2003 Cadillac Escalade Owner's Manual - Page 322

Engine Air CleanedFilter The engine air cleaner/filter assembly may have an air filter restriction indicator thatlets you know when the engine air cleaner/filter is dirty and needs to be serviced. The airfilter restriction indicator is located on the air filter assembly cover. See Engine Compartment Overview on page 5-12for more information on location. See Part B: Owner Checksand Services on page 6- IO to determine whento check the air filter restriction indicator. 1 The service window (A) with the percentage scale shows the amount of engine air cleanedfilter life used. Your engine air cleaner/filter is located in the air filter housing near the front corner of the engine compartment on the passenger's side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. When both service window (A) and service window (B) turn orange, replace the engine air cleanedfilter. After changing the engine aircleaner/filter, press the button on top of the air filter restriction indicator to reset it. 5-19