Ford Explorer 2010 Owner's Manual page 470

Charging system: Illuminates when the battery is not charging properly.
If it stays on while the engine is running, there may be a malfunction
with the charging system. Contact your authorized dealer as soon as
possible. This indicates a problem with the electrical system or a related
component.
• Standard instrument cluster
• Optional instrument cluster
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: 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.
• Standard instrument cluster
• Optional instrument cluster
WARNING: Never remove the coolant reservoir cap while the
engine is running or hot.
2010 Explorer (exp)
Owners Guide (own2002), 1st Printing
USA (fus)
Instrument Cluster
15