2002 Buick LeSabre Owner's Manual - Page 283

Engine Oil If the ENGINE OIL LOWCHECK LEVEL DIC message appears on the instrument cluster, it means you need to check your engine oil level right away. For more information, see "DIC Warnings and Messages" in the Index. Checking Engine Oil It's a good idea to check your engine oil every time you get fuel. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick is located right behind the engine fans and in front of the engine oil filler cap. The top of the dipstick is a round yellow loop. See "Engine Compartment Overview" in the Index for more information on location. You should check your engine oil level regularly; this is an added reminder. 6-11