I just want to add that gases are probably also a huge prohibiting factor to living in a cave. All of the second-hand cave emergencies I've ever heard of are due to poisonous air.
Agreed. Although having seat settings linked to individual fobs is nice. If you share a vehicle you don't have to mess around with all the settings every time. Moot point though.
Second, those of us in North and South America refer to ourselves as such. Canadians are North Americans, not Americans.
Third, Americans are usually referred to as Yankees or Yanks outside of America, much like the English are referred to as Poms and the Canadians referred to as Canucks.
Is this a stock image? There is so much going on here.