Here is how TomTom used a Google Design Sprint

TomTom aims to offer its customers an option to subscribe to an existing service. Due to the fact that their installed client base is of an international nature, the 4-day google design sprint methodology was used to test a prototype among their customers.

Scope for the Design Sprint: 

The scope is to understand their response to the new subscription model and whether or not this is in line with the current strategy regarding the go-to-market strategy used to launch this new model.