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2005 Toyota Prius
Key Replacement - Save vs Dealer in Ventura County

Licensed, Certified, and Proven

Available
2005 Toyota Prius Smart Key
Smart Key

Not all locksmiths are created equal. EZ Car Keyz is BBB A+ rated, fully licensed and insured, and trusted by thousands of customers across the area. Your vehicle is in good hands.

CA BSIS LICENSE LCO#6792
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min arrival
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2005 Toyota Prius car key service at your door in Simi Valley CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2005 Toyota Prius car key service at your door in Simi Valley CA
Key specialists
BSIS Licensed
Licensed by the California Bureau of Security
Fixed pricing
NASTF Certified
National Automotive Service Task Force approved
Fast mobile service
1,000+ Reviews
Five-star rated on Google, Yelp, and BBB A+
805 Special
10% OFFCODE:EZ-805-2026

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Professional service at a better price
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2005 Toyota Prius
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Toyota key typeMost Popular
2005 Toyota Prius Smart Key MOZB31EG
FCC IDMOZB31EGPart #89904-47011Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2005 Toyota Prius Remote Head Key MOZB21TG
FCC IDMOZB21TGPart #89070-47180Buttons3BatteryCR2032Frequency312 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2005 Toyota Prius Transponder Key
FCC IDPart #89785-08020ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Emergency Key
2005 Toyota Prius Emergency Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2005 Toyota Prius MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
On-site 2005 Toyota Prius smart key options from EZ Car Keyz Simi Valley CA
Skip the Dealer Markup
Professional key, honest rate
On-site 2005 Toyota Prius smart key options from EZ Car Keyz Simi Valley CA
🔧 PRO TIP
The 2005 Prius (NHW20, Gen 2) was one of Toyota's first fully committed smart key vehicles. There is no mechanical ignition cylinder. The MOZB31EG fob talks to the Smart Key ECU (board 89990-47012) through 134 kHz LF antennas and a 312 MHz RF return. A weak CR2032 mimics bigger failures: "Key not detected," no push-button start response, doors ignoring the touch sensor. Swap the CR2032 first, but know that corroded battery terminals inside the fob shell are the real repeat offender.
Related services: Ignition Repair · Smart Key

Proven Pro vs Dealer Markup

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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
BSIS licensed with OEM quality guaranteed
Book Service (805) 790-8162

2005 Toyota Prius Smart Key Replacement - Fast, Affordable & Professional

Got a text from a guy off the Cochran Street corridor in Simi Valley. His 2005 Prius was sitting in a strip mall lot with zero working keys. He had dropped his only MOZB31EG fob somewhere between a grocery run and his car, and retracing his steps turned up nothing.

He was already looking up tow trucks when he found me.

I pulled up next to the Prius with everything already staged in the van. First thing I did was pull data from the Smart Key ECU using my ACDP. On these Gen 2 Prius units, the immobilizer data lives on the 93C56 EEPROM on the smart key computer (board 89990-47012). I back that up before touching anything, every time. If something goes sideways during programming, that backup means the car goes back to exactly where it started.

Then I decoded the door lock, cut a fresh emergency insert blade on site, and built a new 3-button proximity fob from a blank. Registered it to the car, erased the lost fob so it was dead if anyone found it, and tested everything: door handles, lock button, trunk release, push-button start.

He sat on the curb watching the whole thing and kept checking his phone like he was expecting a catch. When the Prius powered up clean, he just nodded and said "that's it?" That was it. No tow, no dealer lobby, no waiting days for a part to ship in. Just a new key, built where the car sat.

Save vs the Dealer on Your Toyota Prius 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
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
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Also serving: Big Sky · Bridle Path · Corriganville · East Simi Valley

Toyota Prius Rapid Response, Done Right

Rapid response in the field

On-site 2005 Toyota Prius car key programming in Simi Valley CA
Smart Key | Rapid On-Site Service
2005 Toyota Prius | Ventura County
On-site 2005 Toyota Prius car key programming in Simi Valley CA
2005 Toyota Prius Smart Key
2005 Toyota Prius
Smart Key | Pro Grade Service
Estimated arrival time to Simi Valley
Proven Timing
Rapid Arrival
Available Today
Service location Simi Valley
Simi Valley
Insured Service
805 Area
Same-Day Keys (805) 790-8162

Real Toyota Trust, Real Reviews

What certified service looks like in reviews

C
Christopher H.
Sep 2025
★★★★★

“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”

Google Review
G
Guillermo C.
Dec 2025
★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

Google Review
G
Gregorio P.
May 2021
★★★★★

“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”

Google Review
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On-site 2005 Toyota Prius key service review - EZ Car Keyz Simi Valley CA
“Real savings, real reviews.”
On-site 2005 Toyota Prius key service review - EZ Car Keyz Simi Valley CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Toyota Prius Mobile Service FAQ

Real costs, no dealer surprises

How long does the Toyota dealer take to replace a 2005 Prius smart key?
The actual programming on these is about 10 to 15 minutes once a tech is on it. But you are not paying for 15 minutes at a dealer. You are paying for the wait. Writing the repair order, sitting in the queue for a certified tech, the tech walking to parts for the fob, loading Techstream, waiting on Toyota's server handshake. Owners on PriusChat regularly report two-hour visits even with an appointment. One owner described the tech blaming "slow internet and software issues" for a job that dragged past 90 minutes. I do the same work at your car in about 30 to 45 minutes.
What exactly is the smart key on my 2005 Prius and how does it work?
Why is the dealer so slow with Toyota smart key replacement?
My Prius dash shows "Key not detected" but the fob battery is new. What is wrong?
Can I hold my dead Prius fob against the start button to start the car?
Questions? Call (805) 790-8162

Toyota Prius Key Service Areas

Google Guaranteed in your neighborhood

📍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
2005 Toyota Prius car key service coverage in Ventura County CA
2005 Toyota Prius car key service coverage in Ventura County CA
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Toyota Prius Key by Certified Technicians

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