Acura 2003 NSX - Owner's Manual - Manual (Page 260)

This indicator should come on when
the ignition switch is ON (II), and go
out after the engine starts. If it
comes on brightly when the engine
is running, it indicates that the
charging system has stopped
charging the battery.
Immediately turn off all electrical
accessories: radio, climate control,
rear defogger, cruise control, etc.
Try not to use other electrically-
operated controls such as the power
windows. Keep the engine running
and take extra care not to stall it.
The starter motor uses lots of
current and will discharge the
battery rapidly. Check the voltmeter
as you drive. If there is a problem in
the charging system, the voltage will
gradually drop. By eliminating as much of the
electrical load as possible, you can
drive several miles (kilometers)
before the battery is too discharged
to keep the engine running. Drive to
a service station or garage where
you can get technical assistance.
Charging System Indicator
Taking Care of the Unexpected 257
CHARGING SYSTEM INDICATOR
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