1996 Buick Park Avenue Owner's Manual - Page 268

How to Check and AddOil Check oil only when the engine is cold. Allow the engine to cool two to three hours after running. Automatic Transaxle Fluid When to Check and Change A good time to check your automatic transaxle fluid level is when theengine oil is changed. Change both the fluid and filter every 50,000 miles (83 000 k ) the vehicle is mainly driven under oneor m if more of these conditions: 0 r I If you remove the supercharger oil plug while fill the engine is hot, pressure may cause hot oil to blow out of the oil fill hole. You may be burned. Do not remove the plug until the engine cools. 1. Remove the wiring harness shield. In heavy city traffic where the outside temperature F regularly reaches 90 O (32 C) or higher. O 0 0 In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. 2. Clean the area around the oil fill plug before removing it. 3. Remove the oil fill plug using a 3/16 Allen wrench. 4. The oil level is correct when it just reaches the bottom of the threads of the inspection hole. 5. Replace the oil plug with the O-ring in place. Torque to 88 lb-in (10 N-m). If you do not use your vehicle under any of these conditions, the fluid and filter do not require changing. See "Scheduled Maintenance Services" in the Index. 6. Replace wiring harness shield.