Charging System Light; Voltmeter Gage - Buick 2009 Enclave Owner's Manual

Charging System Light

The charging system light comes on
briefly when the ignition is turned
on, but the engine is not running,
as a check to show the light is
working. It should go out when
the engine is started.
If the light stays on, or comes
on while driving, there may be a
problem with the electrical charging
system. Have it checked by your
dealer/retailer. Driving while this light
is on could drain the battery.
When this light comes on, the
Driver Information Center (DIC) also
displays the SERVICE BATTERY
CHARGING SYSTEM message.
See DIC Warnings and Messages
on page 3-50 for more information.
If a short distance must be driven
with the light on, be sure to turn
off all accessories, such as the
radio and air conditioner.

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, this
gage shows the condition of the
charging system. The vehicle's
charging system regulates voltage
based on the state of charge of the
battery. The voltmeter may fluctuate.
Instrument Panel
This is normal. Readings between
the low and high warning zones
indicate the normal operating range.
Readings in the low warning zone
may occur when a large number of
electrical accessories are operating
in the vehicle and the engine is left
idling for an extended period.
If there is a problem with the
battery charging system, a SERVICE
BATTERY CHARGING SYSTEM
message appears in the Driver
Information Center (DIC) and/or
the charging system light comes on.
See DIC Warnings and Messages
on page 3-50 and Charging System
Light on page 3-33 for more
information.
However, readings in either warning
zone can indicate a possible problem
in the electrical system. Have the
vehicle serviced as soon as possible.
3-33