FORD 2013 Mustang v.3 - Manual (Page 125)

USB PORT (IF EQUIPPED)
WARNING: Driving while distracted can result in loss of vehicle
control, accident and injury. Ford strongly recommends that you
use extreme caution when using any device or feature that may take
your focus off the road. Your primary responsibility is the safe operation
of your vehicle. We recommend against the use of any handheld device
while driving, encourage the use of voice-operated systems when
possible and that you become aware of applicable state and local laws
that may affect use of electronic devices while driving.
The USB port allows you to plug in
media playing devices, memory
sticks and charge devices (if
supported). See the SYNC chapter
for more information.
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124 Audio System
2013 05+ Mustang (197)
Owners Guide gf, 3rd Printing
USA (fus)