1998 Buick Park Avenue Owner's Manual - Page 296

Then, withoutshutting off the engine, follow these steps: 1. The transaxle fluid dipstick top is a round, red loop and is next to the brake master cylinder behind the engine block. Pull out the dipstick and wipe it with a clean rag or paper towel. ... 2. Push it back in all the way, wait t h e e seconds and then pull it back out again. 3. Check both sides of the dipstick, and read the lower level. The fluid'level must be in the cross-hatched area. 4. If the fluid level is i the acceptable range, push n the dipstick back in a11 the way.