VENTURA COUNTY
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Fast Response Locksmith

2009 Hummer H3
Key Replacement - Save vs Dealer in Ventura County

Licensed & Insured | Mobile Key Experts

Available
2009 Hummer H3 Transponder Key
Transponder Key

Licensed by the California BSIS, NASTF certified, Google Guaranteed, and backed by 1,000+ five-star reviews. When you call EZ Car Keyz, you're getting a verified professional.

CA BSIS LICENSE LCO#6792
BSIS Licensed NASTF Certified Google Guaranteed
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Stranded without a 2009 Hummer H3 key? EZ Car Keyz Ventura CA can help
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Stranded without a 2009 Hummer H3 key? EZ Car Keyz Ventura CA can help
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

🔥 Certified pro service, 10% off 🔥

OEM keys & certified programming included
REDEEM (805) 790-8162

2009 Hummer H3
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Hummer key typeMost Popular
2009 Hummer H3 Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2009 Hummer H3 Remote L2C0007T
FCC IDL2C0007TPart #10335582Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Emergency 2009 Hummer H3 key fob made from scratch by EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
Emergency 2009 Hummer H3 key fob made from scratch by EZ Car Keyz Ventura CA
🔧 PRO TIP
The 2009 H3 uses a transponder key that has to be programmed to the vehicle's immobilizer. No remote, no fob, no battery to swap. Just a key with a chip in the head. The thing people miss: if you had a key stolen, you cannot just cut a new one and call it done. The stolen key still works until you do a full reset through the OBD port. That reset wipes every key in memory, then you register all replacement keys fresh in that same session. Two keys at once is smarter than coming back twice. Also, these ignition cylinders can get finicky with worn keys after 15 years of use. If a key you know was programmed starts acting up, try cleaning the ignition barrel before assuming the transponder is dead.
Related services: Ignition Repair · Smart Key

Licensed Hummer Key Pro vs Dealership

Licensed, certified, and reviewed - compare the credentials

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
Licensed, insured, and 1,000+ five-star reviews
Book Service (805) 790-8162

2009 Hummer H3 Transponder Key Replacement - Fast, Affordable & Professional

I got a call from someone over on The Avenue in Ventura. Her H3 had been broken into the night before, and the spare key she kept in the center console was gone with everything else. The truck itself was still there, but knowing someone had a working key to it was enough to keep her from sleeping.

She wanted the locks re-keyed. I had to explain that re-keying the door locks does not help when the real threat is the transponder. Whoever took that key could still walk up, put it in the ignition, and drive away. The door lock situation is almost secondary.

So we did the full reset. OBD port, diagnostic equipment connected, all keys cleared from the immobilizer memory. Then I cut and programmed two new keys on site and confirmed both started the truck before I packed up. The stolen key is now just a piece of metal with a chip that the car ignores completely.

She asked if the dealer could have done the same thing. They could, but she would have waited days for a service appointment and paid significantly more. We handled it in her driveway in about an hour.

Save vs the Dealer on Your Hummer H3 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
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Casitas Springs · College · Downtown Ventura · East Ventura

Hummer H3 Rapid Response, Done Right

Rapid response in the field

2009 Hummer H3 Transponder Key
2009 Hummer H3
Transponder Key | Pro Grade Service
Estimated arrival time to Ventura
Proven Timing
Rapid Arrival
Available Today
Service location Ventura
Ventura
Insured Service
805 Area
Same-Day Keys (805) 790-8162

Why Hummer Customers Trust Us

Licensed, certified, and proven

B
Bradley B.
May 2024
★★★★★

“Locked out on a weekend night and everyone else wanted $300+. EZ Car Keyz sent Roman late at night for much less. He worked for over an hour and did not give up until the door opened. They even made a new key on the spot.”

Yelp Review
M
Marianne S.
Dec 2022
★★★★★

“I had two Subaru key fobs made and Marco provided excellent service. He stayed persistent through multiple part orders to make sure everything was correct. Very thorough, punctual, and great communication throughout.”

Google Review
T
Tommy M.
Dec 2023
★★★★★

“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”

Yelp Review
Watch real savings, real jobs62KFollowers
Locked out rescue review for 2009 Hummer H3 - EZ Car Keyz Ventura CA
“Real savings, real reviews.”
Locked out rescue review for 2009 Hummer H3 - EZ Car Keyz Ventura CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Hummer H3 Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to replace my 2009 Hummer H3 key?
Call a mobile locksmith before you call the dealer. The dealer route on a 2009 H3 transponder key means booking a service appointment, possibly waiting days, and paying a lot more than you need to. With EZ Car Keyz, we come to your location in Ventura or right there on The Avenue, cut the key, program the transponder to your vehicle, and confirm it starts before we leave. One stop, no towing, no separate charges for parts and labor.
How much more does all-keys-lost cost compared to just adding a spare?
Do aftermarket replacement keys actually work on the 2009 H3?
My 2009 H3 key turns in the ignition but the truck will not start. Is the transponder bad?
I have a copy of my H3 key that was cut at a hardware store. Why will it not start the truck?
Questions? Call (805) 790-8162

Hummer H3 Key Service Areas

Licensed and insured in every city

📍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
Lockout rescue coverage for 2009 Hummer H3 in Ventura County CA
Lockout rescue coverage for 2009 Hummer H3 in Ventura County CA
Stranded in Ventura County? We respond fast

Licensed and insured across all service areas

SOS Call (805) 790-8162
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Hummer H3 car key replacement video
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Trust the Pros for Your Hummer H3 Key

BSIS licensed, NASTF certified, Google Guaranteed. Trusted by 1,000+ customers in Ventura.

Locked out of your 2009 Hummer H3? Get help from EZ Car Keyz Ventura CA
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