1996 Buick Roadmaster Owner's Manual - Page 240

Then, without shuttingoff the engine, follow these steps: 3. Check both sidesof the dipstick, and read the lower level. The fluid levelmust be in the COLD area for a cold check or in the HOT area or cross-hatched area 1. Flip the handle up and then pull out the dipstick and for a hot check. wipe it with a clean ragor paper towel. 4. If the fluid level is in the acceptable range, push the 2. Push it back in all the way, wait three seconds and dipstick back inall the way; then flip the handle then pullit back out again. down to lock the dipstick in place.