2015 Cadillac XTS Owner Manual - Page 282

Vehicle Care 10-13 Automatic Transmission Fluid A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer and have it repaired as soon as possible. See your dealer to have the fluid and filter changed at the intervals listed in the Maintenance Schedule on page 11-4. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance intervals. See Maintenance Schedule on page 11-4. If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change. To inspect or replace the engine air cleaner/filter: How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake it to release loose dust and dirt. If the filter remains covered with dirt, a new filter is required. Engine Air Cleaner/Filter The engine air cleaner/filter is in the engine compartment on the passenger side of the vehicle. See Engine Compartment Overview on page 10-5. 3.6L V6 Engine 1. Remove the seven screws on top of the engine air cleaner/filter housing. 2. Lift the filter cover housing away from the engine. 3. Pull out the filter. 4. Inspect or replace the engine air cleaner/filter. 5. Reverse Steps 1-3 to reinstall the filter cover housing.