What part of the space cushion is the most difficult to control?

The most difficult part of the space cushion to control is often the rear space, as it involves managing the distance between your vehicle and the vehicles behind you. This area can be unpredictable due to the actions of following drivers, such as sudden acceleration or braking. Additionally, maintaining a safe distance can be challenging in heavy traffic or when being tailgated. It's essential to remain vigilant and adjust your speed or position as needed to ensure safety.