Let's say you're a consumer looking for a local car dealer. You go to Google, type in some keywords and you find the following two options.
Driving assistant mode helps you complete actions while driving. Unlike Android Auto, which must be compatible with specific cars and sound equipment, Google Assistant's driving mode can work with any vehicle.
According to 9to5Google, the reason the tech giant was closing the assistant driving mode was that most of them were using the Maps version. Because of the similarity of names and functionalities, some may not have even realized that the version of the Assistant existed.