Level 2

Definition

Level 2 refers to a specific stage of vehicle automation where the vehicle can control both steering and acceleration/deceleration simultaneously, but the driver must remain engaged and supervise the driving task at all times. This level of automation allows for certain automated functions while still requiring the driver to be ready to take over when necessary, showcasing a balance between automated systems and human oversight.

5 Must Know Facts For Your Next Test

1. Level 2 automation enables the vehicle to perform tasks like steering and speed management, but the driver must monitor the environment and be prepared to intervene.
2. Examples of Level 2 systems include Tesla's Autopilot and GM's Super Cruise, which require driver engagement and supervision.
3. At Level 2, while the vehicle can assist significantly with driving tasks, it cannot handle all scenarios, particularly complex or unpredictable driving conditions.
4. The transition from Level 1 to Level 2 marks a shift where multiple automated functions can work together, enhancing driving comfort but still necessitating driver attention.
5. Safety concerns arise at Level 2 because drivers may become overly reliant on technology, potentially leading to inattention or delayed responses in critical situations.

Review Questions

• How does Level 2 automation enhance the driving experience while still requiring driver involvement?
  • Level 2 automation improves the driving experience by allowing vehicles to assist with both steering and acceleration/deceleration, which reduces driver workload during long trips or monotonous driving conditions. However, it requires drivers to stay attentive and ready to take control at any moment. This dynamic illustrates how automation can improve comfort without fully removing the responsibility from the driver.
• Evaluate the implications of Level 2 automation on driver behavior and safety.
  • Level 2 automation can lead to changes in driver behavior, as individuals may develop overconfidence in automated systems, which could impair their ability to respond quickly in emergencies. While these systems enhance convenience and reduce fatigue, they also raise safety concerns due to potential lapses in attention. It is crucial for drivers using these systems to maintain vigilance to ensure they can take control when required.
• Assess how advancements in Level 2 automation technologies may influence future developments towards higher levels of vehicle automation.
  • Advancements in Level 2 automation technologies provide valuable data on driver interaction and system performance, which are critical for developing higher levels of automation. Understanding how drivers react to and rely on these systems informs engineers about necessary safety protocols and user interface designs for Levels 3 through 5. By addressing the limitations and challenges observed at Level 2, manufacturers can create more robust systems that pave the way for fully autonomous vehicles while ensuring safety remains a top priority.

Related terms

SAE Levels of Automation:

A classification system developed by the Society of Automotive Engineers that defines six levels of vehicle automation, from Level 0 (no automation) to Level 5 (full automation).

Driver Assistance Systems: Technologies that aid drivers in performing various driving tasks, such as adaptive cruise control and lane-keeping assistance, typically found in Level 2 automated vehicles.

Human Factors: The study of how humans interact with systems and devices, particularly important in assessing how drivers respond to automation features like those found in Level 2 vehicles.