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2010 Audi A4
Key Replacement - Save vs Dealer in Ventura County

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2010 Audi A4 Smart Key
Smart 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
Licensed Since 2016 NASTF Approved Damage Coverage
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Verified locksmith 2010 Audi A4 key specs from EZ Car Keyz Santa Barbara CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Verified locksmith 2010 Audi A4 key specs from EZ Car Keyz Santa Barbara CA
Key specialists
Google Guaranteed
Passed Google's screening and verification process
Fixed pricing
Fully Insured
Liability coverage and background-checked technicians
Fast mobile service
8+ Years in Business
Over 10,000 keys made across the region
805 Special
10% OFFCODE:EZ-805-2026

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2010 Audi A4
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Audi key typeMost Popular
2010 Audi A4 Smart Key IYZFBSB802
FCC IDIYZFBSB802Part #8T0959754GButtons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Flip Key
2010 Audi A4 Remote Flip Key NBG009272T
FCC IDNBG009272TPart #8P0 837 220 EButtons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Flip Key
2010 Audi A4 Remote Flip Key IYZ3314
FCC IDIYZ3314Part #4F0837220Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2010 Audi A4 Smart Key
FCC IDPart #A2016060701ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Key
2010 Audi A4 Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Dealer grade 2010 Audi A4 key fob from EZ Car Keyz Santa Barbara CA
Skip the Dealer Markup
Professional key, honest rate
Dealer grade 2010 Audi A4 key fob from EZ Car Keyz Santa Barbara CA
🔧 PRO TIP
The 2010 A4 fob is one of those where battery voltage matters more than people expect. The CR2032 in the factory fob has to hold a strong enough charge for the comfort access antennas in the door handles to wake the fob and get a clean response. When the cell drops even a little, you get ghost failures: the handle sometimes works, sometimes doesn't, and owners start chasing antenna problems that aren't there. Swap the CR2032 first, every time, before going further. Also worth knowing: this generation A4 fob has a small metal emergency blade tucked inside. If the blade is bent or the release tab is stiff, the blade can sit slightly proud inside the fob body and cause the fob housing to flex, which puts pressure on the battery contact. Check both.
Related services: Ignition Repair · Smart Key

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

2010 Audi A4 Smart Key Replacement - Fast, Affordable & Professional

A call came in from Hope Ranch, Santa Barbara. Owner of a 2010 A4, parked in her driveway, push-to-start refusing to see the fob. She'd already been to another locksmith. Key was cut, key was programmed, everything looked fine for about a week. Then the car started playing games. Start the car in the morning, no problem. Come back in the evening, the start button just sat there blinking at her. She assumed the antennas in the door handles were failing, because that's what the other locksmith told her.

I got there and the first thing I did was sit in the driveway and read the fob. The transponder chip inside had been enrolled, but the data written to it wasn't a clean match for what her immobilizer expected. On this generation of Audi, the system will accept a close-enough key on initial registration and fire the car up fine. Then it runs deeper verification over the next several drive cycles. By day five or six, it had made up its mind and started rejecting the key intermittently, which is worse than a flat-out rejection because it makes you think the car has an antenna issue.

I pulled the fob open right there on the hood. The CR2032 was also borderline. Not dead, just soft enough that combined with the data mismatch, the system was getting inconsistent signals from the fob.

Programmed a fresh key with the correct data matched to her vehicle, confirmed every button function, walked both door handles, and ran the start sequence twice. No drama.

She'd already paid another locksmith. She still paid less than a dealer quote would have cost her, total, for both visits combined.

Save vs the Dealer on Your Audi A4 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
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Fully Insured
Liability & vehicle damage coverage
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Also serving: Downtown Santa Barbara · Eastside · Funk Zone · Hope Ranch

Audi A4 Rapid Response, Done Right

Rapid response in the field

Insured mobile locksmith working on 2010 Audi A4 in Santa Barbara CA
Smart Key | Rapid On-Site Service
2010 Audi A4 | Ventura County
Insured mobile locksmith working on 2010 Audi A4 in Santa Barbara CA
2010 Audi A4 Smart Key
2010 Audi A4
Smart Key | Pro Grade Service
Estimated arrival time to Santa Barbara
Proven Timing
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
Insured Service
805 Area
Same-Day Keys (805) 790-8162

What Trust Looks Like in Reviews

1,000+ customers who trusted us

E
Esteban S.
Dec 2025
★★★★★

“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”

Google Review
K
Kelly C.
Dec 2024
★★★★★

“My car keys were stolen on a cold evening and Nick drove all the way out to Santa Barbara. He got into my car, made a new key, and charged $100 less than another company. Friendly, skilled, trustworthy, and genuinely caring. Nick is a hero.”

Yelp Review
K
Kane G.
Apr 2024
★★★★★

“Tim is a hero. He programmed a master proximity key for a newer Volkswagen that multiple locksmiths refused to touch. He spent hours until late at night making sure every function worked perfectly. The skill level here is incredible.”

Yelp Review
Watch real savings, real jobs62KFollowers
Google Guaranteed locksmith review for 2010 Audi A4 - EZ Car Keyz Santa Barbara CA
“Real savings, real reviews.”
Google Guaranteed locksmith review for 2010 Audi A4 - EZ Car Keyz Santa Barbara CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Audi A4 Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to handle all-keys-lost on my 2010 Audi A4?
Call a mobile specialist before you call the dealer or a tow truck. All-keys-lost on this generation A4 is a real job that requires diagnostic equipment and an immobilizer reset, but it doesn't require a dealership. Audi dealer quotes for this kind of work routinely run high, and that's before towing. Owners on Audi forums have posted dealer quotes that made them physically wince. A qualified mobile locksmith who works on European vehicles regularly can come to your location in Hope Ranch, handle the full reset, program new keys, and confirm everything is live before leaving. You get a price on the phone and that's the price. No tow, no shop fees, no waiting days for parts to arrive at a service desk.
Can you erase a lost or stolen key so it can't start my Audi anymore?
Does my 2010 A4 smart fob have a hidden emergency blade inside it?
My 2010 A4 fob locks the car fine but the push-to-start won't detect it. Is the fob dead?
I bought a replacement fob online for my 2010 A4. Can I program it myself or do I need a tech?
Questions? Call (805) 790-8162

Audi A4 Key Service Areas

Same licensed team, 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
Guaranteed 2010 Audi A4 locksmith service area in Ventura County CA
Guaranteed 2010 Audi A4 locksmith service area in Ventura County CA
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Your Audi A4 Key in Expert Hands

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