[Dusan01]

use this:

PHP код:

stock IsPlayerNearVehicle(playerid, vehicleid, Float:range)
{
    new Float:X, Float:Y, Float:Z;
    GetVehiclePos(vehicleid, X, Y, Z);
    if(IsPlayerInRangeOfPoint(playerid, range, X, Y, Z))return true;
    else return false;
} 


and use it like this in dialog:

PHP код:

IsPlayerNearVehicle(playerid, carid+PreVehicle, 5.0);