Niko has to whistle to hail a cab, it is L1 on the PS3. When the cab pulls up (sometimes further up the road), Niko will be prompted to get in by holding triangle. If you just tap triangle, he will jack the cab, so you need to hold the button down to get him in as a passenger.
If in a worship service, those I know sign "worship" or "praise" thee. If you really mean to hail - has in hail a cab, then you would sign "call".
Press and hold the top screen when you're near the cab/taxi
Hold the X button
Vaulting items are a good way to get upgrades. You cab get bonuses such as +6 energy, +2 stamina, and +5 defense by vaulting items.
mafia 2
You cab get the Humvee by doing the Break Into the Armory job under the Underboss tab.
Wait for mafia 3 :)
there is a demo for mafia 2 you can download it in steam
The best way to hail a taxi is to make visual contact with the driver of the cab. This can be accomplished by standing on the curb with one arm raised and slowly waving the arm. At the same time you will want to be looking directly at the potential cab driver to get his attention.
get mafia 3
mafia is more popular
No, there is no such as buying clothes in Mafia... You can only do it in Mafia 2