Ford F-250 Owner's Manual page 185

• The readiness light will not illuminate immediately after ignition is
turned on.
• A series of five beeps will be heard. The tone pattern will repeat
periodically until the problem and/or light are repaired.
If any of these things happen, even intermittently, have the SRS serviced
at your authorized dealer immediately. Unless serviced, the system may
not function properly in the event of a collision.
SOS Post-Crash Alert System™
The system automatically flashes the turn signal lamps and sounds the
horn three times at four second intervals in the event of a serious impact
that deploys an airbag (front, side, side curtain [if equipped]or Safety
Canopy [if equipped]) or the safety belt pretensioners.
The system can be turned off when any one of the following actions are
taken by the driver or any other person:
• pressing the hazard control button,
• or pressing the panic button on the remote entry transmitter.
The feature will continue to operate until the vehicle runs out of power.
Passenger airbag ON/OFF switch (if equipped)
WARNING: An airbag
ON/OFF switch may be
installed in this vehicle. Before
driving, always look at the face of
the switch to be sure the switch is
in the proper position in
accordance with these instructions
and warnings. Failure to put the
switch in a proper position can
increase the risk of serious injury
or death in a collision.
2011 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)
Seating and Safety Restraints
185