How do you replace turn signal on a 1999 Oldsmobile Aurora?

To replace the turn signal on a 1999 Oldsmobile Aurora, first, open the hood and locate the turn signal assembly. Disconnect the battery to ensure safety, then remove the screws or clips holding the assembly in place. Carefully pull out the old turn signal bulb, replace it with a new one, and reassemble the assembly by reversing the removal process. Finally, reconnect the battery and test the turn signals to ensure they are functioning properly.