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• They will not reappear until an ignition off-on cycle has been
completed.
This acts as a reminder that these warning conditions still exist within
the vehicle.
Warnings that can be reset:
DRIVER DOOR AJAR — Displayed when the driver’s door is not
completely closed.
PASSENGER DOOR AJAR — Displayed when the passenger side door
is not completely closed.
Warnings that return after 10 minutes:
OIL PRESSURE LOW — Displayed when the engine oil pressure is low.
If this warning message is displayed, check the level of the engine oil.
Refer to Engine oil in the Maintenance and Specifications chapter for
information about adding engine oil. If the oil level is OK and this
warning persists, shut down the engine immediately and contact your
authorized dealer as soon as possible.
CHECK CHARGING SYSTEM — Displayed when the electrical system
is not maintaining proper voltage. If you are operating electrical
accessories when the engine is idling at a low speed, turn off as many of
the electrical loads as soon as possible. If the warning stays on or comes
on when the engine is operating at normal speeds, contact your
authorized dealer as soon as possible.
SERVICE ADVANCETRAC — Displayed when the AdvanceTrac
system has detected a condition that requires service.
CHECK FUEL FILL INLET — Displayed when the fuel fill inlet may
not be properly closed. Refer to Easy Fuel™ “no cap” fuel system in
the Maintenance and Specifications chapter.
FUEL LEVEL LOW — Displayed as an early reminder of a low fuel
condition.
Warnings that return after the ignition key is turned from off to
on:
CHECK BRAKE SYSTEM — Displayed when the braking system is not
operating properly. If the warning stays on or continues to come on,
contact your authorized dealer as soon as possible.
LOW TIRE PRESSURE — Displayed when one or more tires on your
vehicle have low tire pressure. Refer to Inflating your tires in the Tires,
Wheels and Loading chapter.
Instrument Cluster
30
2010 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)