Pontiac None Aztek Owner's Manual page 171

Charging System Indicator Message
It will remain on as long as the engine is not running.
It should go out once the engine is running. If it stays on,
or comes on while you are driving, you may have a
problem with the charging system. It could indicate that
you have problems with a generator drive belt, or
another electrical problem. Have it checked right away.
Driving while this indicator appears in the message
center could drain your battery.
If you must drive a short distance with the message on,
be certain to turn off all your accessories, such as
the radio and air conditioner.
The charging system
battery symbol will come
on in the message
center when you turn on
the ignition as a check
to show you it is working.
Low Oil Pressure Message
United States
Your vehicle is equipped with a low oil pressure warning
message.
Your oil pressure message lets you know when you
may have a problem with your engine oil pressure.
Canada
3-45