2013 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS bulb

Brake Reserve System (if equipped)
Illuminates to indicate normal hydromax booster reserve system
activation when the engine is off and the service brake pedal is
applied.
This light may also illuminate momentarily if the engine is running and
the driver turns the steering wheel fully in one direction while braking.
If the light remains on while the engine is running, this indicates
inadequate hydraulic booster pressure or reserve pump system failure.
Stop the vehicle as soon as possible and seek service immediately by
your authorized dealer.
Cruise Control (if equipped)
It will illuminate when you switch this feature on.
Direction Indicator
Illuminates when the left or right turn signal or the hazard
warning flasher is turned on. If the indicators stay on or flash
faster, check for a burned out bulb.
Electronic Throttle Control
Illuminates when the engine has defaulted to a limp-home
operation. See your authorized dealer as soon as possible.
High Beam
It will illuminate when the headlamp high beam is switched on.
It will flash when you use the headlamp flasher.
Fasten Safety Belt
It will illuminate and a chime will sound to remind you to fasten
your safety belt.
Instrument Cluster19
2013 Motorhome(mot)
Owners Guide gf, 1st Printing
USA(fus)

Service Engine Soon
If the service engine soon indicator light stays illuminated after
the engine is started, it indicates that the On Board Diagnostics
system (OBD) has detected a malfunction of the vehicle
emissions control system. Refer toOn board diagnostics (OBD)in the
Fuel and Refuelingchapter for more information about having your
vehicle serviced.
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.
Note:Under engine misfire conditions, excessive exhaust temperatures
could damage the catalytic converter or other vehicle components.
The service engine soon indicator light illuminates when the ignition is
first turned on prior to engine start to check the bulb and to indicate
whether the vehicle is ready for Inspection/Maintenance (I/M) testing.
Normally, the service engine soon light 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 light blinks eight times, it
means that the vehicle is not ready for I/M testing. SeeReadiness for
Inspection/Maintenance (I/M) testingin theFuel and Refueling
chapter.
Transmission Tow/Haul (if equipped)
Illuminates when the tow/haul feature has been activated. If the
light flashes steadily, have the system serviced immediately,
damage to the transmission could occur.
20Instrument Cluster
2013 Motorhome(mot)
Owners Guide gf, 1st Printing
USA(fus)

Readiness for Inspection/Maintenance (I/M) Testing
Some state/provincial and local governments may have
Inspection/Maintenance (I/M) programs to inspect the emission control
equipment on your vehicle. Failure to pass this inspection could prevent
you from getting a vehicle registration.
If the service engine soon indicator is on or the bulb does not
work, the vehicle may need to be serviced. Refer toOn-board
diagnostics (OBD-II)in this chapter.
Your vehicle may not pass the I/M test if the service engine soon
indicator is on or not working properly (bulb is burned out), or if the
OBD-II system has determined that some of the emission control systems
have not been properly checked. In this case, the vehicle is considered
not ready for I/M testing.
If the vehicle’s engine or transmission has just been serviced, or the
battery has recently run down or been replaced, the OBD-II system may
indicate that the vehicle is not ready for I/M testing. To determine if the
vehicle is ready for I/M testing, turn the ignition key to the on position
for 15 seconds without cranking the engine. If the service engine soon
indicator blinks eight times, it means that the vehicle is not ready for I/M
testing; if the service engine soon indicator stays on solid, it means that
the vehicle is ready for I/M testing.
The OBD-II system is designed to check the emission control system
during normal driving. A complete check may take several days. If the
vehicle is not ready for I/M testing, the following driving cycle consisting
of mixed city and highway driving may be performed:
15 minutes of steady driving on an expressway/highway followed by
20 minutes of stop-and-go driving with at least four 30-second idle
periods.
Allow the vehicle to sit for at least eight hours without starting the
engine. Then, start the engine and complete the above driving cycle. The
engine must warm up to its normal operating temperature. Once started,
do not turn off the engine until the above driving cycle is complete. If
the vehicle is still not ready for I/M testing, the above driving cycle will
have to be repeated.
38Fuel and Refueling
2013 Motorhome(mot)
Owners Guide gf, 1st Printing
USA(fus)