FORD 2010 F-550 v.2 - Manual (Page 17)

Low tire pressure warning (if
equipped): Illuminates when your
tire pressure is low. If the light
remains on at start up or while
driving, the tire pressure should be
checked. Refer to Inflating your tires in the Tires, Wheels and
Loading chapter. When the ignition is first turned to on, the light will
illuminate for three seconds to ensure the bulb is working. If the light
does not turn on, have the system inspected by your authorized dealer.
For more information on this system, refer to Understanding your tire
pressure monitoring system (TPMS) in the Tires, Wheels and
Loading chapter.
Charging system: Illuminates when
the battery is not charging properly.
If it stays on while the engine is
running, there may be a malfunction
with the charging system. Contact your authorized dealer as soon as
possible. This indicates a problem with the electrical system or a related
component.
Powertrain malfunction/Reduced
power/Electronic throttle
control (RTT): Displays when the
engine has defaulted to a
“limp-home” operation or when a transmission problem has been
detected and shifting may be restricted. If the light remains on, have the
system serviced immediately by your authorized dealer.
Traction control (RTT) (if
equipped): Displays when the
traction control system is active. If
the light remains on, have the
system serviced immediately by
your authorized dealer. Refer to Traction control in the Driving chapter
for more information
Check fuel cap (RTT): Displays
when the fuel cap may not be
properly installed. Continued driving
with this light on may cause the
Service engine soon warning light to
come on. Refer to Fuel filler cap in
the Maintenance and Specifications chapter.
Instrument Cluster
17
2010 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)