2018 Chevrolet Onix Problems: 1 Issue Every Owner Should Know
2018 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2018 Chevrolet Onix has 1 documented issue, with 1 rated critical. The most serious is Fuse-Box Relay Water Ingress Can Activate the Starter and Cause a Fire (Brazil Recall). DIY maintenance guides at au7o.io.