Buick PARKAVENUE 1994 Manual page 130

Malfunction Indicator Lamp (Service
Engine Soon Light)
SERVICE
ENGINE SOON
NOTICE:
If you keep driving your vehicle with this light on,
after a while the emission controls won't work as
well, your fuel economy won't be as good and
your engine may not run as smoothly. This could
lead to costly repairs not covered by your
warranty.
SERVICE
ENGINE
SOON
Battery Light
A computer monitors operation of your fuel, ignition
and emission control systems. This light should come on
when the ignition is on and 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.
n
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 the light stays on, you need