Chevrolet Sonic Key Replacement
Lost or need a spare key for your Chevrolet Sonic? Our mobile locksmith cuts and programs it at your location in Las Vegas — no dealer tow, no after-hours surcharge, firm price before any work starts.
Replacing the key for a Chevrolet Sonic costs about $295 all-in with Rhinox — cut and programmed at your vehicle, usually in 20–30 minutes. No dealer tow and no after-hours surcharge. Las Vegas 24/7 — call (702) 356-0352.
The Chevrolet Sonic (2012–2020) carries more key variety than most compact cars — from a basic transponder key to a full smart key — and Las Vegas Mobile Locksmith stocks all 19 variants on the van so you never wait on a dealer order. Whether your Sonic uses a flip key with FCC ID OHT01060512 or a remote head key under HYQ4AA, we cut and program it on the spot. One call, one visit, done.
Keys that fit your Chevrolet Sonic
Match your key to the photos — the FCC number is printed on the back. We program the exact one on-site.
Remote Flip Key4-button · 2019–2020FCC: LXP-T003
Smart Key5-button · 2017–2020FCC: HYQ4AA
Smart Key4-button · 2017–2020FCC: HYQ4AA
Smart Key3-button · 2017–2020FCC: HYQ4AA
Remote Flip Key4-button · 2012–2019
Remote Flip Key4-button · 2012–2019FCC: OHT01060512
Remote Flip Key4-button · 2012–2019FCC: KR55WK50073
Remote Flip Key3-button · 2019FCC: LXP-T003
Remote Flip Key4-button · 2014–2018FCC: OHT05918179
Remote Flip Key3-button · 2012–2017
Remote Flip Key5-button · 2012–2017FCC: OHT05918179
Remote Flip Key3-button · 2012–2017FCC: OHT01060512
Remote Flip Key5-button · 2012–2017FCC: P409MK74946931
Remote Flip Key5-button · 2012–2017FCC: OHT01060512
Remote Flip Key5-button · 2012–2017FCC: M3N-A2C31243300
Remote Flip Key5-button · 2014–2017FCC: KR55WK50073
Remote Head Keys6-button · 2012–2013
Transponder Keyno buttons · 2012–2019
Metal Head Keyno buttons · 2012–2019Key replacement by year
Which Key Your Chevrolet Sonic Actually Uses
Depending on trim level and model year, your 2012–2020 Sonic may use a metal head transponder key, a remote flip key, a remote head key, or a smart key — all operating at 315 MHz. FCC IDs on record include HYQ4AA, KR55WK50073, LXP-T003, M3N-A2C31243300, OHT01060512, OHT05918179, and P409MK74946931, with button counts ranging from 3 to 6 depending on the remote style. Confirming your exact key type before ordering prevents the wrong cut or the wrong programming protocol — something we verify at the vehicle before we start. See our full car key replacement service for details on how we match the right blank to your Sonic.
What Happens If You Lose Every Sonic Key
Losing your last working key is the worst-case scenario because the car cannot recognize any new key until the ECM is accessed through OBD — a dealer would require a tow, a scheduled appointment, and a steep labor bill. A mobile locksmith arrives at your Las Vegas location, decodes the lock or uses your VIN to cut a fresh key, then programs it directly to your Sonic's immobilizer without towing anywhere. If you are already locked out while keyless, our car lockout service gets the door open first so we can reach the OBD port and complete programming in one visit. The installed price shown above covers the entire zero-key scenario.
What Changes the Price and How to Get It Done Fast in Las Vegas
Key parts for the Sonic start at roughly $9 for basic transponder blanks, but the all-in installed price shown above reflects the full service — cutting, programming, and any required security relearn — and varies based on which of the 19 key variants your specific trim requires. Smart keys and remote head keys involve a more complex programming sequence than a plain transponder, so confirming your FCC ID or trim before we roll saves time for everyone. We operate 24 hours a day across Las Vegas, Henderson, and Summerlin, so there is no waiting until Monday or hunting for a tow truck. For remote-only programming questions, visit our key fob programming page.
Chevrolet Sonic key questions
How much does a 2012–2020 Chevrolet Sonic key replacement cost?
A replacement key for a 2012–2020 Chevrolet Sonic typically runs around $295 installed by our mobile technician — cut, programmed, and tested at your location in Las Vegas. The firm price is confirmed on-site before any work starts; there is no after-hours surcharge.
Can you make a Chevrolet Sonic key without the original?
Yes. Even with all keys lost, we can originate a new key for your Chevrolet Sonic by accessing the immobilizer directly — no dealer tow required. It costs a bit more than copying an existing key, so keeping a spare is the cheapest insurance.
Do you program push-to-start smart keys for the Chevrolet Sonic?
Yes — we cut and program proximity smart keys (FCC LXP-T003, HYQ4AA, OHT01060512, KR55WK50073) on-site, so your Sonic starts and locks normally before we leave.
Which key does my 2012–2020 Chevrolet Sonic use?
Depending on the exact build, your Sonic uses one of: Remote Flip Key, Smart Key, Remote Head Keys, Transponder Key. Match your key to the photos above, or send us the FCC number printed on the back and we'll load the right one.
Can I program a Chevrolet Sonic key fob myself without a locksmith?
Some older Sonic remote fobs allow a self-programming sequence through the door lock and ignition, but transponder keys and smart keys require professional OBD programming — a DIY attempt on those will leave the key cut but non-functional. If your Sonic uses one of the remote flip or remote head key styles under FCC IDs like OHT01060512 or HYQ4AA, check your owner's manual first for a self-program procedure, but budget for professional programming if it does not work. A mobile locksmith can confirm on the spot which method applies to your exact variant.
How long does Chevrolet Sonic key replacement take on-site in Las Vegas?
For most Sonic key types — transponder, flip key, or remote head key — the full cut-and-program process takes roughly 20 to 40 minutes once the technician is at the vehicle. Smart key replacement can run slightly longer due to the additional security handshake required by the push-button start system. Because we stock all 19 Sonic key variants on the service van, there is no waiting for a part to be ordered.
Will a replacement Sonic key work the same as the original factory key?
Yes — we use OEM-quality blanks matched to your Sonic's specific FCC ID and frequency (315 MHz), so lock, unlock, trunk, and panic functions all operate identically to the original. The transponder chip is programmed to your vehicle's immobilizer, meaning the engine will start normally without any warning lights. If your original remote had 4 or 5 buttons, your replacement will match that button count exactly.
Get your Chevrolet Sonic key today
A mobile technician comes to you, cuts and programs the key, and confirms the firm price first. Same price day or night.