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Fast Response Locksmith

2016 Toyota 4runner
Key Replacement - Save vs Dealer in San Diego

No Appointments | No Waiting Rooms

Available
2016 Toyota 4runner Remote Head Key
Remote Head Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
We Bring the Shop No Dealer Visit Roadside OK
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2016 Toyota 4runner all keys lost solutions from EZ Car Keyz Oceanside CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2016 Toyota 4runner all keys lost solutions from EZ Car Keyz Oceanside 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
619 Special
10% OFFCODE:EZ-619-2026

🔥 No towing, no hassle, just savings 🔥

Good for any on-site key service
REDEEM (619) 876-1271

2016 Toyota 4runner
Key Options

Dealer-grade key for a fair, honest price

Remote Head Key
Most popular Toyota key typeMost Popular
2016 Toyota 4runner Remote Head Key HYQ12BBY
FCC IDHYQ12BBYPart #89070-42660Buttons3BatteryCR2016Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2016 Toyota 4runner Remote Head Key HYQ12BDC
FCC IDHYQ12BDCPart #89070-0R050Buttons3BatteryCR2016Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
New 2016 Toyota 4runner key fob when all keys lost from EZ Car Keyz Oceanside CA
Skip the Dealer Markup
Professional key, honest rate
New 2016 Toyota 4runner key fob when all keys lost from EZ Car Keyz Oceanside CA
🔧 PRO TIP
The 2016 4Runner uses a remote head key, meaning the key blade and the fob are one unit. The fob houses the transponder chip and the remote buttons together. If you're getting a key-not-detected warning or the engine cranks but dies immediately, don't assume the whole unit is shot. First, pull the battery cover and swap in a fresh CR2016. The contacts on these corrode subtly and a slightly weak cell can cause intermittent loss of signal rather than a clean failure. If the fob still isn't reading, try holding it flush against the ignition cylinder while turning. That bypasses the RF transmission and lets the cylinder read the transponder chip directly through close-range induction. If the car starts that way, the transponder is fine and you're dealing with a battery or RF issue, not a dead key. Two different failure modes, two different fixes.
Related services: Ignition Repair · Smart Key

Toyota 4runner Key: Mobile vs Dealership

Two options, one clear winner

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
We bring the shop to you
Book Service (619) 876-1271

2016 Toyota 4runner Remote Head Key Replacement - Fast, Affordable & Professional

All-keys-lost on a push-to-start Toyota is the call that gets people the most rattled, and I get why. No blade going into a cylinder, no mechanical fallback. If the vehicle doesn't wirelessly recognize a registered fob, it just sits there.

This one came from South Oceanside. The owner had been camping up outside town, deep enough that cell service was gone at the site. He had one fob for his 2016 4Runner and it disappeared somewhere between breaking camp and packing the truck. He walked to the camp host's phone and called me from there.

I drove out to him. All-keys-lost on this generation Toyota is a tool-dependent job. The immobilizer stores encrypted key data, and before new fobs can be registered, that data has to be read and reset properly. I pulled the immobilizer data as a precaution, then ran the all-keys-lost sequence through the OBD port. The remote head key, blade and fob as one unit, got paired and cut on site.

He watched the whole thing from a camp chair. When I told him to try it, he turned the key like he half expected nothing to happen. The engine came up clean.

He mentioned what the dealer had quoted him for a prior spare that he never got around to ordering. That number was the reason he'd been running on one key for two years. The job I did at the campsite cost him a fraction of that quote, with no tow and no waiting.

Get the spare made while you still have a working key. That's the lesson every 4Runner owner learns eventually.

Save vs the Dealer on Your Toyota 4runner 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: Downtown Oceanside · Fire Mountain · Libby Lake · Loma Alta

Toyota 4runner Rapid Response, Done Right

Rapid response in the field

2016 Toyota 4runner key made with no spare by EZ Car Keyz Oceanside CA
Remote Head Key | Rapid On-Site Service
2016 Toyota 4runner | San Diego
2016 Toyota 4runner key made with no spare by EZ Car Keyz Oceanside CA
2016 Toyota 4runner Remote Head Key
2016 Toyota 4runner
Remote Head Key | Made at Your Door
Estimated arrival time to Oceanside
We Come to You
Rapid Arrival
Available Today
Service location Oceanside
Oceanside
We Come Here
619 Area
Same-Day Keys (619) 876-1271

Home Service, Honest Reviews

What no-hassle service sounds like

Z
Zebadiah A.
Oct 2025
★★★★★

“Super fast service. About 20 minutes from the call he was already there. He had an authentic replacement on hand and made a spare key for my 2017 Nissan Rogue in about 15 minutes. Great prices, friendly, and very professional.”

Google Review
D
Diya M.
Jan 2025
★★★★★

“Fast, affordable, and a great price. Marco did an amazing job and made a key for our Nissan Kicks quickly and professionally. Everything worked perfectly.”

Google Review
E
Edelson E.
Oct 2025
★★★★★

“I got locked out of my vehicle and also lost my key. Marco came out, made a new key for my Toyota, and got me back on the road. He was professional, friendly, and clearly knows what he is doing.”

Google Review
Watch real savings, real jobs62KFollowers
Emergency 2016 Toyota 4runner key replacement review - EZ Car Keyz Oceanside CA
“Real savings, real reviews.”
Emergency 2016 Toyota 4runner key replacement review - EZ Car Keyz Oceanside CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Toyota 4runner Mobile Service FAQ

Real costs, no dealer surprises

What is the least expensive way to replace a key for my 2016 4Runner?
Call a mobile locksmith before you call the dealer. The 2016 4Runner uses a remote head key, which means the key blade and the fob are a single unit that both needs to be cut and programmed. Dealers bundle that into a quote that covers parts, programming, and labor separately and the total adds up fast. With EZ Car Keyz, you get the whole job done on site in South Oceanside or wherever you're parked, without a tow, without booking days out, and for way less than the dealer. Call for current pricing.
How much harder is all-keys-lost compared to just adding a spare?
Do aftermarket remote head keys actually work on a 2016 4Runner?
My 2016 4Runner starts fine but the remote buttons stopped working. Do I need a new key?
Can I use the blade on my remote head key to start the car if the fob stops working?
Questions? Call (619) 876-1271

Toyota 4runner Key Service Areas

We cover your area

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Lost 2016 Toyota 4runner key service coverage in San Diego County CA
Emergency dispatch throughout San Diego County

Don’t see your city? Call us - we likely cover your area too!

Get Help Now (619) 876-1271
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Toyota 4runner car key replacement video
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We Bring the Key to You

We bring the entire shop to your location. Every tool, every blank, every piece of equipment.

All 2016 Toyota 4runner keys lost? Call EZ Car Keyz Oceanside CA
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