The 2010–2015 Prius uses the same key setup, so everything on this page applies to those years too. The full picture is on the Toyota Prius key guide.
2011 Toyota Prius: key facts
- Key type
- Smart / proximity key
- Push-to-start
- Yes
- Transponder chip
- G (DST80 smart)
- Programming
- OBD
- All keys lost
- We can originate new keys on site
HYQ14ACX fob (also used on 2010-2019 4Runner smart-key trims). All-keys-lost goes through Toyota's smart-code reset or documented aftermarket smart-system procedures.
Same key system as the 2010–2015 Prius
Toyota kept the Prius's key system unchanged across 2010–2015, so everything about replacing a 2011 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 Toyota Prius 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 Toyota programming in general on our Toyota key page.
We cover all these cities
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Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.