GTA3...Save...How ?

[John1]

Hi,

Could someone tell me how to save in GTA3 ?

I cant progress very far with the game if i have to keep starting
back at the bridge by the burning wrecks.

I can go through the door,
and the door closes behind me.

At this point i can see that it is possible to save the game up to
that point, so long as you've done the last mission.

Fine.
So i have a 'Save' option before me.

Then what?
i have tried all of the buttons.
i have tried all of the buttons then switching off.

Do i have to get an extra part?

Do i just switch off without pressing any buttons?

I cant see any instructions anywhere ...

Cheers, John