Pontiac 1998 Grand Am Owner's Manual page 310

Short TripKity Maintenance Schedule
I
0
Rotate tires. See "Tire Inspection and Rotation" in the Index for
proper rotation pattern and additional information. (See footnote
+.)
(Also see footnote
++.)
15,000
Miles
(25
000 km)
0
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
0
Inspect air cleaner filter if you are driving in dusty conditions. Replace
filter if necessary.
An Emission Control Service. (See f0otnote.i-.)
18,000 Miles (30 000 km)
0
Change engine oil and filter (or every 3 months, whichever occurs first).
0
Lubricate chassis components (or every 6 months, whichever occurs first).
I7
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
An Emission Control Service.
(See footnote
#.)
rotation pattern and additional information. (See footnote
+.)
21,000 Miles (35 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
DATE
DATE
I
7-9