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What 112 owners told NHTSA about the 2018 Mazda CX-5

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (112)Crash / fire / injury (2)Engine (92)Transmission & drivetrain (17)Driver assistance (3)Electrical system (2)Engine & cooling (2)Backup camera & sensors (1)Brakes (1)Fuel system (1)Lane Departure (1)Steering (1)

1 of 112 complaints match · Lane Departure · clear filters

Sep 4, 2025Lane DepartureBackup camera & sensors

Back up cameras fail infotainment system reboots and maps on the system inadvertently counts stops plus changes volume at loudspeaker telling me “this is the level “ and is on highest volume. Which you can’t turn down. All are dangerously interfering with driving. Please put pressure on Mazda to fix and not just update software when the problem has been fixed called CMU

NHTSA ODI 11685123

Working with the data? Download all 112 complaints as CSV · fetched from NHTSA July 7, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2018 Mazda CX-5 verdict →