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

2018 Cadillac XTS
Key Replacement - Save vs Dealer in Ventura County

Fast Arrival | Fast Results

Available
2018 Cadillac XTS Smart Key
Smart Key

Don't wait 3-5 business days at the dealership. EZ Car Keyz gets you back on the road fast. We arrive quickly and have your new key working before your coffee gets cold.

CA BSIS LICENSE LCO#6792
Quick Dispatch Same-Day Finish No Appt Needed
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2018 Cadillac XTS key info from mobile locksmith EZ Car Keyz Simi Valley CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2018 Cadillac XTS key info from mobile locksmith EZ Car Keyz Simi Valley CA
Key specialists
15-25 Min Arrival
Our mobile unit is dispatched immediately
Fixed pricing
No Appointment Needed
Walk-up service available 7 days a week
Fast mobile service
Quick Turnaround
Most keys completed in under 45 minutes on-site
805 Special
10% OFFCODE:EZ-805-2026

🔥 No wait, no delay, plus savings 🔥

Discount applied on the spot today
REDEEM (805) 790-8162

2018 Cadillac XTS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2018 Cadillac XTS Smart Key HYQ2AB
FCC IDHYQ2ABPart #13580811Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2018 Cadillac XTS Smart Key HYQ2EB
FCC IDHYQ2EBPart #13598538Buttons5BatteryCR2032Frequency433 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2018 Cadillac XTS Smart Key HYQ2AB
FCC IDHYQ2ABPart #13510253Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2018 Cadillac XTS Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Mobile 2018 Cadillac XTS key fob programming by EZ Car Keyz Simi Valley CA
Skip the Dealer Markup
Professional key, honest rate
Mobile 2018 Cadillac XTS key fob programming by EZ Car Keyz Simi Valley CA
🔧 PRO TIP
The 2018 XTS is a full proximity system across every trim. There is no base blade-only variant. The fob you want is the factory unit with the correct fob ID, a 5-button layout, and a CR2032 inside. One thing worth knowing: the XTS ties driver memory profiles, including seat position and mirror angles, to individual fob numbers through the driver information center. So if you add a spare fob and notice your memory settings acting up or not recalling correctly, that is normal behavior until the new fob is associated with a driver profile. Not a malfunction. Just how the system works. Also, the coin cell matters more than people think on these. A marginal CR2032 can cause intermittent key-not-detected warnings and inconsistent passive entry on the door handles before it fails completely. Swap it first before assuming the fob is dead.
Related services: Ignition Repair · Smart Key

Minutes vs Days

Quick comparison: us vs their wait time

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
Same-day service vs dealer wait times
Book Service (805) 790-8162

2018 Cadillac XTS Smart Key Replacement - Fast, Affordable & Professional

Out in Wood Ranch, I got a call from a retired couple who had been putting off getting a spare key for their 2018 XTS for months. Not because they didn't want one. Because getting to the Cadillac dealer meant a freeway run they just didn't want to deal with anymore. So the car sat with one key, and they kept hoping it wouldn't become a problem.

I drove out to them that morning. The original fob was in decent shape, battery still had some life, but they had no backup. On a proximity system like this, one key is a bad place to be. I had the correct fob blank in my service vehicle, cut the emergency insert key to match the vehicle, and ran the programming sequence through the OBD port to register the new fob to the immobilizer and pair the remote functions.

Then I walked through everything with them. Passive entry on both front handles. Lock and unlock from across the car. The emergency insert fitting the door cylinder in case the battery ever dies completely. I showed them the CR2032 swap process so they'd know how to handle it themselves before it caused a no-start.

They didn't leave their driveway. The dealer had quoted them a number that made them wince, and that was before factoring in the drive, the wait, and the whole half-day it would have taken. That part came up almost as an afterthought. They were just glad someone came to them.

Save vs the Dealer on Your Cadillac XTS 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: Big Sky · Bridle Path · Corriganville · East Simi Valley

Cadillac XTS Rapid Response, Done Right

Rapid response in the field

Mobile 2018 Cadillac XTS key replacement at your location in Simi Valley CA
Smart Key | Rapid On-Site Service
2018 Cadillac XTS | Ventura County
Mobile 2018 Cadillac XTS key replacement at your location in Simi Valley CA
2018 Cadillac XTS Smart Key
2018 Cadillac XTS
Smart Key | Done in Minutes
Estimated arrival time to Simi Valley
Fast Dispatch
Rapid Arrival
Available Today
Service location Simi Valley
Simi Valley
Rapid Service Zone
805 Area
Same-Day Keys (805) 790-8162

Quick, Professional, and Reviewed

Customers back on the road same day

C
Christopher H.
Sep 2025
★★★★★

“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”

Google Review
G
Guillermo C.
Dec 2025
★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

Google Review
G
Gregorio P.
May 2021
★★★★★

“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”

Google Review
Watch real savings, real jobs62KFollowers
Customer review of mobile 2018 Cadillac XTS key service by EZ Car Keyz Simi Valley CA
“Real savings, real reviews.”
Customer review of mobile 2018 Cadillac XTS key service by EZ Car Keyz Simi Valley CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac XTS Mobile Service FAQ

Real costs, no dealer surprises

How long does a 2018 Cadillac XTS key replacement take?
For most jobs, plan on 30 to 45 minutes once I'm at your vehicle. The XTS uses a proximity smart key system, and adding a new fob means going through the immobilizer programming sequence via the OBD port. There is a timed cycle built into that process that can't be skipped. After programming, I test passive entry on every door handle, verify the fob range, confirm the emergency insert key fits the cylinder, and make sure the driver memory system sees the new fob correctly. That testing phase is not optional. A key that programs but fails on the door handle sensor five minutes later is not a finished job. The whole thing, including testing, stays well under an hour in most cases.
How fast can you get to Wood Ranch?
Can I get a replacement key made the same day I call?
My 2018 XTS shows a key-not-detected warning but the fob battery is new. What is actually going on?
I bought a replacement fob online for my XTS. Can I program it myself?
Questions? Call (805) 790-8162

Cadillac XTS Key Service Areas

Fast dispatch to your city

📍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
Mobile 2018 Cadillac XTS locksmith service area in Ventura County CA
Mobile 2018 Cadillac XTS locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

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

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

Your Cadillac XTS Key, Done Today

The dealer takes days. We take minutes. Call now and have your key before the day is over.

Call your mobile locksmith for 2018 Cadillac XTS key - EZ Car Keyz Simi Valley CA
Need a key?
Available 6AM - 11:30PM | 7 Days a Week
Find Us
Find Your
Car Key
Ventura County