1994 Buick Regal Owner's Manual - Page 222

Automatic Transaxle Fluid When to Check and Change A good time to check your automatic transaxle fluid level is when the engine oil is changed. Refer to the Maintenance Schedule to determine when to change your fluid. See "Scheduled Maintenance Services" in the Index. How to Check I NOTICE: If the air cleaner is off, a backfire can cause a damaging engine fire. And, dirt can easily get into yourengine, which willdamage it. Always have the aircleaner in place when you're driving. Because this operation can be a little difficult, you may choose to have this done at a Buick dealership Service Department. If you do it yourself, be sure to follow all the instructions here, or you could get a falsereading on the dipstick. NOTICE: Too much or too little fluid can damage your transaxle. Too much canmean that some of the fluid couldcome out and fall on hot engine parts or exhaust system, starting a fire. Be sure to get an accurate reading if you check your transaxle fluid.