NHTSA vehicle safety data
2018 Chevrolet Sonic Recalls, Ratings & Complaints
The 2018 Chevrolet Sonic has 1 NHTSA recall campaign and 15 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Chevrolet dealer.
NHTSA recall and complaint data for the 2018 Chevrolet Sonic, plus NCAP crash-test ratings. Recall data is refreshed daily from NHTSA.
2018 Chevrolet Sonic owner complaints
Owners have filed 15 complaints with NHTSA about the 2018 Chevrolet Sonic, describing incidents dated October 11, 2018 to October 13, 2026.
Most-cited components
- Electrical System 6 complaints
- Engine 4 complaints
- Fuel/Propulsion System 2 complaints
- Seats 2 complaints
- Unknown or Other 2 complaints
- Wheels 2 complaints
Newest complaints
ODI #11771007 · Filed
My 2018 Chevrolet Sonic 1.8L has experienced repeated complete battery discharge and electrical failures over approximately two years. The factory infotainment system does not consistently shut down after the ignition is turned off. I must follow a specific shutdown procedure or occasionally remove…
ODI #11675305 · Filed
Dear GM Executive Office, I am writing in frustration and disappointment after being told today by Chevrolet Customer Assistance that the case I opened (Case # [XXX]) was simply a "dealer complaint" and that no further help would be offered - despite my vehicle exhibiting a recurring, safety-related…
ODI #11661264 · Filed
The contact owns a 2018 Chevrolet Sonic. The contact stated that while driving at an undisclosed speed, the engine was idling roughly. The contact stated that the check engine warning light was illuminated. Additionally, the contact stated that the vehicle was consuming an excessive amount of fuel…
Seat Back Frame Joint Improperly Welded
NHTSA #18V342000 · Seats · NHTSA notice
Reported May 27, 2018 · General Motors LLC
Potentially affected: 71 vehicles
Repair completion: 80.28% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Manufacturer campaign 18178 · Owners notified June 28, 2018 · Vehicles built October 31, 2017 – November 22, 2017 (per NHTSA)
Defect description
General Motors LLC (GM) is recalling certain 2018 Chevrolet Sonic vehicles. A joint in the driver's seat-back frame may not be properly welded, reducing the strength of the seat-back frame.
Safety consequence
In the event of a rear-impact crash, the seat-back may fail, increasing the risk of injury.
Manufacturer remedy
GM will notify owners, and dealers will replace the driver's seat-back, free of charge. The recall began June 28, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18178.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Other Chevrolet Sonic model years
Check your 2018 Chevrolet Sonic VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Chevrolet Sonic at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Chevrolet VIN