FORD 2009 F-550 v.2 - Manual (Page 145)

This acts as a reminder that these warning conditions still exist within
the vehicle.
Warning display Status
Park brake engaged Warning returns after 10 minutes if
condition still exists.
Check brake system
Driver door ajar Warning returns after the ignition key
is turned from off to on.
Passenger door ajar
Rear left door ajar
Rear right door ajar
Fuel level low
Wiring fault on trailer (if
equipped)
Trailer brake module fault (if
equipped)
Trailer disconnected (if
equipped)
Brake fluid level low
Low tire pressure (if equipped) Warning can be cleared by pressing
the RESET button. Warning can
reappear if the condition is still
present. Warning will reappear on the
next ignition key-cycle if the condition
still exists.
Tire monitor fault (if equipped)
Tire sensor fault (if equipped)
2009 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)
Driver Controls
145