VENTURA COUNTY
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Fast Response Locksmith

2020 Chevrolet Sonic
Key Replacement - Save vs Dealer in Ventura County

Licensed & Insured | Mobile Key Experts

Available
2020 Chevrolet Sonic Smart Key
Smart Key

Not all locksmiths are created equal. EZ Car Keyz is BBB A+ rated, fully licensed and insured, and trusted by thousands of customers across the area. Your vehicle is in good hands.

CA BSIS LICENSE LCO#6792
BSIS Licensed NASTF Certified Google Guaranteed
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Certified 2020 Chevrolet Sonic key replacement info from EZ Car Keyz Thousand Oaks CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Certified 2020 Chevrolet Sonic key replacement info from EZ Car Keyz Thousand Oaks CA
Key specialists
BSIS Licensed
Licensed by the California Bureau of Security
Fixed pricing
NASTF Certified
National Automotive Service Task Force approved
Fast mobile service
1,000+ Reviews
Five-star rated on Google, Yelp, and BBB A+
805 Special
10% OFFCODE:EZ-805-2026

🔥 Certified pro service, 10% off 🔥

OEM keys & certified programming included
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2020 Chevrolet Sonic
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Chevrolet key typeMost Popular
2020 Chevrolet Sonic Smart Key HYQ4AA
FCC IDHYQ4AAPart #13584500Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2020 Chevrolet Sonic Smart Key HYQ4AA
FCC IDHYQ4AAPart #13506665Buttons4BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2020 Chevrolet Sonic Smart Key HYQ4EA
FCC IDHYQ4EAPart #13511629Buttons4BatteryCR2032Frequency433 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2020 Chevrolet Sonic Smart Key HYQ4AA
FCC IDHYQ4AAPart #13508417Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Flip Key
2020 Chevrolet Sonic Remote Flip Key LXP-T003
FCC IDLXP-T003Part #13588756Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Flip Key
2020 Chevrolet Sonic Remote Flip Key LXP-T003
FCC IDLXP-T003Part #13522783Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2020 Chevrolet Sonic Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
OEM quality 2020 Chevrolet Sonic key fob from EZ Car Keyz Thousand Oaks CA
Skip the Dealer Markup
Professional key, honest rate
OEM quality 2020 Chevrolet Sonic key fob from EZ Car Keyz Thousand Oaks CA
🔧 PRO TIP
The 2020 Sonic smart fob runs a CR2032. Easy swap, but here's what most people miss: when the battery gets low, the car doesn't always throw a battery-low warning first. It can go straight to failing the passive entry, then the key-not-detected warning, then nothing. The fob still has to be close to the start button even after a fresh battery swap because this is a proximity system. If a new CR2032 doesn't fix the range, the fob antenna inside the housing can crack from being dropped. One crack and range drops to about two inches. Before you assume the immobilizer or a module is involved, pop the fob open and look at the board. That crack is usually visible.
Related services: Ignition Repair · Smart Key

Licensed Chevrolet Key Pro vs Dealership

Licensed, certified, and reviewed - compare the credentials

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
BSIS licensed with OEM quality guaranteed
Book Service (805) 790-8162

2020 Chevrolet Sonic Smart Key Replacement - Fast, Affordable & Professional

I pulled into the Pep Boys lot off Thousand Oaks Boulevard and found him standing next to his 2020 Sonic looking like a man who'd already had a long week. He had, technically. He'd called one of those bargain-rate locksmith ads that showed up at the top of Google, paid more than he expected, and still ended up with a fob that worked maybe half the time. Remote buttons were dead. Start was intermittent. He didn't know if the fob was bad, if it got programmed wrong, or if something in the car had gotten corrupted in the process.

First thing he asked me, before I even opened my bag, was how to know if a locksmith was real. Fair question, especially after what he'd been through. I gave him my BSIS license number on the phone before I drove out. He'd already looked it up by the time I arrived. I told him that's exactly what you're supposed to do.

I opened the fob while he watched. The battery was new, which the other guy had put in, but the board contacts had some residue on them and one of the internal clips was slightly bent from what looked like a pried-open job. Cleaned the contacts, seated the battery correctly, reassembled it properly. Then I connected to the OBD port and ran the full GM key-learning sequence so the vehicle's security system had a clean, confirmed registration for that fob. No shortcuts.

Walked every button with him. Lock, unlock, and the other three. All five working. Start, clean. Passive entry on both door handles, working.

He mentioned the dealer had quoted him considerably more than what I charged, and the previous locksmith had charged nearly as much as the dealer and left the job unfinished. He paid exactly what I quoted him on the phone, and he drove off in under an hour.

Save vs the Dealer on Your Chevrolet Sonic 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: Botanic Garden Area · Casa Conejo · Conejo Oaks · Dos Vientos

Chevrolet Sonic Rapid Response, Done Right

Rapid response in the field

Licensed locksmith replacing 2020 Chevrolet Sonic key in Thousand Oaks CA
Smart Key | Rapid On-Site Service
2020 Chevrolet Sonic | Ventura County
Licensed locksmith replacing 2020 Chevrolet Sonic key in Thousand Oaks CA
2020 Chevrolet Sonic Smart Key
2020 Chevrolet Sonic
Smart Key | Pro Grade Service
Estimated arrival time to Thousand Oaks
Proven Timing
Rapid Arrival
Available Today
Service location Thousand Oaks
Thousand Oaks
Insured Service
805 Area
Same-Day Keys (805) 790-8162

Why Chevrolet Customers Trust Us

Licensed, certified, and proven

J
Joseph C.
Apr 2024
★★★★★

“I needed two keys made for my Honda Element. Friendly, fast, fair pricing, and far better than any other locksmith I have used in the area. Best service by far.”

Yelp Review
P
Priscilla L.
May 2025
★★★★★

“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”

Google Review
D
Dan G.
Mar 2024
★★★★★

“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”

Yelp Review
Watch real savings, real jobs62KFollowers
5-star review of 2020 Chevrolet Sonic key service by EZ Car Keyz Thousand Oaks CA
“Real savings, real reviews.”
5-star review of 2020 Chevrolet Sonic key service by EZ Car Keyz Thousand Oaks CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Chevrolet Sonic Mobile Service FAQ

Real costs, no dealer surprises

I lost all my keys to my 2020 Sonic. Can you make a new one without towing it?
Yes, and towing is not part of this job. All-keys-lost on the 2020 Sonic is a standard on-site call. I bring the diagnostic equipment to wherever the car is sitting, whether that's a driveway in Westlake Village or a parking lot. The process involves connecting through the OBD port, running the security-access sequence, and registering the new fob to the vehicle. Any previously existing fobs get cleared out in the process so they can't be used to start the car anymore. Plan for about 30 to 45 minutes on site from the time I arrive.
Do I really need to go to the dealer, or can a mobile locksmith handle the 2020 Sonic?
How long does an all-keys-lost job take on a 2020 Sonic?
I bought a replacement fob online for my 2020 Sonic. Can I program it myself or do I need someone with equipment?
My 2020 Sonic starts fine but the fob buttons stopped working. Is the fob dead or is something wrong with the car?
Questions? Call (805) 790-8162

Chevrolet Sonic Key Service Areas

Licensed and insured in every 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
Licensed 2020 Chevrolet Sonic locksmith service area in Ventura County CA
Licensed 2020 Chevrolet Sonic locksmith service area in Ventura County CA
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Trust the Pros for Your Chevrolet Sonic Key

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Trusted 2020 Chevrolet Sonic locksmith service by EZ Car Keyz Thousand Oaks CA
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