We likely need to merge to two competing Hotpass threads as the same stuff is being bantered about.
They did in advance and continue to tell users that only selected models will work 110% for all advanced interactive features.
Q: Do I need any special DIRECTV equipment to watch NASCAR HotPass?
A: No. All DIRECTV receivers allow you to view NASCAR HotPass channels. However, some additional interactive features may be included in the package, which will require an interactive receiver to use those added features. The D10, D11, HR20, R15 models are all interactive at this time.