Nick S. sends this in--a shot of the interior of his new Lexus, which has a GPS in the dashboard.
Oops! That should say "its" display settings. "Its" is a possessive. "It's" is a contraction that means either "it is" or "it has."
We remember this by thinking of his, hers and its towels (those are for drying the dog, which has been spayed or neutered to prevent unwanted puppies).