1993 Buick Riviera Owner's Manual - Page 232

Then, without shuttingoff the engine, follow these stem: 3. Check both sides ofthe dipstick, and read the lower level. The fluid level mustbe . i n the cross-hatched mea. P 1. Pull out the dipstick and wipe it with a clean rag or paper towel. 2. Push it 'back aa the way, wait three seconds and in I 4. If the fluid level is whereit should be, push the dipstick back in all the way. :thenpull it back out again. How to Add Fluid: Refer to the Maintenance Schedule to determine what use. kind of transaxle fluid to See "Recommended Fluids and Lubricants"in the Index. If the-fluid level is low, add only enough proper of the fluid to bring the level into the cross-hatched area on the dipstick. It doesn't take much fluid, generally less than a pint. D,on't overfill. We recommend you use only fluid labeled DEXRONB-IIE, because fluids with that label 230