alternator BUICK PARK AVENUE 1993 Owners Manual

Page 128 of 340

Malfunction Indicator Lamp
(Service Engine Soon Light)
SERVICE
ENGINE SO0
SERVICE
ENGINE
SOON
A computer monitors operation of your fuel, ignition
and emission control systems. This light should come on
when the ignition is on, but the engine is not running, as
a check to show you it is working. If it does not come on
at all, have
it fixed right away. If it stays on, or it comes
on while you are driving, the computer is indicating that
you have a problem. You should take your vehicle
in for
service soon.
NOTICE:
If you keep driving your vehicle with this light on-
after a while the emission controls won’t work as
1
well, your fuel economy won’t be as good and
your engine may not run as smoothly. This could
lead
to costly rer>airs not covered by your
warranty.
Battery Light
VOLTS
When you turn the key to RUN, this light will come on
briefly, to show that your alternator and battery charging systems are working. If a light stays
on, you need
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