What should be done after passing a vehicle?

After passing a vehicle, it's crucial to signal again and perform a thorough check of your surroundings before completing the maneuver. This is essential for ensuring that you safely navigate back into your original lane without interfering with the vehicle you just passed or other vehicles on the road. Signaling your intention and checking mirrors and blind spots enhances communication with other drivers and maintains safety, as it alerts them of your movement and helps you gauge if it's safe to return to your lane.

Slowly coming to a stop immediately would be unsafe and potentially confusing for following traffic, while taking the next exit may not be relevant to your current driving situation. Changing lanes without signaling is dangerous, as it does not inform others of your intentions and increases the risk of a collision. Therefore, the appropriate action after passing is to signal clearly and check for safety before returning to your lane.