I have no experience in automotive software development so I could be very wrong about this. But I suspect that Rust is a very poor choice if what he said is true about automotive development since, at least some, Rust devs openly talk about Rust being a more complicated language to program in. Increasing the complexity of software development in an environment like that will ultimately add the problem instead of solving it.

But referencing the parent comment's discussion of business processes, its highly unlikely the problems will appear until Volvo tries to move to some other vendor or swap out the software solution for the next greatest thing.