[$Marco$]

pawn Код:

if((newkeys & KEY_FIRE) || (oldkeys & KEY_FIRE))
{
    if(PlayerInfo[playerid][Towing] == 1)
    {
        if(PlayerInfo[playerid][TowingCar] == 1)
        {
            // untow
            PlayerInfo[playerid][TowingCar] = 0;
        }
        else
        {
            // tow
            PlayerInfo[playerid][TowingCar] = 1;
        }
    }
}

Change it for your code to fit in.