The 2011–2015 Optima (K5 since 2021) uses the same key setup, so everything on this page applies to those years too. The full picture is on the Kia Optima (K5 since 2021) key guide.
2013 Kia Optima (K5 since 2021): key facts
- Key type
- Mechanical (no chip)
- Push-to-start
- No
- Transponder chip
- 46 (Philips Hitag 2) — smart-key trims only
- Programming
- OBD
- All keys lost
- We can originate new keys on site
Base and mid trims use a turn-key ignition with NO immobilizer — the 2011-2020 Optima is in the Hyundai/Kia theft class list (consumeraffairs.com) — so a correctly cut key is all that is needed and there is no transponder programming. EX/SX smart-key trims with push-button start use an ID46 proximity fob programmed by OBD.
Same key system as the 2011–2015 Optima
Kia kept the Optima's key system unchanged across 2011–2015, so everything about replacing a 2013 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 Kia Optima 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 Kia programming in general on our Kia 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.