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2021 Toyota Tacoma
Key Replacement - Save vs Dealer in San Diego

Licensed, Certified, and Proven

Available
2021 Toyota Tacoma Smart Key
Smart Key

Licensed by the California BSIS, NASTF certified, Google Guaranteed, and backed by 100+ five-star reviews. When you call EZ Car Keyz, you're getting a verified professional.

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min arrival
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2021 Toyota Tacoma key fob price quote from EZ Car Keyz San Marcos CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2021 Toyota Tacoma key fob price quote from EZ Car Keyz San Marcos CA
Key specialists
BSIS Licensed
Licensed by the California Bureau of Security
Fixed pricing
NASTF Certified
National Automotive Service Task Force approved
Fast mobile service
100+ Reviews
Five-star rated on Google, Yelp, and BBB A+
619 Special
10% OFFCODE:EZ-619-2026

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2021 Toyota Tacoma
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Toyota key typeMost Popular
2021 Toyota Tacoma Smart Key HYQ14FBX
FCC IDHYQ14FBXPart #8990H-42511Buttons4BatteryCR2450Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2021 Toyota Tacoma Smart Key HYQ14FBA
FCC IDHYQ14FBAPart #89904-78460Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2021 Toyota Tacoma Smart Key HYQ14FBB
FCC IDHYQ14FBBPart #89904-35060Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Discount 2021 Toyota Tacoma transponder key from EZ Car Keyz San Marcos CA
Skip the Dealer Markup
Professional key, honest rate
Discount 2021 Toyota Tacoma transponder key from EZ Car Keyz San Marcos CA
🔧 PRO TIP
The 2021 Tacoma runs a split key setup depending on trim. Base SR and SR5 trims use a transponder turn-key with no proximity or push-button start. Step up to TRD Off-Road, TRD Sport, TRD Pro, or Limited and you're in Smart Key territory with push-button start and a four-button proximity fob. Same model year, completely different key systems. If you're calling for a replacement, knowing your trim upfront saves everyone time. The fob takes a CR2450, not the more common CR2032. That's a thicker cell, and it's easy to grab the wrong size at the drugstore. A low or wrong battery on these will show a key-not-detected warning even when the fob is otherwise fine, and the backup start slot in the console is what you use to start the car in that situation: hold the fob against it and press the start button.
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
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Book Service (619) 876-1271

2021 Toyota Tacoma Smart Key Replacement - Fast, Affordable & Professional

A woman staying near the CSUSM Area in San Marcos called me on a Tuesday evening. She was visiting, using an Airbnb, and her 2021 Tacoma wouldn't respond to anything. Push-button start was dead. She had tried the backup start slot and it wasn't cooperating. She was convinced the whole system had failed.

First thing I asked was when she last changed the fob battery. She said it had never been changed in the two years she owned the truck. That's actually a reasonable life on a CR2450, but it's not forever.

I got to her in about twenty minutes. Pulled the fob apart on my van's side table. The CR2450 was reading low on my tester, not completely dead but not healthy either. Swapped in a fresh one, reseated it properly, confirmed the contact points were clean.

Back at the truck, the backup start slot came to life immediately. Push-button start from normal proximity, same thing. Then I walked every function: door handle touch unlock on both sides, the lock and unlock buttons, all four buttons on the fob face. Everything came back clean.

She didn't need a new key. She didn't need programming. She needed a battery and someone who knew where the backup start slot was and how to use it. The whole visit was maybe thirty minutes. She had already looked up dealer appointments and was staring down a next-morning slot plus the anxiety of leaving her truck overnight in an unfamiliar area.

Not every call turns into a full key replacement. Sometimes the win is figuring out what it isn't.

Save vs the Dealer on Your Toyota Tacoma Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

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BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
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Liability & vehicle damage coverage
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Also serving: CSUSM Area · Downtown San Marcos · Lake San Marcos · Richland

Toyota Tacoma Rapid Response, Done Right

Rapid response in the field

Low cost 2021 Toyota Tacoma car key service by EZ Car Keyz San Marcos CA
Smart Key | Rapid On-Site Service
2021 Toyota Tacoma | San Diego
Low cost 2021 Toyota Tacoma car key service by EZ Car Keyz San Marcos CA
2021 Toyota Tacoma Smart Key
2021 Toyota Tacoma
Smart Key | Pro Grade Service
Estimated arrival time to San Marcos
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Rapid Arrival
Available Today
Service location San Marcos
San Marcos
Insured Service
619 Area
Same-Day Keys (619) 876-1271

Real Toyota Trust, Real Reviews

What certified service looks like in reviews

M
Miston
Dec 2025
★★★★★

“My ignition would not turn in La Jolla and I thought I needed a tow. EZ Car Keyz repaired the ignition on the spot and also made a spare key for safety. The technician worked carefully and confidently.”

Google Review
R
Rick R.
Apr 2021
★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review
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
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Dealer vs locksmith review for 2021 Toyota Tacoma key - EZ Car Keyz San Marcos CA
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Dealer vs locksmith review for 2021 Toyota Tacoma key - EZ Car Keyz San Marcos CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Toyota Tacoma Mobile Service FAQ

Real costs, no dealer surprises

I'm locked out with no spare key. Can you come to me in the CSUSM Area?
Yes. I come directly to you. If you're near CSUSM or anywhere in San Marcos, I'll bring the equipment and key stock to handle your 2021 Tacoma on site. No tow truck, no waiting at a dealer, no figuring out a ride. For a Smart Key Tacoma with zero working fobs, the job involves a full key registration through the OBD port, which I do from my van. The old key data gets cleared so any lost or stolen fobs can't start the truck afterward. The replacement fob gets paired to your vehicle's immobilizer on site. One visit covers it.
Toyota told me to tow my Tacoma in for a key replacement. Do I actually have to do that?
What do I need to show you to prove I own the vehicle?
I bought a replacement fob online. Can you just program it to my 2021 Tacoma?
One door handle stopped triggering the touch unlock. Is my fob going bad?
Questions? Call (619) 876-1271

Toyota Tacoma Key Service Areas

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📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
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San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Low cost 2021 Toyota Tacoma key replacement area in San Diego County CA
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