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2019 Lexus RX
Key Replacement - Save vs Dealer in Ventura County

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Available
2019 Lexus RX Smart Key
Smart Key

With over 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
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Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Rapid response 2019 Lexus RX key details from EZ Car Keyz Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Rapid response 2019 Lexus RX key details from EZ Car Keyz Ventura CA
Key specialists
Google Guaranteed
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Fixed pricing
Fully Insured
Liability coverage and background-checked technicians
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8+ Years in Business
Over 10,000 keys made across the region
805 Special
10% OFFCODE:EZ-805-2026

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Covers all NASTF-certified key work
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2019 Lexus RX
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Lexus key typeMost Popular
2019 Lexus RX Smart Key HYQ14FBB
FCC IDHYQ14FBBPart #89904-0E160Buttons4BatteryCR1632Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2019 Lexus RX Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Instant 2019 Lexus RX key fob options from EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
Instant 2019 Lexus RX key fob options from EZ Car Keyz Ventura CA
🔧 PRO TIP
The 2019 RX runs Toyota's fourth-generation Smart Key system, same platform as the Highlander and RAV4 of that era. The HYQ14FBB uses a Texas Instruments DST-AES (128-bit) transponder on 312/314.3 MHz. A weak CR1632 throws "Key not detected" or "No key detected" on the dash MID, and sometimes the steering lock ECU (part 89990-0E030) won't release. Before you panic, hold the dead fob against the start button. That's the backup coil reader built into the switch.
Related services: Ignition Repair · Smart Key

Who Do You Trust With Your 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
Google Guaranteed with NASTF certification
Book Service (805) 790-8162

2019 Lexus RX Smart Key Replacement - Fast, Affordable & Professional

Got a call from someone at Community Memorial Hospital in Ventura. She was sitting in the parking structure with her 2019 RX, dash reading "Key not detected," doors locked with the fob inside, engine off. She had been visiting someone post-surgery and came back to a car that acted like it didn't know her.

I got there and used my TOY48 Lishi to decode the driver door. Popped it open, grabbed her fob off the center console, and cracked the HYQ14FBB housing. The CR1632 had voltage but barely, reading 2.4V when these need to be above 2.8 to communicate reliably. Swapped it, held the fob to the push-start button, and the immobilizer released. Engine turned over clean.

But I didn't stop there. Ran the key through my diagnostic tool on the OBD-II port to check registration status on the smart key ECU (board 89990-0E030 on these). Both her fobs were still registered, no corruption, no fault codes stored. Just a dying battery that made the 314.3 MHz signal too weak for the cabin antenna to pick up from the console.

She thought the car was broken. Whole thing took about fifteen minutes. She walked back into the hospital with her keys working and no trip to the dealer scheduled.

Save vs the Dealer on Your Lexus RX 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
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
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Also serving: Casitas Springs · College · Downtown Ventura · East Ventura

Lexus RX Rapid Response, Done Right

Rapid response in the field

Quick turnaround 2019 Lexus RX car key by EZ Car Keyz in Ventura CA
Smart Key | Rapid On-Site Service
2019 Lexus RX | Ventura County
Quick turnaround 2019 Lexus RX car key by EZ Car Keyz in Ventura CA
2019 Lexus RX Smart Key
2019 Lexus RX
Smart Key | Pro Grade Service
Estimated arrival time to Ventura
Proven Timing
Rapid Arrival
Available Today
Service location Ventura
Ventura
Insured Service
805 Area
Same-Day Keys (805) 790-8162

Licensed, Certified, and Reviewed

Trusted and verified by real customers

T
Tommy M.
Dec 2023
★★★★★

“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”

Yelp Review
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
Watch real savings, real jobs62KFollowers
Quick response locksmith review for 2019 Lexus RX key - EZ Car Keyz Ventura CA
“Real savings, real reviews.”
Quick response locksmith review for 2019 Lexus RX key - EZ Car Keyz Ventura CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Lexus RX Mobile Service FAQ

Real costs, no dealer surprises

Do you use OEM or aftermarket smart keys for the 2019 Lexus RX?
We use OEM-spec blanks that match the HYQ14FBB FCC ID, the DST-AES 128-bit transponder chip, and the 314.3 MHz frequency. On these fourth-gen Lexus smart keys, the system is picky. Used OEM fobs pulled from other vehicles are permanently married to the original car's smart key ECU and cannot be re-registered. I've seen owners buy "OEM" fobs off eBay only to find they're locked and useless. We start with virgin blanks, program them fresh through OBD, and cut the emergency insert blade on site. No surprises.
How long will the replacement key last before it needs service?
What if the replacement key stops working a few weeks later?
My RX says "steering lock malfunction" and won't start. Is that the key?
Can I add a third smart key fob to my 2019 RX myself?
Questions? Call (805) 790-8162

Lexus RX Key Service Areas

Background checked and bonded everywhere

📍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
Rapid dispatch 2019 Lexus RX locksmith area in Ventura County CA
Rapid dispatch 2019 Lexus RX locksmith area in Ventura County CA
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Lexus RX car key replacement video
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2019 Lexus RX car key done in minutes by EZ Car Keyz Ventura CA
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