VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
EZ Car Keyz California bear mascot
Fast Response Locksmith

2011 Lexus CT
Key Replacement - Save vs Dealer in Ventura County

All Keys Lost? | No Problem

Available
2011 Lexus CT 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
All Keys Lost? Easy No Tow Required New Key On-Site
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2011 Lexus CT car key service at your door in Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2011 Lexus CT car key service at your door in Ventura CA
Key specialists
All Keys Lost?
We make new keys from scratch - no existing key needed
Fixed pricing
No Tow Required
We come to wherever the car is sitting
Fast mobile service
Emergency Service
Available 7 days a week, 6 AM to 11:30 PM
805 Special
10% OFFCODE:EZ-805-2026

🔥 Lost your key? Save 10% today 🔥

Covers emergency & lost key services
REDEEM (805) 790-8162

2011 Lexus CT
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Lexus key typeMost Popular
2011 Lexus CT Smart Key HYQ14ACX
FCC IDHYQ14ACXPart #89904-0E031Buttons4BatteryCR1632Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2011 Lexus CT Smart Key HYQ14ACX
FCC IDHYQ14ACXPart #89904-48481Buttons3BatteryCR1632Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
On-site 2011 Lexus CT smart key options from EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
On-site 2011 Lexus CT smart key options from EZ Car Keyz Ventura CA
🔧 PRO TIP
The 2011 Lexus CT 200h smart key (HYQ14ACX) has a built-in sleep mode that blocks relay theft signals. With the engine off, press and hold Lock, then tap Unlock twice. The LED flashes four times, and the fob goes dormant until you physically press a button again. This is worth knowing because the CT uses Texas Instruments' DST80 encryption on an 80-bit transponder (Page 1, 8A chip), and relay attacks are one of the few ways around it. Sleep mode shuts that door.
Related services: Ignition Repair · Smart Key

All Lexus CT Keys Lost? Compare Options

Lost all your keys? Compare your options

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 (805) 790-8162

2011 Lexus CT Smart Key Replacement - Fast, Affordable & Professional

A woman near Marina Park in Ventura was on her lunch break, sitting in the Nordstrom lot, completely convinced her 2011 Lexus CT 200h had to go to the dealer for a replacement smart key. The dealer's website said so. Her friend backed it up. A ClubLexus thread she found seemed to agree. All of them were either wrong or years out of date.

I met her at her car. She had the hood of the fob story all figured out, so I just got to work.

The CT 200h runs the Toyota/Lexus Smart Key system through the smart key ECU (part 89990-76010 on most CT builds) and a set of interior proximity antennas. Programming means registering the new fob's 80-bit transponder code with that ECU via the OBD-II port. I used my diagnostic tool to write a new HYQ14ACX, cut the emergency insert blade (TOY48 profile), and tested every function. Lock, unlock, trunk, panic. Push-to-start, twice, cold and warm. Handle touch unlock on both front doors.

She watched the whole thing from outside the driver window, arms crossed, like she was waiting for something to go wrong.

The car sat in the same parking spot the entire time. Took about 30 minutes. The dealer wanted an appointment later that week and a ride home while they worked on it. Her CT doesn't know or care where its key was programmed.

Save vs the Dealer on Your Lexus CT 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: Casitas Springs · College · Downtown Ventura · East Ventura

Lexus CT Rapid Response, Done Right

Rapid response in the field

On-site 2011 Lexus CT car key programming in Ventura CA
Smart Key | Rapid On-Site Service
2011 Lexus CT | Ventura County
On-site 2011 Lexus CT car key programming in Ventura CA
2011 Lexus CT Smart Key
2011 Lexus CT
Smart Key | Rescue Key
Estimated arrival time to Ventura
Priority ETA
Rapid Arrival
Available Today
Service location Ventura
Ventura
Help Is Close
805 Area
Same-Day Keys (805) 790-8162

Lexus Owners Rescued and Reviewed

From lost keys to happy customers

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
E
Erick
Nov 2025
★★★★★

“A+ service at an even better price. Tim was a lifesaver. I lost my original and only key for my Audi and he was willing to come to my location at 8pm the same day. He worked fast, communicated clearly, and made sure everything worked before leaving.”

Google Review
H
Hunter P.
Jul 2025
★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review
Watch real savings, real jobs62KFollowers
On-site 2011 Lexus CT key service review - EZ Car Keyz Ventura CA
“Real savings, real reviews.”
On-site 2011 Lexus CT key service review - 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 CT Mobile Service FAQ

Real costs, no dealer surprises

How long does the Lexus dealer take for a 2011 CT 200h key replacement?
The programming itself runs about an hour in the service bay, but that is the smallest part of the wait. Lexus controls fob allocation at the corporate level, and dealers sometimes can only order one smart key per VIN per request cycle. Once the physical fob (89904-0E031) arrives, you still need to book a service appointment, which can be days or weeks out depending on the shop's backlog. A dealer tech on a Lexus forum described the workflow: write the repair order, wait for a dispatcher, pull the key from parts, find a scan tool with the active Techstream subscription, then program. A job I finish in 30 minutes at your location becomes a half-day event over there.
What is a smart key and how does it work on the 2011 CT 200h?
Why is the dealer so slow with Lexus smart keys compared to a mobile locksmith?
My CT 200h says "Key not detected" but the fob battery is new. What is going on?
Can I program a replacement smart key for my 2011 CT 200h myself?
Questions? Call (805) 790-8162

Lexus CT Key Service Areas

Emergency coverage 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
2011 Lexus CT car key service coverage in Ventura County CA
2011 Lexus CT car key service coverage in Ventura County CA
Stranded in Ventura County? We respond fast

Emergency service available in all listed cities

SOS Call (805) 790-8162
Filmed on Location
Lexus CT car key replacement video
113K+ Chose EZ Car Keyz

Lost Your 2011 Lexus CT Key? We Can Help

Lost all your keys? We make new ones on-site. No tow truck needed. Emergency service.

We come to you for 2011 Lexus CT car key - EZ Car Keyz Ventura CA
Need a key?
Available 6AM - 11:30PM | 7 Days a Week
Find Us
Find Your
Car Key
Ventura County