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Fast Response Locksmith

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

Emergency Key Service | Fast Response

Available
2021 Toyota Tundra Smart Key
Smart Key

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
Lost Every Key? No Original Needed On-Site Service
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
Fast 2021 Toyota Tundra key replacement quote from EZ Car Keyz Lakeside CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
Fast 2021 Toyota Tundra key replacement quote from EZ Car Keyz Lakeside CA
Key specialists
Zero Keys Needed
We program directly to your vehicle's computer
Fixed pricing
On-Site Key Cutting
New key cut from vehicle codes, not from a copy
Fast mobile service
Fast Recovery
Back on the road in 30-45 minutes from arrival
619 Special
10% OFFCODE:EZ-619-2026

🔥 Stranded? Save on your new key 🔥

Emergency or scheduled, discount applies
REDEEM (619) 876-1271

2021 Toyota Tundra
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Toyota key typeMost Popular
2021 Toyota Tundra Smart Key HYQ14FBA
FCC IDHYQ14FBAPart #89904-78460Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2021 Toyota Tundra Smart Key HYQ14FBB
FCC IDHYQ14FBBPart #89904-35060Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2021 Toyota Tundra Remote Head Key GQ4-52T
FCC IDGQ4-52TPart #89071-0R040Buttons3BatteryCR2016Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2021 Toyota Tundra Transponder Key
FCC IDPart #89785-0D170ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Same-day 2021 Toyota Tundra key fob replacement from EZ Car Keyz Lakeside CA
Skip the Dealer Markup
Professional key, honest rate
Same-day 2021 Toyota Tundra key fob replacement from EZ Car Keyz Lakeside CA
🔧 PRO TIP
The 2021 Tundra smart key system is constantly handshaking with the truck when you're nearby. If you work on a job site and walk past your Tundra all day, that back-and-forth polling adds up fast. Owners report burning through the CR2032 way quicker than expected compared to a regular key fob that only fires when you press a button. The fix is simple: keep the spare fob somewhere it's not near the truck during the day. Also worth knowing -- the 2021 Tundra carries a physical emergency blade folded inside the fob. If the battery dies completely and the backup start procedure isn't working, that blade gets you into the cab. You still need to know the backup procedure to start it without a working battery, but at least you're not standing outside.
Related services: Ignition Repair · Smart Key

Toyota Tundra Emergency Options

Dealer tow vs mobile fix - compare the cost

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
New key made on the spot, no original required
Book Service (619) 876-1271

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

I was already wrapping up a call in Winter Gardens when the phone rang. A woman outside a children's hospital, 8pm, tired kid just discharged, and the Tundra wasn't responding to anything.

She'd already tried the obvious. Button press, nothing. She'd even held the fob up to the start button the way someone must have told her to once, and still nothing. The truck just sat there.

I got the door open using the emergency blade she didn't know was folded inside the fob itself. That part actually surprised her a little. Once I was in, I connected my diagnostic equipment to the OBD port and read the smart key system. The fob battery hadn't just died clean. There was corrosion on the internal contact that had been quietly degrading the signal for a while, to the point where even the backup antenna proximity read wasn't registering the transponder.

New fob, programmed on site, old key erased from the system so it couldn't be used. Tested the door handles, the start button, the lock and unlock functions. Everything confirmed before I packed up.

From her first call to the engine running was about 45 minutes. The dealer was closed and the earliest they could have seen her was the next morning. She got her kid home that night. That's the whole story.

Save vs the Dealer on Your Toyota Tundra Key

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

Get Pricing (619) 876-1271 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: Blossom Valley · Eucalyptus Hills · Flinn Springs · Lakeside Proper

Toyota Tundra Rapid Response, Done Right

Rapid response in the field

Same-day 2021 Toyota Tundra key replacement in Lakeside CA
Smart Key | Rapid On-Site Service
2021 Toyota Tundra | San Diego
Same-day 2021 Toyota Tundra key replacement in Lakeside CA
2021 Toyota Tundra Smart Key
2021 Toyota Tundra
Smart Key | Rescue Key
Estimated arrival time to Lakeside
Priority ETA
Rapid Arrival
Available Today
Service location Lakeside
Lakeside
Help Is Close
619 Area
Same-Day Keys (619) 876-1271

Customers We Got Back on the Road

Real emergencies, real five-star results

A
Alexx C.
Dec 2025
★★★★★

“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”

Google Review
M
Mark F.
Feb 2024
★★★★★

“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”

Yelp Review
S
Sonia V.
Feb 2024
★★★★★

“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”

Yelp Review
Watch real savings, real jobs62KFollowers
Fast 2021 Toyota Tundra key replacement review - EZ Car Keyz Lakeside CA
“Real savings, real reviews.”
Fast 2021 Toyota Tundra key replacement review - EZ Car Keyz Lakeside CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Toyota Tundra Mobile Service FAQ

Real costs, no dealer surprises

How do I spot a fake or bait-and-switch locksmith before I get ripped off?
A few things that should put you on alert. If they won't give you a real estimate for your specific year and model over the phone, that's a problem. A locksmith who works on late-model Toyotas should know what the job involves before they show up. If the quote is some unrealistically low number and they say they'll figure out the rest on site, that's the setup for a much larger bill once you're already committed. Check the business name online. No real address, no actual reviews, a phone number that routes somewhere vague -- walk away. Also ask directly what equipment they use for a 2021 Tundra smart key. A legitimate tech can answer that without hesitation. If they go quiet or give you something generic, they may not have the tools to actually finish the job.
What exactly is a smart key and why can't I just get one copied at a hardware store?
What kind of equipment do you use to program a 2021 Tundra smart key?
I lost both keys to my 2021 Tundra. Is an all-keys-lost situation something a mobile locksmith can handle, or does it have to go to the dealer?
My 2021 Tundra start button says it doesn't detect the key, but the fob battery is new. What's actually going on?
Questions? Call (619) 876-1271

Toyota Tundra Key Service Areas

Help anywhere in our coverage area

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Same-day 2021 Toyota Tundra locksmith service area in San Diego County CA
Emergency dispatch throughout San Diego County

Lost your keys? We’ll come to wherever the car is

Get Help Now (619) 876-1271
Filmed on Location
Toyota Tundra car key replacement video
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Toyota Tundra Key Emergency? Call Now

Locked out with no spare? We come to you and make a new key on the spot. No original needed.

Get your 2021 Toyota Tundra key today from EZ Car Keyz Lakeside CA
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