How do you repair shifter console light 2003 Lincoln Navigator - gear selector doesn't light up?

To repair the shifter console light on a 2003 Lincoln Navigator, first, check the fuse associated with the console lights and replace it if necessary. If the fuse is intact, remove the center console cover to access the gear selector assembly. Inspect the bulb or LED behind the gear selector for any damage and replace it if needed. Reassemble the console and test the lights to ensure they illuminate correctly.