VENTURA COUNTY
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Fast Response Locksmith

2003 Toyota Highlander
Key Replacement - Save vs Dealer in Ventura County

BSIS Licensed | NASTF Certified

Available
2003 Toyota Highlander Remote
Remote

With 1,000+ verified Google reviews and every major industry certification, EZ Car Keyz is the locksmith trusted by families, businesses, and fleet managers throughout the area.

CA BSIS LICENSE LCO#6792
1,000+ 5-Star Reviews Fully Insured Background Checked
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2003 Toyota Highlander all keys lost solutions from EZ Car Keyz Santa Barbara CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2003 Toyota Highlander all keys lost solutions 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

🔥 Licensed and insured, plus savings 🔥

Applies to all dealer-quality key services
REDEEM (805) 790-8162

2003 Toyota Highlander
Key Options

Dealer-grade key for a fair, honest price

Remote
Most popular Toyota key typeMost Popular
2003 Toyota Highlander Remote HYQ12BAN
FCC IDHYQ12BANPart #89742-0C020Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2003 Toyota Highlander Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
New 2003 Toyota Highlander key fob when all keys lost from EZ Car Keyz Santa Barbara CA
Skip the Dealer Markup
Professional key, honest rate
New 2003 Toyota Highlander key fob when all keys lost from EZ Car Keyz Santa Barbara CA
🔧 PRO TIP
The 2003 Highlander uses a remote with a transponder chip inside. The fob handles your lock and unlock functions, but the chip is what the immobilizer talks to when you turn the key. They're two separate jobs: cut the blade, then program the chip. If you buy a replacement fob online and get it cut at a hardware store, it still won't start the car. The programming has to happen through the OBD port with the right Toyota-compatible tool. Also worth knowing: these older Toyotas do have an onboard add-a-key sequence available when you still have at least one working key. All-keys-lost is a different situation and needs diagnostic equipment. If you've got one good key left, now is the time to get a spare made before you're in the harder spot.
Related services: Ignition Repair · Smart Key

Certified Mobile vs Dealer Service

See why 1,000+ customers trust us over the dealership

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
Google Guaranteed with NASTF certification
Book Service (805) 790-8162

2003 Toyota Highlander Remote Replacement - Fast, Affordable & Professional

I got a call from a guy up on the Riviera in Santa Barbara, one of those streets where the houses stack up the hillside and parking is whatever flat spot you can find. His 2003 Highlander was sitting in his narrow driveway. He'd lost his only key, wasn't sure if it was stolen or just gone, and had been putting off dealing with it for about a week. He'd been borrowing his partner's car to get around. Finally called me.

He'd looked up the dealer. They wanted him to tow it in, leave it for a day or two, and the quote he got over the phone was not a small number. He asked me if that was really the only way.

I told him to stay put.

I pulled up to his driveway off one of the winding Riviera roads, set up at the front of the Highlander, and connected to the OBD port. The all-keys-lost procedure on these early 2000s Toyotas is a known process when you have the right equipment. The tool reads the immobilizer data, works through the security handshake, and registers the new key from scratch. Cut the blade to match the door lock, program the transponder and the remote functions together, and test everything before I pack up.

Start to finish, maybe 45 minutes. He watched from his front step with a coffee.

The dealer would have been a tow plus a wait plus a quote that made him wince. He saved a good chunk, and he didn't have to leave his car anywhere.

Save vs the Dealer on Your Toyota Highlander 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: Downtown Santa Barbara · Eastside · Funk Zone · Hope Ranch

Toyota Highlander Rapid Response, Done Right

Rapid response in the field

2003 Toyota Highlander key made with no spare by EZ Car Keyz Santa Barbara CA
Remote | Rapid On-Site Service
2003 Toyota Highlander | Ventura County
2003 Toyota Highlander key made with no spare by EZ Car Keyz Santa Barbara CA
2003 Toyota Highlander Remote
2003 Toyota Highlander
Remote | 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

Trusted by 1,000+ Toyota Drivers

Rated 5.0 on Google and Yelp

F
Felipe P.
Oct 2025
★★★★★

“Quick, affordable, and professional service. Marco made a new key for my motorcycle after I lost it and had me back on the road fast. Clean work, great price, and super friendly.”

Google Review
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
J
Jennifer R.
Feb 2024
★★★★★

“The dealership quoted me $600 for a new Honda key. EZ Car Keyz did it for $225, same day, cut and programmed at my house. Works perfectly. Everyone should know this is an option.”

Yelp Review
Watch real savings, real jobs62KFollowers
Emergency 2003 Toyota Highlander key replacement review - EZ Car Keyz Santa Barbara CA
“Real savings, real reviews.”
Emergency 2003 Toyota Highlander key replacement review - 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

Toyota Highlander Mobile Service FAQ

Real costs, no dealer surprises

Why is Toyota key replacement so expensive?
A few things stack up at once. The key blade has to be cut to your specific lock, which requires either pulling the key code or decoding the lock cylinder. On top of that, the transponder chip inside the fob has to be programmed to match your vehicle's immobilizer. Then the remote functions need to be registered separately. That's three distinct steps, and each one requires the right equipment. Dealers charge for all of it plus their overhead. The programming labor alone tends to be a significant line item on a dealer invoice, and some add a diagnostic fee before they've even touched anything. A mobile locksmith with the same professional tools does the same work without the shop rate, the waiting room, or the tow.
What kind of key does the 2003 Toyota Highlander use?
How does a mobile locksmith compare to the dealer for this job?
My 2003 Highlander starts fine but the remote buttons stopped working. Do I need a new fob?
Can I program a second key myself on a 2003 Highlander if I already have one working key?
Questions? Call (805) 790-8162

Toyota Highlander Key Service Areas

Certified service across the region

📍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 2003 Toyota Highlander key service coverage in Ventura County CA
Lost 2003 Toyota Highlander key service coverage in Ventura County CA
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Toyota Highlander car key replacement video
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Professional 2003 Toyota Highlander Key Replacement

BBB A+ rated with 1,000+ five-star reviews. Your vehicle is in certified hands. Call today.

All 2003 Toyota Highlander keys lost? Call EZ Car Keyz Santa Barbara CA
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