2009 Ford F350 Super Duty Crew Cab Owner's Manual - Page 62
2009 Ford F350 Super Duty Crew Cab Manual
Page 62 highlights
Entertainment Systems Headphones Wireless headphones WARNING: The driver should never use the headphones while driving the vehicle. Using headphones may prevent the driver from hearing audible warnings such as horns or emergency sirens, which could result in a crash causing serious injury. Give your full attention to driving and to the road. Your FES system is equipped with two sets of battery powered, infrared wireless headphones. Two AAA batteries are needed to operate the headphones. (Batteries are included.) Additional infrared wireless headphones may be purchased for use with the system. Also, wired headphones may be purchased and plugged in where indicated on the left and right hand sides of the system. Refer to Wired Headphones following. 62 2009 F-250/350/450/550 (f23) Owners Guide, 3rd Printing USA (fus)
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