Originally Posted by yyznomad

Just use the call button like honking your car horn... Sparingly and as really needed under your specific context.

If you want to take a Tylenol for your headache and need a little water during some mild turbulence, that would be a good time to hit the button, for example.

One time I hit the call button because the guy across from me suddenly had a violently bleeding nose and was unable to hit the button himself.