Waymo is working on Generative AI training using “interior camera data associated with rider’s identity,” provides opt-opts for this and data sharing under CCPA
Waymo explicitly states in this unreleased Privacy page it may share your data for personalized ads
The sad part is there’s almost certainly demand for an app that would let you remote start your car and use other built-in features without the associated tracking, but unfortunately the only way a 3rd party app can do it without installing an expensive 2 way alarm system or similar device, is by using the manufacturer’s APIs, which means the car has to be connected to the manufacturer :/