Other than basic design change I don't know what the solution could be, but yeah my wife accidently had it on the other day. Not comfortable with the hot weather.
I've accidentally pushed the seat warmer button for the driver's seat a couple times. Mildly annoying, but it heats up fast enough that you can tell very quickly. I don't think there's a fix short of being conscious those buttons are there and avoiding putting stray objects, elbows, etc., on them.