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Fast Response Locksmith

2020 Subaru Ascent
Key Replacement - Save vs Dealer in San Diego

Mobile Service | No Dealer Trip Needed

Available
2020 Subaru Ascent Smart Key
Smart Key

Our fully-equipped mobile unit comes directly to your home, office, or wherever you are. No towing, no waiting rooms, no rearranging your day. We handle everything on-site.

CA BSIS LICENSE LCO#6792
On-Site Service No Tow Required Your Time, Your Place
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
Professional 2020 Subaru Ascent locksmith quote from EZ Car Keyz Encinitas CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
Professional 2020 Subaru Ascent locksmith quote from EZ Car Keyz Encinitas CA
Key specialists
Key Specialists
Fully equipped mobile unit - all makes and models
Fixed pricing
At Your Location
Home, office, parking lot - wherever you are
Fast mobile service
No Towing Needed
We handle everything on-site, even all-keys-lost
619 Special
10% OFFCODE:EZ-619-2026

🔥 Stay home, save money, get keys 🔥

Valid anywhere we service your vehicle
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2020 Subaru Ascent
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Subaru key typeMost Popular
2020 Subaru Ascent Smart Key HYQ14AHK
FCC IDHYQ14AHKPart #88835-FL03BButtons4BatteryCR2032Frequency434 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2020 Subaru Ascent Remote Head Key CWTB1G077(GRAYPOD)
FCC IDCWTB1G077(GRAYPOD)Part #57497-SJ050Buttons4BatteryCR2032Frequency433 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2020 Subaru Ascent Transponder Key
FCC IDPart #57497 FL08AButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Professional 2020 Subaru Ascent key programming by EZ Car Keyz Encinitas CA
Skip the Dealer Markup
Professional key, honest rate
Professional 2020 Subaru Ascent key programming by EZ Car Keyz Encinitas CA
🔧 PRO TIP
The 2020 Ascent smart key runs a full immobilizer enrollment sequence through the OBD port. There is no onboard DIY add-a-key trick for this system. What trips people up is the timed security handshake during programming. Rush it or lose the connection mid-sequence and the car may accept the key temporarily, crank, fire, then kill the engine after a second or two. Looks like the car starts. It does not. The key data never got written to permanent memory. That incomplete write is the source of a lot "the car ran for two seconds and died" calls I get. The fob battery is a CR2032. Swap it before assuming the fob is dead, but know that a dying battery mid-programming session can also cause that same incomplete-write problem. Fresh CR2032 before any programming attempt, every time.
Related services: Ignition Repair · Smart Key

Subaru Key: We Come to You

One comes to you, one makes you wait

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
Your driveway beats their waiting room
Book Service (619) 876-1271

2020 Subaru Ascent Smart Key Replacement - Fast, Affordable & Professional

A guy in Cardiff-by-the-Sea waved me down in a parking lot near the beach. He'd already been through it once. A different locksmith had come out a few days earlier, charged him full price, and left. The car would crank, catch, run for about two seconds, and then die. Every time. He'd been told the immobilizer module was bad and that he needed a dealer visit to sort it out.

I asked him to tell me what the other guy did. He described the sequence. The locksmith had rushed the security timer during the enrollment step. Subaru's immobilizer system has a built-in timed handshake. If you punch through it too fast, the vehicle accepts the incoming key data into a temporary buffer but never commits it to non-volatile memory. The car behaves like a key was learned. It was not.

I connected through the OBD port and pulled the key registration status first. The fob showed a partial registration, exactly what I expected. I cleared it, let the security timer run its full cycle without interrupting it, and re-enrolled the fob correctly. Then I walked every button: lock, unlock, the panic button, and the rear liftgate button. All four working. Clean start, no stall, engine running steady.

He watched the confirmation screen on my tablet. I walked him through what had gone wrong the first time and why the second attempt held. He already knew what the dealer wanted to charge before calling anyone. He'd done that homework. What he needed was someone who would actually finish the job.

Save vs the Dealer on Your Subaru Ascent 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
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Cardiff-by-the-Sea · Downtown Encinitas · Leucadia · Moonlight Beach

Subaru Ascent Rapid Response, Done Right

Rapid response in the field

Certified auto locksmith servicing 2020 Subaru Ascent in Encinitas CA
Smart Key | Rapid On-Site Service
2020 Subaru Ascent | San Diego
Certified auto locksmith servicing 2020 Subaru Ascent in Encinitas CA
2020 Subaru Ascent Smart Key
2020 Subaru Ascent
Smart Key | Made at Your Door
Estimated arrival time to Encinitas
We Come to You
Rapid Arrival
Available Today
Service location Encinitas
Encinitas
We Come Here
619 Area
Same-Day Keys (619) 876-1271

Real Reviews From Real Driveways

Customers who never left their driveway

M
Miston
Dec 2025
★★★★★

“My ignition would not turn in La Jolla and I thought I needed a tow. EZ Car Keyz repaired the ignition on the spot and also made a spare key for safety. The technician worked carefully and confidently.”

Google Review
R
Rick R.
Apr 2021
★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review
f
frankborja25
Dec 2019
★★★★★

“We had one broken key for our Honda Civic and one working key for our Lexus. Tim came out and cut three remote car keys at a great price. All keys worked perfectly. Professional, courteous, and highly recommended.”

Google Review
Watch real savings, real jobs62KFollowers
Certified locksmith review for 2020 Subaru Ascent service by EZ Car Keyz Encinitas CA
“Real savings, real reviews.”
Certified locksmith review for 2020 Subaru Ascent service by EZ Car Keyz Encinitas CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Subaru Ascent Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to handle all-keys-lost on my 2020 Subaru Ascent?
Call a mobile locksmith who works on Subaru before you call the dealer. All-keys-lost on the 2020 Ascent is not a simple procedure. The immobilizer has to be fully reset through the OBD port, and only the keys physically present during that session get written to the car. No keys from before that session will start the vehicle afterward. What makes Subaru AKL expensive at the dealer is not just the key itself. It is the labor rate, the appointment wait, and sometimes a tow if the car is not drivable. I come to your location in Encinitas, bring the fob and the equipment, and do the reset and enrollment on site. The price I quote on the phone is the price you pay. No towing. No module shipping. No surprise add-ons.
Can you delete a lost or stolen Ascent key so it can no longer start the car?
Does my 2020 Ascent smart key have a hidden emergency blade inside it?
My Ascent fob works from close range but loses range across a parking lot. Is the fob failing?
The rear liftgate button on my Ascent fob stopped working but the other buttons are fine. What is going on?
Questions? Call (619) 876-1271

Subaru Ascent Key Service Areas

Your location, our destination

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Certified 2020 Subaru Ascent locksmith coverage in Encinitas County CA
Emergency dispatch throughout San Diego County

We come to your exact location in any of these cities

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Subaru Ascent car key replacement video
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Mobile Subaru Ascent Key Replacement

Mobile service means you don't rearrange your day. We fit your schedule.

Guaranteed 2020 Subaru Ascent key service by EZ Car Keyz Encinitas CA
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