2010 Honda Accord - What is the minimum amount of driving needed so the car get damaged from sitting?

My brother is overseas in the military and I'm in charge of maintaining his car. It is a 2010 Honda Accord. I live in New England and it will be sitting in my driveway. It is a lease with half of its allowed miles gone, so I don't want to drive it too much, but what is the minimum I have to drive it so that the car isn't damaged from sitting? Thanks2010 Honda Accord - What is the minimum amount of driving needed so the car get damaged from sitting?At least 1/2 hour once a month. It takes a long time to completely warm up the whole car.2010 Honda Accord - What is the minimum amount of driving needed so the car get damaged from sitting?i would say, running to the grocery store or some other errand once a week should be sufficient