Hard to answer

Technical and personal issues make it challenging to link smartphones to vehicles.

Human-machine interfaces (HMIs) are quickly evolving as smartphones and apps enter vehicles. Developers are allowing multiple ways for drivers to interact with apps and phones, knowing that a well-designed HMI can be a significant differentiator while a problematic HMI can become fodder for highly-publicized criticism.

The tightening link between cars and consumer devices is challenging vehicle designers who must adopt consumer technologies for control. Most executives agree that a range of control and display technologies will be needed to manage apps and phones.