VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
EZ Car Keyz California bear mascot
Fast Response Locksmith

2007 Hummer H3
Key Replacement - Save vs Dealer in Ventura County

Professional Keys | Honest Pricing

Available
2007 Hummer H3 Remote
Remote

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
Skip the Dealer Cost No Dealer Markup Fair Fixed Price
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2007 Hummer H3 all keys lost solutions from EZ Car Keyz Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2007 Hummer H3 all keys lost solutions from EZ Car Keyz Ventura CA
Key specialists
Save 40-60%
Same OEM-quality key, fraction of the dealer price
Fixed pricing
Fixed Pricing
The quote on the phone is what you pay. Period.
Fast mobile service
Free Mobile Service
No trip fees, no towing costs - service included
805 Special
10% OFFCODE:EZ-805-2026

🔥 Your key for less, right now 🔥

Applies to any key replacement service
REDEEM (805) 790-8162

2007 Hummer H3
Key Options

Dealer-grade key for a fair, honest price

Remote
Most popular Hummer key typeMost Popular
2007 Hummer H3 Remote L2C0007T
FCC IDL2C0007TPart #10335582Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
New 2007 Hummer H3 key fob when all keys lost from EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
New 2007 Hummer H3 key fob when all keys lost from EZ Car Keyz Ventura CA
🔧 PRO TIP
The 2007 H3 uses a 3-button remote with a separate transponder in the key head. The remote buttons and the transponder talk to two different systems, so a fob that won't lock or unlock doesn't automatically mean the car won't start, and vice versa. Battery in this one is a CR2032. If the remote range drops or gets intermittent before it dies completely, that's usually the battery going soft, not a programming failure. Swap the CR2032 first. If range comes back, you're done. If the car also stopped starting, that's a different layer and needs the OBD procedure. Know which problem you actually have before you start throwing parts or calling around.
Related services: Ignition Repair · Smart Key

Real Savings, Same Quality

Side by side - our price vs dealer markup

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

2007 Hummer H3 Remote Replacement - Fast, Affordable & Professional

Out near Ventura Harbor, I got a call from someone who'd been without a working key for about four days. He had one key left, the remote had stopped doing anything, and then the key itself stopped starting the car. He figured he'd just buy a new fob online, pop a CR2032 in it, and be done. It didn't work. He tried two different fobs he found on the internet. Neither one did anything.

That's the part people don't always know ahead of time. On the 2007 H3, a replacement fob has to be programmed to the vehicle through the OBD port. You can't just buy one and go. The fob he bought was the right shape, fit in his hand, looked identical. Didn't matter.

I pulled up, got the door open, decoded the lock, and cut a fresh key blade on the portable machine right there in the lot with the harbor in the background. Then I connected through the OBD port and ran the all-keys-lost procedure, which wipes the old fob registrations and enrolls the new ones clean. He watched the whole thing from about two feet away, which I don't mind at all.

We tested locks, tested start, ran every button. Everything worked. He held up the fob that didn't work and asked if I could program that one too. I could, and I did. Now he has two.

The dealer option came up briefly. He'd already called them. The wait time alone was going to cost him another few days of being stuck.

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

2007 Hummer H3 Remote
2007 Hummer H3
Remote | 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

What Fair Hummer Pricing Sounds Like

Happy customers who saved hundreds

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
A
Alexx C.
Dec 2025
★★★★★

“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”

Google Review
M
Mark F.
Feb 2024
★★★★★

“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”

Yelp Review
Watch real savings, real jobs62KFollowers
Emergency 2007 Hummer H3 key replacement review - EZ Car Keyz Ventura CA
“Real savings, real reviews.”
Emergency 2007 Hummer H3 key replacement review - 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

How many buttons does the 2007 Hummer H3 remote have?
Three buttons. Lock, unlock, and one more for the remaining function. When I program the replacement, I test every button before I leave. The remote also has a key blade built in, so it handles both functions in one unit.
What is a remote key and how does the 2007 H3 version work?
Why does the dealer charge so much more for a 2007 Hummer H3 key?
I bought a replacement fob online for my H3. Can you just program it, or does it have to be a specific one?
My 2007 H3 remote stopped working but the key still starts the car. Do I need full reprogramming or just a new battery?
Questions? Call (805) 790-8162

Hummer H3 Key Service Areas

Save vs the dealer 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
Lost 2007 Hummer H3 key service coverage in Ventura County CA
Lost 2007 Hummer H3 key service coverage in Ventura County CA
Stranded in Ventura County? We respond fast

Don’t see your city? Call us - we likely cover your area too!

SOS Call (805) 790-8162
Filmed on Location
Hummer H3 car key replacement video
113K+ Chose EZ Car Keyz

Hummer H3 Key at a Fair Price

Same dealer-quality key at a fraction of the cost. Fixed pricing, no hidden charges.

All 2007 Hummer H3 keys lost? Call EZ Car Keyz Ventura CA
Need a key?
Available 6AM - 11:30PM | 7 Days a Week
Find Us
Find Your
Car Key
Ventura County