1995 Buick Century Owner's Manual - Page 212
1995 Buick Century Manual
Page 212 highlights
3100 V6 Engine 2.2L L4 Engine The 3 100 V6 engine oil dipstick is located near the front and center of the engine compartment. The 2.2L L4 engine oil dipstick is located in the fill cap near the front and center of the engine compartment. 6-8