Final answer:
To merge properly in a closed lane, take your foot off the gas pedal and steer back onto the road when the vehicle has slowed.
Step-by-step explanation:
The subject of this question is Driving and Road Safety.
To merge properly in a closed lane, it is important to adjust your speed. You can do this by taking your foot off the gas pedal and smoothly steering back onto the road when your vehicle has slowed down. This allows you to merge safely with the flow of traffic in the open lane.