Next time someone asks you for a lift....if you can't...a quick 'No Sir' will help the person left to walk half a mile realise that you are aware of his plight, but you can't oblige....maybe your're full.
Heck...if you go to the trouble of typing 'full', well 5 gold stars to you
Heck...if you go to the trouble of typing 'full', well 5 gold stars to you