This is a patent and not a detailed report on what they intend to use or are implementing.
Strategically speaking the optimal case is a patent to cover the process of sending directions to a car, including everything needed to request them, using any means.
Everyone who produces cars will have to implement some form of that at some point to stay relevant, which makes this a very valuable patent.
Sad that a patent could have so many ways to be implemented. Patents are supposed to be implementable. Google could hide a ton of trade secrets behind this patent.
Strategically speaking the optimal case is a patent to cover the process of sending directions to a car, including everything needed to request them, using any means.
Everyone who produces cars will have to implement some form of that at some point to stay relevant, which makes this a very valuable patent.