Mazda 3 Owner's Manual page 394

Interior Features
Audio System
WARNING
Do not adjust the portable audio unit
or a similar product while driving the
vehicle:
Adjusting the portable audio unit
or a similar product while driving
the vehicle is dangerous as it could
distract your attention from the vehicle
operation which could lead to a serious
accident. Always adjust the portable
audio unit or a similar product while
the vehicle is stopped.
CAUTION
Always close the auxiliary jack/
USB port lid when it is not in use. If
foreign matter or liquid penetrates
the auxiliary jack/USB port, it may
cause a malfunction.
Depending on the portable audio
device, noise may occur when the
device is connected to the vehicle
accessory socket. (If noise occurs, do
not use the accessory socket.)
NOTE
This mode may not be usable
depending on the portable audio
device to be connected.
Before using the auxiliary jack/USB
port, refer to the instruction manual
for the portable audio device.
5–76
NOTE
Use a commercially-available,
non-impedance (3.5 ) stereo mini
plug for connecting the portable
audio unit to the auxiliary jack.
Before using the auxiliary jack, read
the manufacturer's instructions for
connecting a portable audio unit to
the auxiliary jack.
To prevent discharging of the battery,
do not use the auxiliary input for
long periods with the engine off or
idling.
When connecting a device to the
auxiliary jack or USB port, noise
may occur depending on the
connected device. If the device is
connected to the vehicle's accessory
socket, the noise can be reduced by
unplugging it from the accessory
socket.
How to connect USB port/
Auxiliary jack
Type A/Type B (Without CD player)
USB port Auxiliary jack