VENTURA COUNTY
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Fast Response Locksmith

2003 Pontiac Grand Prix
Key Replacement - Save vs Dealer in Ventura County

We Drive to You | Stay Where You Are

Available
2003 Pontiac Grand Prix Transponder Key
Transponder Key

Skip the trip to the dealer. Our mobile locksmith brings professional-grade equipment right to your door anywhere in the area. Your new key is cut and programmed while you wait.

CA BSIS LICENSE LCO#6792
Mobile Locksmith Park It, We Come Zero Hassle
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Professional 2003 Pontiac Grand Prix locksmith quote from EZ Car Keyz Oxnard CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Professional 2003 Pontiac Grand Prix locksmith quote from EZ Car Keyz Oxnard CA
Key specialists
Mobile Service
Our van carries everything - no shop visit needed
Fixed pricing
On Your Schedule
Same-day appointments, 7 days a week
Fast mobile service
One-Visit Solution
Key cut and programmed in a single visit
805 Special
10% OFFCODE:EZ-805-2026

🔥 Your spot, your key, your savings 🔥

Savings delivered right to your door
REDEEM (805) 790-8162

2003 Pontiac Grand Prix
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Pontiac key typeMost Popular
2003 Pontiac Grand Prix Transponder Key
FCC IDPart #690556ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Pontiac Grand Prix Remote L2C0007T
FCC IDL2C0007TPart #10335582Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Professional 2003 Pontiac Grand Prix key programming by EZ Car Keyz Oxnard CA
Skip the Dealer Markup
Professional key, honest rate
Professional 2003 Pontiac Grand Prix key programming by EZ Car Keyz Oxnard CA
🔧 PRO TIP
The 2003 Grand Prix uses a transponder key -- no remote, no fob, no buttons. The key spec (the dealer part number) is a turn-key with a transponder chip molded into the head. The immobilizer on these reads the chip during cranking. If it doesn't see a recognized signal, the engine either won't crank or it cranks and dies within a second or two. That "starts then immediately stalls" pattern is the immobilizer doing its job, not a fuel or spark problem. Programming is done through the OBD port. One thing that trips people up: if you have one working key and want a spare, some of these older GM setups have an onboard relearn sequence you can do yourself with two working keys already in the system. But if you're down to one key or zero, you need a tech with the right equipment to do it properly.
Related services: Ignition Repair · Smart Key

On-Site vs In-Shop

Mobile vs in-shop - see the difference

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
No appointment, no lobby, no hassle
Book Service (805) 790-8162

2003 Pontiac Grand Prix Transponder Key Replacement - Fast, Affordable & Professional

I got a call from a guy over in Blackstock, Oxnard. He'd bought the Grand Prix used a few months back and the previous owner handed him one key. Just one. He'd been meaning to get a spare cut forever, kept putting it off. Then he lost it in a parking lot and that was that.

He found me the next morning. The car was sitting in his driveway, completely locked out, no way in and no way to start it.

I pulled up, got into the car, and connected to the OBD port. The 2003 Grand Prix transponder setup on these is a known quantity for me. Clear the old key data, register the new transponder, cut the blade to the vehicle. The whole job done in the driveway.

Before I packed up I had him turn the car on and off a few times himself. Not because I doubted the work, but because he needed to feel it working with his own hands after a stressful morning. It fired up every time.

He mentioned he'd called the dealer first. They told him to tow it in and wait a couple of days. He saved a good chunk going the mobile route, and he didn't lose his car for two days over it.

Save vs the Dealer on Your Pontiac Grand Prix 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: Blackstock · Carriage Square · Channel Islands Harbor · College Estates

Pontiac Grand Prix Rapid Response, Done Right

Rapid response in the field

2003 Pontiac Grand Prix Transponder Key
2003 Pontiac Grand Prix
Transponder Key | Made at Your Door
Estimated arrival time to Oxnard
We Come to You
Rapid Arrival
Available Today
Service location Oxnard
Oxnard
We Come Here
805 Area
Same-Day Keys (805) 790-8162

Why Pontiac Customers Skip the Dealer

Real reviews from real locations

C
Christopher H.
Sep 2025
★★★★★

“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”

Google Review
G
Guillermo C.
Dec 2025
★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

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
Watch real savings, real jobs62KFollowers
Certified locksmith review for 2003 Pontiac Grand Prix service by EZ Car Keyz Oxnard CA
“Real savings, real reviews.”
Certified locksmith review for 2003 Pontiac Grand Prix service by EZ Car Keyz Oxnard CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Pontiac Grand Prix Mobile Service FAQ

Real costs, no dealer surprises

Does the 2003 Pontiac Grand Prix key have any remote buttons?
No. The 2003 Grand Prix transponder key is a straight ignition key -- no lock button, no unlock button, no remote functions at all. It's a key with a transponder chip in the head, and that's it. If you want remote entry on this car, that would have been a separate key fob that came with the vehicle, not part of the ignition key itself. What we replace and program is the turn key only.
What is a transponder key and how does it work on the 2003 Grand Prix?
What if my key broke off inside the ignition on my Grand Prix?
I bought a replacement transponder key online for my 2003 Grand Prix. Can I program it myself?
My 2003 Grand Prix cranks fine but stalls right away. Could it be the key?
Questions? Call (805) 790-8162

Pontiac Grand Prix Key Service Areas

Full coverage, zero hassle

📍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
Certified 2003 Pontiac Grand Prix locksmith coverage in Ventura County CA
Certified 2003 Pontiac Grand Prix locksmith coverage in Ventura County CA
Stranded in Ventura County? We respond fast

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Pontiac Grand Prix car key replacement video
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Your Pontiac Grand Prix Key, Your Location

Wherever your car is parked, that's where we work. Home, office, parking lot, roadside.

Guaranteed 2003 Pontiac Grand Prix key service by EZ Car Keyz Oxnard CA
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