1) Blew the car horn, slang 2) Called on a pager 3) Emitted a backup signal 4) Emulated a smoke detector 5) Honked 6) Paged 7) Paged, old-style 8) Reached someone on a pager 9) Signaled, like a satellite 10) Sounded like R2-D2 11) Tooted 12) Tooted the horn 13) Tried to contact 14) Tried to summon 15) Used an electronic pager 1) Paged 2) Tooted