with a standard immobilizer; OEM HYN14RT14-family ID46 keys.

Same key system as the 2006–2010 Sonata

Hyundai kept the Sonata's key system unchanged across 2006–2010, so everything about replacing a 2010 key — blanks, programming, and what happens if every key is lost — matches the rest of that run. The full year-by-year breakdown lives in our Hyundai Sonata key guide.

What drives the price is the key type, whether you still have a working key, and where the car is parked. There's more on Hyundai programming in general on our Hyundai key page.

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Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.

2010 Hyundai Sonata key replacement

2010 Hyundai Sonata: key facts

Same key system as the 2006–2010 Sonata

We cover all these cities