Kia Optima Key Fob Replacement
Replacement remotes and smart keys for the Kia Optima, matched to your exact vehicle by FCC ID, frequency and transponder chip. Every option carries a fitment confidence score — buy the right key the first time.
3 keys that fit your Kia Optima
Confirm before you order
Trims and build dates can change which fob a Optima uses. The surest match is the FCC ID printed on the back of your current key — compare it to the code on each listing.
Kia Optima key replacement — what to know
Losing or breaking the key fob for your Kia Optima doesn't mean a costly trip to the dealer. The Optima uses a smart / proximity keys, and as long as the FCC ID, frequency and transponder chip match, an OEM or quality aftermarket remote will operate your locks, trunk and alarm just like the original.
At KEYHAUS we focus exclusively on remote keys, so every Optima listing is cross-referenced to the original equipment part numbers and scored for fitment confidence. You'll see the exact FCC ID (TQ8-FOB-4F08), the chip type, and whether the key can be self-programmed at the OBD port or needs a locksmith — before you add it to your cart.