How do you replace a tail light bulb on a Buick Reatta?

To replace the tail light bulb on a Buick Reatta, first, open the trunk and locate the tail light assembly. Remove the screws or clips holding the assembly in place, then gently pull the assembly out. Twist the bulb socket counterclockwise to remove it, replace the old bulb with a new one, and reassemble by reversing the steps. Make sure to test the new bulb before securing everything back in place.