1997 Cadillac DeVille Owner's Manual - Page 301

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. Change both the fluid and filter every 50,000 miles (83 000 k ) the vehicle is mainly driven under or m if one more of these conditions: 0 How to Check Because this operation can a little difficult, you be may choose to have thisdone at your Cadillac dealership service department. If you do it yourself, be sure to follow the instructions al l here, or you could get a false reading on the dipstick. 0 0 0 In heavy city traffic where the outside temperature regularly reaches90°F (32°C) or higher. In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. Use such as limousine service. NOTICE: Too much or too little fluid can damage your transaxle. Too much can mean that some the of fluid could come out and fall on hot engine parts or exhaust system parts, starting a Be sure to fire. get an accurate reading if you check your transaxle fluid. Wait at least30 minutes before checking transaxle the fluid levelif you have been driving: When outside temperatures are above90°F (32°C). At high speed for quite a while. In heavy traffic -- especially in hot weather. If you do not use your vehicle under of these any conditions, the fluid and filter do not require changing. in See "Scheduled Maintenance Services" the Maintenance Schedule booklet. 0 e While pulling a trailer. 6-18