2020 Chevrolet Sonic
Top-Rated Licensed Key Service in Ventura County

Q: Do I need to tow my car to the dealer if I have no keys?

No. That is the dealer solution, not the only solution. One Chevy owner was told by the dealer to tow the car in and pay 600 per fob. Multiple commenters immediately said to call a locksmith instead. A Chevy owner in a separate thread described a locksmith who came to their driveway, hooked up the car, and programmed the key right there for way less than the dealer. We come to wherever the vehicle is sitting and handle the entire AKL process on site.

Q: How long does an all-keys-lost replacement take?

On older GM Passlock and PK3 systems, the security relearn requires three 10-minute ignition cycles, totaling about 30 minutes of mandatory wait time plus cutting and setup. On newer 2021-plus smart key platforms like Suburban and Silverado, the security access phase includes a 12-minute timer before key learning begins. A Yukon owner doing a full relearn said it took about 33 minutes with 10 minutes between each step. Total on-site time for most Chevy AKL runs 30 to 60 minutes.

Q: What battery does the 2020 Chevrolet Sonic key fob use?

The 2020 Chevrolet Sonic uses a CR2032 battery. You can find them at most auto parts stores or pharmacies for a few dollars. When we make a replacement key, we always install a fresh battery so you are starting with a full charge. If your Chevy fob is acting inconsistent after a battery swap, the key may need to be re-adapted to the vehicle, which is a quick procedure we can handle on site.

Q: Can you make a spare at the same time so I have two keys?

Yes, and on newer GM systems you actually have to. When you run an all-keys-lost reset on a 2021-plus Chevrolet smart key system, the vehicle requires at least two keys to be programmed during the session. A locksmith on Reddit confirmed that Ford and Chevy both require two keys when you erase everything. That means getting two keys at once is not just cheaper per key, it is required by the system. We always recommend two keys regardless of the platform to avoid another AKL situation.

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2020 Chevrolet Sonic
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Locked Out? Compare the Solutions

All keys lost - two very different solutions

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Wait Time

✓ 20-45 min

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All Keys Lost

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

I got a call from a customer at the Pep Boys in Thousand Oaks. He'd already gotten burned once. He called one of those $59 Google ads for his 2020 Chevrolet Sonic, the locksmith showed up and charged $380, and the key barely worked. The remote buttons were dead and the start was intermittent. He found me through Google Guaranteed and the first thing he asked was how to know if a locksmith was real. Fair question.

I gave him my BSIS license number right on the phone, LCO#6792. He verified it on the state website while we were still talking. I'm also NASTF certified, which means I have access to factory security data that unlicensed operators can't touch. That's the difference between a proper reprogram and a hack job that half-works. I told him I'd fix what the other locksmith messed up and he'd pay what I quoted, nothing more.

I used my Smart Pro to run GM's full immobilizer sequence with the proper security handshake so both the remote and transponder worked, not just one. His smart key, FCC ID HYQ4AA, came back with all 5 buttons working plus a clean engine start.

It came out to 274, exactly what I quoted on the phone. Dealer wanted 467 for the same job, and the scam locksmith charged more than both of us and couldn't even finish it.

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2020 Chevrolet Sonic

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Kim S.

Jul 2025

★★★★★

“This is the only locksmith anyone should ever call. I am still shocked at how fast he arrived and the price was hundreds less than other quotes I received. Honest, professional, and extremely efficient.”

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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.”

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Incognitomlo88

Jul 2025

★★★★★

“Tim was GREAT. I honestly swear he must have had my keys made before he even showed up. The entire process was insanely fast, from the initial phone call to having the keys in my hand. No one will beat the pricing, efficiency, or outstanding service.”

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What to Do When You Lose Every Chevrolet Key

What to expect when we arrive

I lost all my Chevrolet keys. Can you still make a new one?▼

Yes. All-keys-lost is one of the most common calls we get on Chevrolets. On older Passlock and PK3 systems, we run the standard GM 30-minute security relearn with three 10-minute ignition cycles. On newer 2021-plus smart key platforms, we use CAN-FD adapters and obtain ECM and BCM security codes to run a 12-minute guided AKL procedure. GM requires at least two smart keys to be programmed during an AKL reset on newer systems. We handle the entire process on site, no tow needed.

Do I need to tow my car to the dealer if I have no keys?▼

How long does an all-keys-lost replacement take?▼

What battery does the 2020 Chevrolet Sonic key fob use?▼

Can you make a spare at the same time so I have two keys?▼

Questions? Call (805) 790-8162