Mazda CX-3: Owner Maintenance / Engine Compartment Overview

Closing the Hood

Check under the hood area to make certain all filler caps are in place and all loose items (e.g. tools, oil containers, etc.) have been removed...

Engine Oil

NOTE Changing the engine oil should be performed by an Authorized Mazda Dealer. Refer to Introduction for owner's responsibility in protecting your investment...

Other information:

Mazda CX-3 (2015-2026) Owner's Manual: Radar Sensors (Rear) (Some models)

Your vehicle is equipped with radar sensors (rear). The following systems also use the radar sensors (rear). Blind Spot Monitoring (BSM) Rear Cross Traffic Alert (RCTA) The radar sensors (rear) function by detecting the radio waves reflected off a vehicle approaching from the rear or an obstruction sent from the radar sensor...

Mazda CX-3 (2015-2026) Owner's Manual: Installing Child-Restraint Systems

Accident statistics reveal that a child is safer in the rear seat. The front passenger's seat is clearly the worst choice for any child under 12, and with rear-facing child-restraint systems it is clearly unsafe due to air bags. NOTE Even if your vehicle is equipped with front passenger occupant classification sensor, which automatically deactivates the front passenger air bag, a rear seat is the safest place for a child of any age or size...