Perfect long distance trip. I started with a full tank and full charge, put it in hold mode as soon as I left to keep the battery for an emergency. Mileage on gas was 33 MPG, very respectable for a 4000 lb car and I wasn't taking it easy, running 80 MPH most of the way. I had decided not charge while away to take advantage of the onboard generator but got stuck in a storm and heavy traffic in Orlando. I switched to battery because I don't like the engine starting and stopping so much. I think once the engine oil is hot, there is minimum wear on starts but it still bothered me. I ate up most of the battery stuck in traffic so the next morning I checked for chargers at Disney and they had several at the Magic Kingdom. I asked when we bought our parking pass and was directed to the handicapped parking, which is the very first row. There were two chargers not in use, I parked, plugged in, and was so close to the park we didn't need a TRAM. We walked across the street and were on the monorail.
ONSTAR app was a gold mine. My car is black, it was 95 degrees in Florida, which meant the interior of my car was probably 140 - 150. When we were getting on the monorail to get back to the parking lot, I logged into the ONSTAR app and did a remote/remote start. When we opened the door to the car, it was like a refrigerator inside. The integration of the electronics with this car are amazing.