I am driving to many state parks these days to do some hiking, avoiding the busier ones. It's been wonderful driving locally and on the highways with much less traffic. Something happened yesterday that amazed me. I was on HV Charge, going 65 mph, and my HV range went to 0. I had over 20 EV range at the time, which was enough to get me to my favorite gas station, but the car remained in HV Charge mode, for the next 15 miles, continuing to charge as I watched my EV range increase. It finally changed from HV charge to EV at 28 EV range, and the message said it had reached maximum for HV charge. I guess there must have been enough gas left to do that, even though the HV range "estimate" said 0. Nice to know there's that cushion to fall back on.