Mazda 3 Owners Manual: Driving Tips

Theft-Deterrent Labels

A label indicating that your vehicle is equipped with a Theft-Deterrent System is in the glove compartment. Mazda recommends that you affix it to the lower rear corner of a front door window ...

Break-In Period

No special break-in is necessary, but a few precautions in the first 1,000 km (600 miles) may add to the performance, economy, and life of the vehicle. Do not race the engine. Do not maintain ...

Other materials:

Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Disconnect the section (A) of the ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose while the engine is idling. NOTE: Because it is difficult to directly inspect the PC ...

Battery Replacement
If the buttons on the transmitter are inoperable and the operation indicator light does not flash, the battery may be dead. Replace with a new battery before the transmitter becomes unusable. CAUTION Make sure the battery is installed correctly. Battery leakage could occur if ...

Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1 Resistance inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. R ...