Pontiac 2000 Grand Am Owner's Manual page 285

Scheduled Maintenance
Engine Oil Scheduled Maintenance
Change engine oil and filter as indicated by the
t
GM Oil Life System (or every 12 months,
whichever occurs first). Reset the system. The system
will show you when to change the oil
3,000 miles (5 000 km) and 7,500 miles (12 500 km) since
your last oil change. Under severe conditions, the indicator
may come on before 3,000 miles (5 000 km). Never drive
your vehicle more than 7,500 miles (12 500 km) or
12 months without an oil and filter change.
7-6
The system won't detect dust in the oil. So if you drive in
a dusty area, be sure to change your oil and filter every
3,000 miles (5 000 km) or sooner if the CHANGE OIL
light appears. Remember to reset the Oil Life System
when the oil and filter have been changed. See "Oil Life
--
usually between
System" in the Index for information on resetting.
An Emission Control Service.