Autonomous Driving

Autonomous driving is one of the most ambitious developments in the automotive industry. For electric vehicles, it is closely connected to software-defined platforms, advanced sensors, centralized computing, precise electric powertrain control, and over-the-air software updates.

However, autonomous driving is also one of the most misunderstood areas of modern vehicle technology. Many cars can already steer, brake, accelerate, follow lanes, change lanes, or park with limited driver input. Some systems are marketed with terms that suggest self-driving capability, even when the driver must still monitor the road at all times.

This article is part of EVKX’s technology series, where we explain the systems that define modern electric vehicles. The separate article on driver assistance systems covers ADAS functions such as adaptive cruise control, lane keeping assistance, automatic emergency braking, blind-spot monitoring, traffic sign recognition, and parking assistance.

This article goes one step further. It explains autonomous driving as a complete vehicle capability: how the vehicle senses its surroundings, how software interprets traffic situations, how automation levels are defined, what separates Level 2 from Level 3, why most systems still require driver supervision, and how Level 4 robotaxi systems differ from the features available in private EVs.

Article Overview

This article covers the most important concepts behind autonomous driving in electric vehicles:

• The difference between ADAS and autonomous driving
• The SAE levels from Level 0 to Level 5
• Why Level 2 and Level 3 are fundamentally different
• Operational Design Domain, or where an automated system is allowed to operate
• Sensors such as cameras, radar, ultrasonic sensors, and LiDAR
• Software, artificial intelligence, perception, prediction, and driving decisions
• Why EV platforms are well suited for automated driving
• Leading real-world systems, from consumer Level 2 features to Level 4 robotaxis
• Safety, redundancy, regulation, and current limitations
• How autonomous driving may develop in the coming years

What Is Autonomous Driving?

Autonomous driving refers to technology that allows a vehicle to perform parts, or in some cases all, of the driving task without continuous human control.