Mazda 3 Owners Manual: Modification and Add-On Equipment

Mazda 3 Owners Manual / Before Driving / Security System / Modification and Add-On Equipment

Mazda cannot guarantee the immobilizer and the theft-deterrent systems' operation if the system has been modified or if any add-on equipment has been installed.

CAUTION To avoid damage to the vehicle, do not modify the system or install any add-on equipment to the immobilizer and the theft-deterrent systems or the vehicle.

Immobilizer System

The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby hel ...

Other materials:

Back Up Light Switch Removal/Installation [G35 M R]
1. Remove the battery cover.. 2. Disconnect the negative battery cable. 3. Remove the battery component. (ex: battery, battery tray and PCM component). 4. Remove the aerodynamic under cover No.2.. 5. Drain the oil from the transaxle.. 6. Disconnect the back-up light switch connector and r ...

Precaution
Intermittent Concern Troubleshooting Vibration method If malfunction occurs or becomes worse while driving on a rough road or when the engine is vibrating, perform the steps below. NOTE: There are several reasons why vehicle or engine vibration could cause an electrical m ...

Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
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. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and b ...