1996 GMC Safari Owner's Manual - Page 316

I Short TripKity Maintenance Schedule 45,000 Miles (75 000 km) (Continued) 0Change automatic transmission 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 O F (32°C) orhigher. In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. I f you do not use your vehicle under any of tlzrse conditions, change the fluid and-filter every 30,000 miles (50 000 kn?). 0Inspect air cleaner filter if you are driving in dusty conditions. Replacefilter if necessary. An Emission Control Service. f I 1 I DATE ACTUAL MILEAGE SERVICED BY: 7-16