Mercury 2009 Grand Marquis Owner's Manual page 13

Charging system: Illuminates when
the battery is not charging properly.
Engine oil pressure: Illuminates
when the oil pressure falls below the
normal range. Check the oil level
and add oil if needed. Refer to
Engine oil in the Maintenance and Specifications chapter.
Engine coolant temperature (if
equipped): 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.
Traction Control™
AdvanceTrac active (if
equipped): Illuminates when the
Traction Control™ system is active.
It will be lit for a minimum of four
seconds or for the duration of the
Traction Control™ event, refer to the Driving chapter for more
information.
Severity indicator (if equipped):
Displays the indicated severity color
when any of the following warning
conditions has occurred:
• Red: Low Oil Pressure, Charge
System, Engine Coolant Over Temperature, Door Ajar
• Amber: Low Fuel
Refer to Message center in the Driver Controls chapter.
2009 Grand Marquis (grn)
Owners Guide, 1st Printing
USA (fus)
Instrument Cluster
13