1995 Buick Park Avenue Owner's Manual - Page 124

Door Ajar Light (Option) When the ignition is ON, this light will stay on until all the doors are closed and completely latched. Engine Oil Pressure Light and Optional Gage DOOR AJAR OIL- Trunk Ajar Light (Option) If this light stays on with the ignition ON, it means that the trunk lid is open or not completely latched. If your car has the optional gage cluster, the oil pressure gage shows the engine oil pressure in pounds per square inch (psi). Canadian vehicles indicate pressure in kilopascals (Wa). There are three ways the oil pressure light can come on briefly, which are normal and don't show a problem. They are: 0 TRUNK AJAR The light comes on when you turn your key to RUN. It goes off once you turn the key to START. That's just a check to be sure the light works. If it doesn't, be sure to have it fixed so it will be there to warn you if something goes wrong.