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2011 Kia Optima
Key Replacement - Save vs Dealer in Ventura County

Skip the Dealer Markup | Mobile Service

Available
2011 Kia Optima Smart Key
Smart Key

Dealerships charge a premium because they can. We don't. Same key, same programming, same quality - just without the markup. Call for an honest quote with no hidden fees.

CA BSIS LICENSE LCO#6792
Best Price in Town Pro Service No Surprise Charges
Fast Response15-25
min arrival
1,000+reviews
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2011 Kia Optima key info from mobile locksmith EZ Car Keyz Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2011 Kia Optima key info from mobile locksmith EZ Car Keyz Ventura CA
Key specialists
Best Price Guaranteed
Specialized in keys only - no overhead markups
Fixed pricing
No Hidden Fees
Key + cutting + programming all included in one price
Fast mobile service
We Come to You
Mobile service at no extra charge, 15-25 min
805 Special
10% OFFCODE:EZ-805-2026

🔥 Skip the dealer markup today 🔥

Save on cuts, cloning & programming
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2011 Kia Optima
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Kia key typeMost Popular
2011 Kia Optima Smart Key SY5HMFNA04
FCC IDSY5HMFNA04Part #95440-3N250Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2011 Kia Optima Transponder Key
FCC IDPart #G0001-G2500ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2011 Kia Optima Remote NYOSEKS-TF10ATX
FCC IDNYOSEKS-TF10ATXPart #95430-2T000Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2011 Kia Optima Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2011 Kia Optima Remote Head Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Mobile 2011 Kia Optima key fob programming by EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
Mobile 2011 Kia Optima key fob programming by EZ Car Keyz Ventura CA
🔧 PRO TIP
The 2011 Optima splits by trim. LX gets a traditional flip key (NYOSEKSAM11ATX) with a standalone transponder. EX and SX trims run the SY5HMFNA04 smart key on Kia's ID46 Hitag2 immobilizer system, push-button start, proximity entry. A dying CR2032 throws "Key is Not Detected" on the dash and kills the proximity unlock range before anything else. Swap the battery first, but know that a weak cell can also cause intermittent no-crank even when the message clears.
Related services: Ignition Repair · Smart Key

Kia Optima: Dealer Markup vs Fair Pricing

Real numbers, real savings on your key

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
Save hundreds without sacrificing quality
Book Service (805) 790-8162

2011 Kia Optima Smart Key Replacement - Fast, Affordable & Professional

A nanny doing preschool pickup in Ventura's Avenue neighborhood called me on a Wednesday afternoon. She had a 2011 Kia Optima EX, push-to-start, and the only smart key had gone through the washing machine that morning. Two kids already buckled in the back seat, parents expecting everyone home in about an hour.

She had already called the dealer. They said Friday at the earliest. That is two days of no car, plus a tow to get it there.

I pulled up to the preschool lot about 35 minutes after her call. The fob was toast. Water had corroded the board contacts and shorted the CR2032. No amount of drying was bringing it back.

I connected my Smart Pro to the OBD-II port, pulled the system PIN from the immobilizer module, and started the smart key registration. Her new SY5HMFNA04 fob was learned to the car, proximity entry tested on all four doors, push-button start confirmed, and the old dead fob erased from the system so it could never be used if someone found it.

Total time on site was about 20 minutes. She pulled out of that lot with both kids, made it home before the parents got there, and never had to deal with a tow truck or a service counter. The whole thing, phone call to driving away, was under an hour.

Save vs the Dealer on Your Kia Optima Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (805) 790-8162 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
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Liability & vehicle damage coverage
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Also serving: Casitas Springs · College · Downtown Ventura · East Ventura

Kia Optima Rapid Response, Done Right

Rapid response in the field

Mobile 2011 Kia Optima key replacement at your location in Ventura CA
Smart Key | Rapid On-Site Service
2011 Kia Optima | Ventura County
Mobile 2011 Kia Optima key replacement at your location in Ventura CA
2011 Kia Optima Smart Key
2011 Kia Optima
Smart Key | Programmed for Less
Estimated arrival time to Ventura
Quick & Affordable
Rapid Arrival
Available Today
Service location Ventura
Ventura
Best Rate Here
805 Area
Same-Day Keys (805) 790-8162

Happy Customers, Happy Wallets

Fair pricing that earns five stars

P
Priscilla L.
May 2025
★★★★★

“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”

Google Review
D
Dan G.
Mar 2024
★★★★★

“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”

Yelp Review
T
TJ P.
Jun 2025
★★★★★

“About 15 minutes after calling, he was already at my home. I had lost my original Ford key and he made and programmed a new one on the spot. Very fast, very professional.”

Google Review
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Customer review of mobile 2011 Kia Optima key service by EZ Car Keyz Ventura CA
“Real savings, real reviews.”
Customer review of mobile 2011 Kia Optima key service by EZ Car Keyz Ventura CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Kia Optima Mobile Service FAQ

Real costs, no dealer surprises

How long does a 2011 Kia Optima smart key replacement take on site?
About 20 to 40 minutes once I am at your car. The ID46 Hitag2 system on the EX and SX trims needs a PIN pull from the immobilizer through OBD-II, then the new SY5HMFNA04 fob gets registered and the proximity entry and push-button start are tested door by door. An all-keys-lost job adds a few minutes because the system has to be fully reset before learning anything new. Still well under an hour. Kia owners on forums report dealer waits of two to three weeks just to get on the schedule, and that is before the actual work even starts.
How quickly can you get to me in the Avenue neighborhood area of Ventura?
Can I actually get a replacement smart key made the same day I call?
My 2011 Optima sometimes says "Key is Not Detected" but the fob battery is new. What is going on?
Can I program a replacement SY5HMFNA04 smart key myself to save money?
Questions? Call (805) 790-8162

Kia Optima Key Service Areas

Honest rates, wherever you are

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Mobile 2011 Kia Optima locksmith service area in Ventura County CA
Mobile 2011 Kia Optima locksmith service area in Ventura County CA
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Kia Optima car key replacement video
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Save vs the Dealer on Your Kia Optima Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

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