2007 Cadillac CTS-V Owner's Manual - Page 353

3. Inspect or replace the engine air cleaner/filter. See Normal Maintenance Replacement Parts on page 476 for the correct part number for the filter. 4. Reinstall the cover by reversing Steps 1 and 2. Automatic Transmission Fluid It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take your vehicle to your GM dealer service department and have it repaired as soon as possible. Change the fluid and filter at the intervals listed in Additional Required Services on page 466, and be sure to use the transmission fluid listed in Recommended Fluids and Lubricants on page 474. Notice: Use of the incorrect automatic transmission fluid may damage your vehicle, and the damages may not be covered by your warranty. Always use the automatic transmission fluid listed in Recommended Fluids and Lubricants on page 474. {CAUTION: Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires. If it is not there and the engine backfires, you could be burned. Do not drive with it off, and be careful working on the engine with the air cleaner/filter off. Notice: If the air cleaner/filter is off, a backfire can cause a damaging engine fire. And, dirt can easily get into your engine, which will damage it. Always have the air cleaner/filter in place when you are driving. 353