Pontiac 1997 Grand Prix Owner's Manual page 360

I
Short Trip/City Maintenance Schedule
I
50,000 Miles (83 000 km)
0
Change automatic transaxle fluid and filter
if the vehicle is mainly driven under one or
more of these conditions:
-
In heavy city traffic where the outside
temperature regularly reaches 90 "F
(32°C)
cx higher.
-
In hilly or mountainous terrain.
-
When doing frequent trailer towing.
-
Uses such as found in taxi, police or
delivery service.
If you do not use your vehicle under any of
these
conditions,
the
fluid and filter do not
require changing.
DATE ACTUAL MILEAGE
1