Another way to look at the OS question is, do IVT systems that use something other than CE have issues?
Well, as a matter of fact, the Cadillac CUE system does not use CE, it uses Linux. CUE also uses completely different hardware and different developers, and Microsoft no where to be found.
However, CUE has rebooting issues (Initializing Application = Performing Scheduled Maintenance), latency issues (2-3 seconds for a response), voice activation problems, indexing problems, runaway radio volume increases, and on and on.
For reference to problems with a non-Microsoft IVT system,
"The 2013 Cadillac ATS's ambitious CUE infotainment system was fast-tracked into production and side-stepped usability engineering. It makes MyFordTouch look comparatively excellent.
My prediction: CUE will be deservedly skewered here and elsewhere for its slow response to touch, poor indexing (correspondence to where it is touched), intermittent outright crashing (pictured), illogical menus, pagination and interface, and so on
. Just one night in the car and I experienced all of these."
"CUE appears to be a textbook example of a first-generation product that is in dire need of revision" "CUE would be critized in a $20,000 car, but at more than $40,000 and a vehicle that can easily exceed $50,000, CUE is more a toy than a useful and safe interface.
"Everyone who has used CUE agrees that it is pretty flawed." "CUE seems to be a bad copy of Ford MyTouch system