Where is the door ajar fuse located on a 2003 Subaru Impreza?

On a 2003 Subaru Impreza, the door ajar fuse is located in the fuse box under the dashboard on the driver's side. You can find the fuse box by looking to the left of the steering column, behind a cover. Check the fuse diagram on the cover or in the owner's manual to identify the specific fuse for the door ajar warning system. If the fuse is blown, replacing it should resolve any issues with the door ajar indicator.