FORD 2010 F-150 v.3 - Manual (Page 40)

AUDIO SYSTEMS
Note: If your volume is muted and MYKEY VOLUME LIMITED is
displayed, refer to MyKey™ in the Locks and Security chapter for more
information.
AM/FM stereo system (if equipped)
WARNING: Driving while distracted can result in loss of vehicle
control, accident and injury. Ford strongly recommends that
drivers use extreme caution when using any device or feature that may
take their focus off the road. Your primary responsibility is the safe
operation of the vehicle. We recommend against the use of any
handheld device while driving and that you comply with all applicable
laws.
Accessory delay: Your vehicle is equipped with accessory delay which
allows you to operate the radio and other electrical accessories for up to
ten minutes after the ignition has been turned off or until either front
door is opened.
Entertainment Systems
40
2010 F-150 (f12)
Owners Guide, 3rd Printing
USA (fus)