Voltmeter Gage
When the engine is not
running, but the ignition is
on, this gage shows the
battery's state of charge
in DC volts.
When the engine is running, the gage shows the
condition of the charging system. The gage can
transition from a higher to lower or a lower to higher
reading. This is normal. Readings between the low and
high warning zones indicate the normal operating
range.
The voltmeter gage can also read lower when in fuel
economy mode. This is normal.
Readings in the low warning zone can occur when a
large number of electrical accessories are operating in
the vehicle and the engine is left at an idle for an
extended period. This condition is normal since the
charging system is not able to provide full power at
engine idle. As engine speeds are increased, this
condition should correct itself as higher engine speeds
allow the charging system to create maximum power.
The vehicle can only be driven for a short time with the
reading in either warning zone. If the vehicle must be
driven, turn off all unnecessary accessories.
Readings in either warning zone indicate a possible
problem in the electrical system. Have the vehicle
serviced as soon as possible.
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