FORD 2009 F-150 v.2 - Manual (Page 15)

Charging system (RTT):
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.
Engine oil pressure (RTT):
Displays when the oil pressure falls
below the normal range. Refer to
Engine oil in the Maintenance
and Specifications chapter.
Door ajar (RTT): Displays when
the ignition is in the on position and
any door is open.
Engine coolant temperature
(RTT): Illuminates when the engine
coolant temperature is high. Stop
the vehicle as soon as possible, switch off the engine and let cool. Refer
to Engine coolant in the Maintenance and Specifications chapter.
WARNING: Never remove the coolant reservoir cap while the
engine is running or hot.
Low tire pressure warning:
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 Tire pressure monitoring system (TPMS) in the
Tires, Wheels and Loading chapter.
2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
Instrument Cluster
15