Purpose
The heater core heats passing air.
Function
A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core.

Construction
The heater core consists of a tube which passes engine coolant, and the heat radiation fin.

Operation
The engine coolant warmed by the engine heat is sent to the heater core.
The air blown by the blower motor is warmed up by heat exchange when it passes through the heat radiation fin of the heater core.

Fail-safe
Function not equipped.
Heated Oxygen Sensor (HO2 S) Heater Control [Skyactiv G 2.0]
Heater Core InspectionHeadlight Bulb Removal/Installation
Halogen Type
Headlight LO bulb
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Rotate the headlight LO bulb in the direction of the arrow (1) shown in the
figure to remove it in the direction of the arrow (2) shown in the figure.
CAUTION:
A halogen bu ...
Interior Lights
Overhead Lights
Front Map Lights
When the overhead light switch is in the door or off position, press the lens
to illuminate the front map lights, and then press the lens again to turn them off.
NOTE
The front map lights will not turn off even if the lens is pressed in the
following ca ...
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 your Mazda.
• Do not race the engine.
• Do not maintain one constant speed,
either slow or fast, for a long period of time.
• Do not drive constantl ...