1. Inspect for resistance between the front door speaker terminals using an ohmmeter.


2. To verify that the front door speaker outputs sound, apply voltage to the front door speaker and release using a 1.5-V battery.
Front door speaker removal/installation
Rear door speaker removal/installationMazda 6 Service Manual: Seat Warmer (Some models)
The front seats are electrically heated. The ignition must be switched ON.
Press the seat warmer switch while the ignition is switched ON to operate the
seat warmer. The indicator lights turn on to indicate that the seat warmer is operating.
The mode changes as follows each time the seat warmer ...
Mazda 6 Service Manual: Outside Temperature Display
When the ignition is switched ON, the outside temperature is displayed.
NOTE
Under the following conditions, the outside temperature display may differ
from the actual outside temperature depending on the surroundings and vehicle conditions:
Significantly cold or hot temperatures.
Sudden ...