WARNING
Always adjust the audio while the vehicle is stopped:
Do not adjust the audio control switches while driving the vehicle. Adjusting the audio while driving the vehicle is dangerous as it could distract your attention from the vehicle operation which could lead to a serious accident.
Even if the audio control switches are equipped on the steering wheel, learn to use the switches without looking down at them so that you can keep your maximum attention on the road while driving the vehicle.
CAUTION
For the purposes of safe driving, adjust the audio volume to a level that allows you to hear sounds outside of the vehicle including car horns and particularly emergency vehicle sirens.
NOTE
Do not spill any liquid on the audio system.

Do not insert any objects, other than CDs, into the slot.

Radio ReceptionMazda 6 Owners Manual: Fuel Gauge (Without Multiinformation Display)
The fuel gauge shows approximately how much fuel is remaining in the tank when
the ignition is switched ON. We recommend keeping the tank over 1/4 full.
If the low fuel warning light illuminates or the fuel level is very low, refuel
as soon as possible.
Refer to Warning Lights.
NOTE
...
Mazda 6 Owners Manual: Operating Tips for USB device
This unit plays audio files as follows:
CAUTION
Do not use an audio file extension on files other than audio files. In addition,
do not change the audio file extension. Otherwise, the unit will not recognize the
file correctly resulting in noise or a malfunction.
NOTE
Playback may not b ...