Auto technology suppliers Delphi Automotive and Mobileye today announced a partnership to co-develop what they described as the market’s first turnkey fully autonomous driving system for automakers.

“Wait, did you switch on the turn signal,” I asked the person behind the wheel of an autonomous Audi Q5 developed by Delphi, “or did the vehicle do that on its own?” The test driver didn’t answer.

Amidst the growing complexity of automobile electrical and electronic systems, Delphi Automotive plc will boost that part of its business and expand in similar markets through the acquisition of ...