2003 Infiniti M45
Spare Key Made After Losing Yours in Santa Barbara County

Q: Is a locksmith cheaper than the Infiniti dealer?

On Infinitis, significantly. Infiniti dealers commonly charge 350 to 500 or more for a single intelligent key replacement. One Infiniti owner on Reddit called the dealer price insane and was told a locksmith would do it for around 100. A Q50 owner paid a locksmith 140 to reprogram a fob that lost its pairing after a dead battery. Compare that to dealers quoting 330 to 500 for fob plus programming on G37 and Q-series models. Most Infiniti owners save 40 to 60 percent going with a qualified locksmith.

Q: Does the price include cutting and programming?

Yes. Our price covers everything: the key blank, cutting the emergency blade, programming the transponder and intelligent key functions, syncing the remote, and testing before we leave. Infiniti dealers typically break this into separate charges for the fob, blade cutting, programming labor, and sometimes a diagnostic fee. One FX owner was told the dealer wanted 150 just to determine the problem before any actual repair. With us it is one price, everything included, done at your location.

Q: What battery does the 2003 Infiniti M45 key fob use?

The 2003 Infiniti M45 uses a CR2032 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 existing Infiniti fob is losing range or the push-to-start is intermittent, a new battery is the first thing to try before assuming you need a replacement.

Q: Do you charge a trip fee or service call fee?

No. The price we quote includes mobile service to your location anywhere in the Leadbetter Beach area of Santa Barbara. There is no trip fee, no service call charge, no mileage add-on. Infiniti dealers require you to tow the vehicle in if you have no working key. One Q50 owner in Atlanta had their car towed to the dealer three times in a single year for key reprogramming after break-ins. Each tow adds to the bill before the dealer even touches the key. We come to you and the quote stays the same.

All Keys Lost? | No Problem

Available Wednesday

Mechanical Key

CA BSIS LICENSE LCO#6792

All Keys Lost? Easy No Tow Required New Key On-Site

Fast Response15-25

min arrival

1,000+reviews

Call (805) 790-8162 Text Us

Emergency Service

Available 7 days a week, 6 AM to 11:30 PM

Fixed Pricing

The quote on the phone is what you pay. Period.

One-Visit Solution

Key cut and programmed in a single visit

805 Special

10% OFFCODE:EZ-805-2026

🔥 Lost your key? Save 10% today 🔥

REDEEM (805) 790-8162

2003 Infiniti M45
Key Options

All keys lost? We make new keys from scratch on-site

Mechanical Key

Budget

Surf Key

2003 Infiniti M45 Mechanical Key DA34 , Pack of 10

Key BlankDA34 , Pack of 10TypeEmergency Blade

✓ In Stock · Cut On-Site

EZ Car Keyz technician holding a programmed car key

🔧 PRO TIP

Infiniti uses Nissan's NATS immobilizer under the badge. If a locksmith is set up for late-model Nissan key work, your Q50, QX60, or G37 follows the same procedure with a different logo on the fob and the same 4-digit PIN system.

Need Help? (805) 790-8162

Save 40-60% on Your Infiniti M45 Key

See how much you save with EZ Car Keyz vs the dealership

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

Same key, fraction of the dealer price

Get Pricing (805) 790-8162

2003 Infiniti M45 Metal Key Replacement - Fast, Affordable & Professional

He was leaving an upscale restaurant in Santa Barbara after a client dinner and his jacket was gone from the coat check. Keys, wallet, phone, everything. He borrowed the hostess phone and called the police first, then his wife, then me.

His 2003 Infiniti M45 was in the valet lot with zero keys. The dealer told his wife they could order a fob but 3 to 5 business days, plus a tow, plus rekeying since the stolen fob could still open the doors. Combined estimate was pushing $750.

I got there that night. All-keys-lost after a theft is a different job than adding a spare. I don't just add a new fob. I wipe the entire key memory so the stolen fob can't start the engine even if the thief walks up to the car and tries. I used my IM608 to access the IMMO module, erase all stored key data, and program two new fobs from scratch. His smart key, FCC ID , was a -button proximity fob. I decoded the lock with my Lishi, cut the emergency blade, and had both fobs working before the valet lot closed.

He drove home that night with two fresh keys. Total was 95 for both fobs. Dealer estimated 200 plus a tow and a multi-day wait. The stolen fob is completely dead to the vehicle.

Lost Your 2003 Infiniti M45 Key? We Can Help

Lost all your keys? We make new ones on-site. No tow truck needed. Emergency service.

Rescue Me (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

Infiniti M45 Mobile Service in Action

Mobile service in action

2003 Infiniti M45

Metal Key | Cut at Your Location

30-35 min

Door-to-Door ETA

Available Today

Santa Barbara

At Your Spot

805 Area

Schedule Now (805) 790-8162

Infiniti Owners Rescued and Reviewed

From lost keys to happy customers

A

Alexx C.

Dec 2025

★★★★★

“I needed a car key replacement in Hillcrest and EZ Car Keyz helped me immediately. The technician programmed a new smart key right next to my car and tested every function before leaving. Fast, friendly, and very professional.”

Google Review

A

A. G.

Jun 2025

★★★★★

“A friend lost my Lexus key and he was able to program and cut a brand new one within 20 minutes. Arrived within about 40 minutes and was friendly, efficient, and quick.”

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

EZ Car Keyz technician with satisfied customer

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

SOS Call (805) 790-8162

2003 Infiniti M45 Pricing Questions

Pricing, process, and what's included

How much does a 2003 Infiniti M45 key replacement cost?▼

With EZ Car Keyz, a metal key for the 2003 Infiniti M45 runs around 95. That includes the key, cutting, programming, and mobile service to your location. The Infiniti dealer typically charges 200 or more once you add up the fob, cutting, programming labor, and diagnostic fees. Infiniti dealers quote in the mid-hundreds per key for late-model intelligent keys, and Atlas-platform QX60 owners see similar numbers. Our quote on the phone is the price you pay.

Is a locksmith cheaper than the Infiniti dealer?▼

Does the price include cutting and programming?▼

What battery does the 2003 Infiniti M45 key fob use?▼

Do you charge a trip fee or service call fee?▼

Questions? Call (805) 790-8162