Where is the oil sending unit on a 2003 Buick lesabre?

The oil sending unit on a 2003 Buick LeSabre is located on the engine block, near the oil filter. It's typically situated on the driver's side, towards the back of the engine. To access it, you may need to remove some components for better visibility and reach. Always ensure the engine is cool and take necessary safety precautions when working on the vehicle.