There are 1 owner-reported electrical system complaints for the 2021 Mazda CX-9in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The oil light keeps coming on before your initial oil change. Also, the oil is actually low. They have already changed it and I'm having the same problem in less than 2 months.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026