Ford 2012 F-250 User Manual download pdf (Page 15)

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101

bulb works. If any light remains on after starting the vehicle, refer to the

respective system warning light for additional information.

Standard message center

Note: Some warning lights are

reconfigurable telltale (RTT)

indicator lights and will illuminate in

the message center. These lights

function the same as the other

warning lights.

Optional message center

Note: Some warning lights are

reconfigurable telltale (RTT)

indicator lights and will illuminate in

the message center. These lights

function the same as the other

warning lights. The first three

positions will only display one

warning telltale at a time; the last

three positions can cycle between

different warning telltales.

Service engine soon: The service

engine soon indicator

illuminates when the ignition is first

turned to the on position to check

the bulb and to indicate whether the vehicle is ready for

Inspection/Maintenance (I/M) testing. Normally, the service engine soon

indicator will stay on until the engine is cranked, then turn itself off if no

malfunctions are present. However, if after 15 seconds the service engine

soon indicator blinks eight times, it means that the vehicle is not ready

for I/M testing. See the Readiness for Inspection/Maintenance (I/M)

testing in the Maintenance and Specifications chapter.

Solid illumination after the engine is started indicates the on-board

diagnostics system (OBD-II) has detected a malfunction. Refer to

On-board diagnostics (OBD-II) in the Maintenance and Specifications

chapter. If the light is blinking, engine misfire is occurring which could

damage your catalytic converter. Drive in a moderate fashion (avoid

heavy acceleration and deceleration) and have your vehicle serviced

immediately by your authorized dealer.

Instrument Cluster

2012 F-250/350/450/550 (f23)

Owners Guide, 4th Printing

USA (fus)

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Ford 2012 F-250 User Manual Page 15

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