Don't drive for those few days. so you won't get caught. If you get stopped without a valid insurance card you will get a ticket and your license will be suspended, also your insurance rate will go up.
Good Luck
Walk over to Strawberry Field on 72 and CPW take a look at the Dakota (the building that John Lennon lived in) while there, then walk across the park past Bethesda Fountain and either head north to the Metropolitan Museum of Art or go south to the Central Park Zoo, after the zo or the museum...