Volt Meter / Gauge
03-09-2012, 11:32 PM
#61
Junior Member
2010 F 150
Some warning lights are reconfigurable telltale (RTT) indicator lights and will illuminate in the message center. These lights function the same as the other warning lights.
Charging system (RTT):
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.
system or a related component.
