I think you have posted in the wrong forum. GTA VCS doesn't have a tape save icon, they have a black floppy disk. Grand Theft Auto: Vice City, the original Vice City, is the game that has the pink save icon. Plus, GTA VCS is not avaliable to play on PC or on the Mac, unless with imulators. GTA VCS can only be played on PS2 and PSP.
I am not trying to make anybody look stupid, but here are the instructions on how to save:
Enter your safehouse, and walk into the save icon (a black floppy disk for GTA VCS, a pink cassette for GTA VC). Make sure you are not doing a mission, you can't save during a mission, until you pass or fail it. Once you walk into the save icon, you will be shown a save menu with multiple slots. click on one of the slots to save the game. If the game asks you to confirm your decision, confirm it. Bingo, you have just saved your game.