Mazda 3 Owners Manual: Reporting Safety Defects

Customer Assistance (Mexico)

Your complete and permanent satisfaction is our business. We are here to serve you. All Authorized Mazda Dealers have the knowledge and the tools to keep your Mazda vehicle in top condition. ...

Reporting Safety Defects (U.S.A.)

If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) i ...

Other materials:

Heated Oxygen Sensor (HO2 S) Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the HO2S connector. 4. Remove the HO2S u ...

DSC HU/CM Removal/Installation
WARNING: If the DSC HU/CM configuration is not completed, it could result in an unexpected accident due to the DSC being inoperative. If the DSC HU/CM is replaced, always use the automatic configuration function so that the DSC operation conditions are correct. If the DSC se ...

Clock Switch Inspection
NOTE: Clock switch built with the hazard warning switch. 1. Disconnect the negative battery cable.. 2. Remove the clock switch.. 3. Verify resistance between the clock switch terminals. If the resistance is not as specified, replace the clock switch. Between t ...