1. Open the trunk of the Lexus SC 300.
2. Locate the tail light assembly, which is housed behind a plastic cover.
3. Use a screwdriver or pry tool to carefully remove the plastic cover from the tail light assembly.
4. Once the plastic cover is removed, you will see the tail light bulb. Twist the bulb counterclockwise to remove it from the assembly.
5. Insert a new tail light bulb into the assembly and turn it clockwise until it is secure.
6. Replace the plastic cover and close the trunk.