1993 Pontiac Bonneville Owner's Manual - Page 238
1993 Pontiac Bonneville Manual
Page 238 highlights
To Check the Fluid Level: Park your vehicle on a level place. Place the shift lever in P (Park) with the parking brake applied. With your foot onthe brake pedal, move the shift lever through each gear range, pausing for about three seconds in each range. Then, position the shift lever in P (Park). Let the enginerun at idle for threeto five minutes. Then, Without ShuttingOff the Engine, Follow These Steps: 1. Pull out the dipstick and wipe it with a clean ragor paper towel. 2. Push it back in all the way, wait three 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 crosshatched area. 4. If the fluid level iswhere it should be, push the dipstick back inall the way. c