Low Tire Pressure
It will illuminate when your tire pressure is low. If the lamp
remains on with the engine running or when driving, check
your tire pressure as soon as possible.
The lamp also illuminates momentarily when you switch the ignition on
to confirm the lamp is functional. If it does not illuminate when you
switch the ignition on, or begins to flash at any time, have the system
checked by an authorized dealer. Refer to Wheels and Tires for more
information.
Low Washer Fluid
It will illuminate when the windshield washer fluid is low.
Parking Lamps
It will illuminate when you switch the parking lamps on.
Powertrain Fault
Illuminates when a powertrain fault has been detected. Contact
your authorized dealer as soon as possible.
Service Engine Soon
The service engine soon indicator light 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”
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. See the Readiness for inspection/maintenance
(I/M) testing in the Fuel and Refueling 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 Fuel and Refueling 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 103
2015 Navigator (nav)
Owners Guide gf, 2nd Printing, December 2014
USA (fus)
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