2003 Honda Civic
Emergency Mobile Key Service in Ventura County

Q: How do I know you are not a scam locksmith?

Ask for a license number, a written estimate, and the company name before they roll. Scam locksmiths quote low on the phone and then inflate the price in your driveway. One Honda owner described a locksmith quoting 80 to 120 by phone and then trying to more than double the price once on site. We give you a firm price on the phone for your specific Honda model, show up in a branded vehicle, and the price does not change.

Q: Will the replacement key work exactly like the original?

Yes. We program both the transponder chip for engine start authorization and the remote functions for lock, unlock, and any other buttons your 2003 Honda Civic has. We test everything before we leave: engine start, remote lock, remote unlock, and any other functions. Honda service documentation warns that improperly programmed keys can cause BCM failures. We use Honda-safe programming procedures and verify every function on the spot.

Q: What battery does the 2003 Honda Civic key fob use?

The 2003 Honda Civic uses a CR2025 battery. You can pick one up at most auto parts stores or pharmacies for a few dollars. When we make a replacement key, we always install a fresh battery so you are starting with a full charge. If your Honda fob is acting sluggish or losing range, a new battery is the first thing to try before assuming the key needs to be replaced.

Q: What happens if something goes wrong after you leave?

We warranty our work. If the key we made has any issue under normal use, we come back and fix it or replace it. Honda dealers can actually deny warranty claims on key-related work if they decide an aftermarket fob or third-party tool caused a problem, and their warranty booklet spells that out. Honda owners on forums report being told repairs are customer pay because a non-dealer tool was used. With us, if we made the key and something goes wrong, we take care of it.

On-Site in Minutes | Key Done in Under an Hour

Available Wednesday

Transponder

Remote

Whether you lost your only key, it was stolen, or it just stopped working, we handle it. No existing key needed. Our technicians program new keys directly to your vehicle's computer.

CA BSIS LICENSE LCO#6792

Rapid Response Same-Day Keys Quick Turnaround

Fast Response15-25

min arrival

1,000+reviews

Call (805) 790-8162 Text Us

Quick Turnaround

Most keys completed in under 45 minutes on-site

Fully Insured

Liability coverage and background-checked technicians

On-Site Key Cutting

New key cut from vehicle codes, not from a copy

805 Special

10% OFFCODE:EZ-805-2026

🔥 Quick service, quick savings 🔥

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2003 Honda Civic
Key Options

Call now, key in hand today

Remote

Pairs With Key

FCC IDNHVWB1U523Part #72147-S5A-A01Buttons4BatteryCR2025Frequency433 MHzRemote StartNo

FCC IDNHVWB1U523Part #08E61-S5D-1M001Buttons3BatteryCR2025Frequency433 MHzRemote StartNo

◀12▶

‹ Swipe for more options ›

✓ In Stock · Programmed On-Site

Transponder Key

Cheaper

2003 Honda Civic Transponder Key HO01-PT

Key BlankHO01-PT

✓ In Stock · Programmed On-Site

Mechanical Key

Budget

Surf Key

Key BlankHO01TypeEmergency Blade

✓ In Stock · Cut On-Site

EZ Car Keyz technician holding a programmed car key

🔧 PRO TIP

Early 2000s Civics use a basic transponder key with no smart features. Programming is one of the simpler Honda jobs. A locksmith can cut and program a replacement for well under $100, compared to dealer quotes of $200+.

Rapid Service (805) 790-8162

Compare Honda Civic Key Credentials

Our credentials vs dealer service - side by side

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

EZ Car Keyz wins 5 out of 6

Licensed, insured, and 1000+ five-star reviews

Trusted Pros (805) 790-8162

2003 Honda Civic Transponder key Replacement - Fast, Affordable & Professional

I got a call from a line cook at 3pm from a kitchen parking lot in Thousand Oaks. His shift started at 4, his 2003 Honda Civic wouldn't start, and you could hear the stress in his voice. His head chef had already called asking where he was. I told him I was about 20 minutes out and to hang tight.

So I got to the lot near Casa Conejo neighborhood and used my HON66 Lishi to pick his door open. Then I plugged straight into OBD. His transponder key, FCC ID , needed a fresh and a reprogram to clear the fault. The whole thing took about 20 minutes hands-on. I gave him a spare for his glovebox too so he wouldn't end up in this spot again.

He clocked in at 4:10 and it cost him around 91. Dealer would have been roughly 201 plus a tow plus a missed shift he couldn't afford to lose. He texted me that night saying thanks. That's the kind of call I like, where the timing actually matters and I can get there fast enough to make a difference.

Same-Day Honda Civic Key Replacement

From your call to a working key in about an hour. No dealer delays, no multi-day wait.

Call Now (805) 790-8162 Text Us

BSIS Licensed

LCO#6792

CA Bureau of Security & Investigative Services

NASTF Certified

National Automotive Service Task Force

Fully Insured

Liability & vehicle damage coverage

Google Guaranteed

Verified & backed by Google

All Honda Civic Keys Lost? Watch Us Work

No key? No problem

2003 Honda Civic

Transponder key | Rescue Key

20-25 min

Priority ETA

Available Today

Thousand Oaks

Help Is Close

805 Area

Get Help Now (805) 790-8162

Fast Service, Five-Star Reviews

Reviews from drivers who got keys fast

f

frankborja25

Dec 2019

★★★★★

“We had one broken key for our Honda Civic and one working key for our Lexus. Tim came out and cut three remote car keys at a great price. All keys worked perfectly. Professional, courteous, and highly recommended.”

Google Review

H

Hunter P.

Jul 2025

★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review

A

Alan C.

Jan 2025

★★★★★

“My Sprinter van key broke and I was stranded. Marco was very friendly and helped me get three new keys quickly. I will definitely be using them again.”

Google Review

EZ Car Keyz technician with satisfied customer

★ 5.0 out of 5 - Based on 1,000+ Google Reviews

Fast Help (805) 790-8162

Our Credentials FAQ

We come to you - here's how

Are you licensed and insured to work on Honda vehicles?▼

Yes. EZ Car Keyz is licensed by the California Bureau of Security and Investigative Services, which is the state agency that regulates locksmiths. We carry full liability insurance and are NASTF Vehicle Security Professional certified, which means we have passed the background checks and credentialing required to access key code and immobilizer data for Honda and other manufacturers. You can verify our license anytime.

How do I know you are not a scam locksmith?▼

Will the replacement key work exactly like the original?▼

What battery does the 2003 Honda Civic key fob use?▼

What happens if something goes wrong after you leave?▼

Questions? Call (805) 790-8162