1997 Buick Century Owner's Manual - Page 284

Checking the Fluid Level 0 Park your vehicle on a level place. Keep the engine running. With the parking brake applied, place the shift lever in PARK (P). With your foot on the brake pedal, move the shift lever through each gear range, pausing for about three seconds in each range. Then, position the shift lever in PARK (P). Then, without shutting off the engine,follow these steps: 0 Let the engine run at idle for three to five minutes. The automatic transaxle fluid dipstick is red loop the located toward the rear of the engine. 1. Pull out the dipstick and wipe it with a clean rag or paper towel. 2. Push it back in all the way, wait three seconds and then pull it back out again. 6-18