Mine was just a simple nail in the tread. I didn't pull over fast enough after the tired rapidly deflated, I damaged the sidewall of my tire. The car was fixed today, but the rental cost $130, the new tire cost $325 including labour. In total, it was a $450 lesson. I will be getting myself a spare to "spare" myself of any future expensive lessons...
That's too bad you couldn't pull over sooner. I wonder how long the nail was in the tire before the TPMS went off.
You might want to consider a smartphone app like ForScan to monitor tire pressure and other data. IMO, ForScan is the best $30 investment one can make for their C-Max. ForScan might have saved you from buying a new tire and maybe even a rental as usually nails and screws in the tread start out as very slow leaks. IIRC, the US DOT requirement for TPMS alarm is that the alarm must go off if the pressure drops below 75% of the placard rating of 38 psi for 2013 C-MAX) which in this case is 28.5 psi. I check pressure every time I drive the car and multiple times during shorter trips. On long trips, I have a mount for my smartphone that suctions to the side window and extends to the steering wheel.
With respect to the posts on emergency road service via ones insurance, I pay $8.62 per year (total rate for two cars).